Dell PowerVault MD3820i, PowerVault MD3400, PowerVault MD3800f, PowerVault MD3820f, PowerVault MD3860f User Manual [ko]

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Dell EMC PowerVault MD 34XX/38XX ์‹œ๋ฆฌ์ฆˆ
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด
๊ด€๋ฆฌ์ž ๊ฐ€์ด๋“œ
September 2018 ๊ฐœ์ • A06
์ฐธ๊ณ , ์ฃผ์˜ ๋ฐ ๊ฒฝ๊ณ 
๋…ธํŠธ: ์ฐธ๊ณ "๋Š” ์ œํ’ˆ์„ ๋ณด๋‹ค ํšจ์œจ์ ์œผ๋กœ ์‚ฌ์šฉํ•˜๋Š” ๋ฐ ๋„์›€์ด ๋˜๋Š” ์ค‘์š” ์ •๋ณด๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
์ฃผ์˜: ์ฃผ์˜์‚ฌํ•ญ์€ ํ•˜๋“œ์›จ์–ด์˜ ์†์ƒ ๋˜๋Š” ๋ฐ์ดํ„ฐ ์œ ์‹ค ์œ„ํ—˜์„ ์„ค๋ช…ํ•˜๋ฉฐ, ์ด๋Ÿฌํ•œ ๋ฌธ์ œ๋ฅผ ๋ฐฉ์ง€ํ•  ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ•์„ ์•Œ๋ ค์ค๋‹ˆ๋‹ค.
ยฉ 2012 - 2018Dell Inc. ๋˜๋Š” ๊ทธ ์žํšŒ์‚ฌ. ์ €์ž‘๊ถŒ ๋ณธ์‚ฌ ์†Œ์œ . Dell, EMC ๋ฐ ๊ธฐํƒ€ ์ƒํ‘œ๋Š” Dell Inc. ๋˜๋Š” ์žํšŒ์‚ฌ์˜ ์ƒํ‘œ์ž…๋‹ˆ๋‹ค. ๊ธฐํƒ€ ์ƒํ‘œ๋Š” ๊ฐ ์†Œ์œ ์ž์˜ ์ƒ ํ‘œ์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๋ชฉ์ฐจ
์žฅ 1: ์†Œ๊ฐœ.......................................................................................................................................12
Dell EMC PowerVault Modular Disk Storage Manager................................................................................................... 12
UI............................................................................................................................................................................................ 12
์—”ํ„ฐํ”„๋ผ์ด์ฆˆ ๊ด€๋ฆฌ ์ฐฝ........................................................................................................................................................ 13
์‹œ์Šคํ…œ ์„ค์ • ์ƒ์†...........................................................................................................................................................13
์–ด๋ ˆ์ด ๊ด€๋ฆฌ ์ฐฝ.....................................................................................................................................................................13
Dell EMC PowerVault ๋ชจ๋“ˆ์‹ ๋””์Šคํฌ ๊ตฌ์„ฑ ์œ ํ‹ธ๋ฆฌํ‹ฐ....................................................................................................14
๊ด€๋ จ ์„ค๋ช…์„œ.......................................................................................................................................................................... 14
์žฅ 2: MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด...............................................................................................16
๋ฌผ๋ฆฌ์  ๋””์Šคํฌ, ๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ ๋””์Šคํฌ ๊ทธ๋ฃน..................................................................................................................16
์‹ค์ œ ๋””์Šคํฌ.................................................................................................................................................................... 16
๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ƒํƒœ.......................................................................................................................................................16
๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ ๋””์Šคํฌ ๊ทธ๋ฃน........................................................................................................................................ 17
๊ฐ€์ƒ ๋””์Šคํฌ ์ƒํƒœ...........................................................................................................................................................17
๋””์Šคํฌ ํ’€.............................................................................................................................................................................. 18
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ.....................................................................................................................................................................18
RAID ๋ ˆ๋ฒจ..............................................................................................................................................................................18
์ตœ๋Œ€ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ง€์› ์ œํ•œ ์‚ฌํ•ญ.......................................................................................................................... 18
RAID ์ˆ˜์ค€ ์‚ฌ์šฉ.............................................................................................................................................................. 18
RAID 0..............................................................................................................................................................................19
RAID 1...............................................................................................................................................................................19
RAID 5..............................................................................................................................................................................19
RAID 6..............................................................................................................................................................................19
RAID 10............................................................................................................................................................................ 19
์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ......................................................................................................................................................................19
๊ฐ€์ƒ ๋””์Šคํฌ ์ž‘์—…................................................................................................................................................................20
๊ฐ€์ƒ ๋””์Šคํฌ ์ดˆ๊ธฐํ™”......................................................................................................................................................20
์ผ๊ด€์„ฑ ๊ฒ€์‚ฌ................................................................................................................................................................... 20
๋ฏธ๋””์–ด ๊ฒ€์ฆ................................................................................................................................................................... 20
์ฃผ๊ธฐ ์‹œ๊ฐ„........................................................................................................................................................................20
๊ฐ€์ƒ ๋””์Šคํฌ ์ž‘์—… ์ œํ•œ.................................................................................................................................................20
๋””์Šคํฌ ๊ทธ๋ฃน ์ž‘์—….................................................................................................................................................................21
RAID ๋ ˆ๋ฒจ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜..............................................................................................................................................21
์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜......................................................................................................................................21
๊ฐ€์ƒ ๋””์Šคํฌ ์šฉ๋Ÿ‰ ํ™•์žฅ................................................................................................................................................. 21
๋””์Šคํฌ ๊ทธ๋ฃน ํ™•์žฅ...........................................................................................................................................................21
๋””์Šคํฌ ๊ทธ๋ฃน ์กฐ๊ฐ ๋ชจ์Œ................................................................................................................................................. 21
๋””์Šคํฌ ๊ทธ๋ฃน ์ž‘์—… ์ œํ•œ................................................................................................................................................. 21
RAID ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์ž‘์—… ์šฐ์„  ์ˆœ์œ„.................................................................................................................................... 22
๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ๋ฐ ๋””์Šคํฌ ๋กœ๋ฐ...................................................................................................................22
๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜...................................................................................................................................................22
๋””์Šคํฌ ๋กœ๋ฐ................................................................................................................................................................... 23
ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘...................................................................................................................................23
๋ชฉ์ฐจ 3
ํ˜ธ์ŠคํŠธ ์œ ํ˜•................................................................................................................................................................... 23
๊ณ ๊ธ‰ ๊ธฐ๋Šฅ............................................................................................................................................................................. 24
์ง€์›๋˜๋Š” ์Šค๋ƒ…์ƒท ๊ธฐ๋Šฅ ์œ ํ˜•........................................................................................................................................ 24
๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ.......................................................................................................................................................... 24
๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต๊ตฌ..........................................................................................................................................................25
๋‹ค์ค‘ ๊ฒฝ๋กœ ์†Œํ”„ํŠธ์›จ์–ด....................................................................................................................................................... 25
๊ธฐ๋ณธ ๋ฐ ๋Œ€์ฒด ์ปจํŠธ๋กค๋Ÿฌ์™€ ๊ฒฝ๋กœ...................................................................................................................................25
๊ฐ€์ƒ ๋””์Šคํฌ ์†Œ์œ ๊ถŒ......................................................................................................................................................25
๋ถ€ํ•˜ ๋ถ„์‚ฐ............................................................................................................................................................................. 25
์‹œ์Šคํ…œ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง....................................................................................................................................................... 26
์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ฐ์ดํ„ฐ ํ•ด์„.............................................................................................................................................27
์‹ค์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”ฝ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ฐ์ดํ„ฐ ๋ณด๊ธฐ................................................................................................................. 28
์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋Œ€์‹œ๋ณด๋“œ ์‚ฌ์šฉ์ž ์ •์˜...........................................................................................................................29
์„ฑ๋Šฅ ์ง€ํ‘œ ์ง€์ •.............................................................................................................................................................. 29
์‹ค์‹œ๊ฐ„ ํ…์ŠคํŠธ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ณด๊ธฐ...............................................................................................................................30
์‹ค์‹œ๊ฐ„ ํ…์ŠคํŠธ ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ ์ €์žฅ...............................................................................................................................30
๋ฐฑ๊ทธ๋ผ์šด๋“œ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ์‹œ์ž‘ ๋ฐ ์ค‘์ง€...................................................................................................................... 31
ํ˜„์žฌ ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ์„ธ์…˜์— ๋Œ€ํ•œ ์ •๋ณด ๋ณด๊ธฐ.......................................................................................... 32
ํ˜„์žฌ ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ฐ์ดํ„ฐ ๋ณด๊ธฐ............................................................................................................. 32
ํ˜„์žฌ ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ฐ์ดํ„ฐ ์ €์žฅ............................................................................................................. 32
์ €์žฅ๋œ ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ฐ์ดํ„ฐ ๋ณด๊ธฐ.........................................................................................................32
์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ์˜ ์ž˜๋ชป๋œ ๊ฐœ์ฒด........................................................................................................................................ 33
์žฅ 3: ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๊ฒ€์ƒ‰ ๋ฐ ๊ด€๋ฆฌ................................................................................................... 34
๋Œ€์—ญ ์™ธ ๊ด€๋ฆฌ........................................................................................................................................................................ 34
๋Œ€์—ญ ๋‚ด ๊ด€๋ฆฌ........................................................................................................................................................................ 34
์•ก์„ธ์Šค ๊ฐ€์ƒ ๋””์Šคํฌ......................................................................................................................................................35
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด.................................................................................................................................................................35
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ž๋™ ๊ฒ€์ƒ‰........................................................................................................................................ 35
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ˆ˜๋™ ์ถ”๊ฐ€........................................................................................................................................ 35
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์„ค์ •....................................................................................................................................................... 36
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ฐพ๊ธฐ..................................................................................................................................................36
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ด๋ฆ„ ์ง€์ • ๋˜๋Š” ์ด๋ฆ„ ๋ฐ”๊พธ๊ธฐ........................................................................................................36
์•”ํ˜ธ ์„ค์ •........................................................................................................................................................................37
๊ธฐ์กด ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ์„ค๋ช… ์ถ”๊ฐ€ ๋˜๋Š” ํŽธ์ง‘........................................................................................................ 37
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ œ๊ฑฐ..................................................................................................................................................38
Premium ๊ธฐ๋Šฅ ํ™œ์„ฑํ™”...................................................................................................................................................38
ํŽ˜์ผ์˜ค๋ฒ„ ์•Œ๋ฆผ ํ‘œ์‹œ......................................................................................................................................................38
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์บ์‹œ ์„ค์ • ๋ณ€๊ฒฝ...........................................................................................................................38
ํ™•์žฅ ์—”ํด๋กœ์ € ID ๋ฒˆํ˜ธ ๋ณ€๊ฒฝ........................................................................................................................................39
์—”ํด๋กœ์ € ์ˆœ์„œ ๋ณ€๊ฒฝ......................................................................................................................................................39
์•Œ๋ฆผ ๊ตฌ์„ฑ............................................................................................................................................................................. 39
์ด๋ฉ”์ผ ์•Œ๋ฆผ ๊ตฌ์„ฑ..........................................................................................................................................................40
SNMP ์•Œ๋ฆผ ๊ตฌ์„ฑ............................................................................................................................................................41
๋ฐฐํ„ฐ๋ฆฌ ์„ค์ •......................................................................................................................................................................... 43
๋ฐฐํ„ฐ๋ฆฌ ์„ค์ • ๋ณ€๊ฒฝ.......................................................................................................................................................... 43
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ํด๋Ÿญ ์„ค์ •......................................................................................................... 43
์žฅ 4: iSCSI ์‚ฌ์šฉ.............................................................................................................................44
4 ๋ชฉ์ฐจ
iSCSI ํƒ€๊ฒŸ ์ธ์ฆ ๋ณ€๊ฒฝ..........................................................................................................................................................44
์ƒํ˜ธ ์ธ์ฆ ๊ถŒํ•œ ์ž…๋ ฅ...........................................................................................................................................................44
CHAP ์•”ํ˜ธ ์ƒ์„ฑ................................................................................................................................................................. 45
์ด๋‹ˆ์‹œ์—์ดํ„ฐ CHAP ์•”ํ˜ธ...........................................................................................................................................45
ํƒ€๊ฒŸ CHAP ์•”ํ˜ธ............................................................................................................................................................45
CHAP ์•”ํ˜ธ์— ์œ ํšจํ•œ ๋ฌธ์ž..........................................................................................................................................45
iSCSI ํƒ€๊ฒŸ ID ๋ณ€๊ฒฝ.............................................................................................................................................................. 45
iSCSI ํƒ€๊ฒŸ ๊ฒ€์ƒ‰ ์„ค์ • ๋ณ€๊ฒฝ................................................................................................................................................ 46
iSCSI ํ˜ธ์ŠคํŠธ ํฌํŠธ ๊ตฌ์„ฑ..................................................................................................................................................... 46
๊ณ ๊ธ‰ iSCSI ํ˜ธ์ŠคํŠธ ํฌํŠธ ์„ค์ •............................................................................................................................................ 47
iSCSI ์„ธ์…˜ ๋ณด๊ธฐ ๋˜๋Š” ์ข…๋ฃŒ................................................................................................................................................ 47
iSCSI ํ†ต๊ณ„ ๋ณด๊ธฐ ๋ฐ ๊ธฐ์ค€ ํ†ต๊ณ„ ์„ค์ •................................................................................................................................. 48
ํ˜ธ์ŠคํŠธ ํ† ํด๋กœ์ง€ ํŽธ์ง‘, ์ œ๊ฑฐ ๋˜๋Š” ์ด๋ฆ„ ๋ฐ”๊พธ๊ธฐ.............................................................................................................48
์žฅ 5: ์ด๋ฒคํŠธ ๋ชจ๋‹ˆํ„ฐ........................................................................................................................ 50
์ด๋ฒคํŠธ ๋ชจ๋‹ˆํ„ฐ ํ™œ์„ฑํ™” ๋˜๋Š” ๋น„ํ™œ์„ฑํ™”............................................................................................................................ 50
Windows......................................................................................................................................................................... 50
Linux................................................................................................................................................................................50
์žฅ 6: ํ˜ธ์ŠคํŠธ ์ •๋ณด............................................................................................................................51
ํ˜ธ์ŠคํŠธ ์•ก์„ธ์Šค ๊ตฌ์„ฑ............................................................................................................................................................ 51
ํ˜ธ์ŠคํŠธ ๋งคํ•‘ ํƒญ ์‚ฌ์šฉ........................................................................................................................................................... 51
ํ˜ธ์ŠคํŠธ ์ •์˜................................................................................................................................................................... 52
ํ˜ธ์ŠคํŠธ ์•ก์„ธ์Šค ์ œ๊ฑฐ............................................................................................................................................................52
ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน ๊ด€๋ฆฌ................................................................................................................................................................53
ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน ์ƒ์„ฑ................................................................................................................................................................53
ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน์— ํ˜ธ์ŠคํŠธ ์ถ”๊ฐ€........................................................................................................................................ 53
ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน์—์„œ ํ˜ธ์ŠคํŠธ ์ œ๊ฑฐ....................................................................................................................................53
๋‹ค๋ฅธ ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน์œผ๋กœ ํ˜ธ์ŠคํŠธ ์ด๋™...........................................................................................................................53
ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน ์ œ๊ฑฐ..........................................................................................................................................................54
ํ˜ธ์ŠคํŠธ ํ† ํด๋กœ์ง€...........................................................................................................................................................54
ํ˜ธ์ŠคํŠธ ์ปจํ…์ŠคํŠธ ์—์ด์ „ํŠธ ์‹œ์ž‘ ๋˜๋Š” ์ค‘์ง€.............................................................................................................54
I/O ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ ๋ณดํ˜ธ.........................................................................................................................................................55
ํ˜ธ์ŠคํŠธ ํฌํŠธ ์‹๋ณ„์ž ๊ด€๋ฆฌ.................................................................................................................................................. 55
์žฅ 7: ๋””์Šคํฌ ๊ทธ๋ฃน, ํ‘œ์ค€ ๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ ์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ......................................................................... 57
๋””์Šคํฌ ๊ทธ๋ฃน ๋ฐ ๊ฐ€์ƒ ๋””์Šคํฌ ์ƒ์„ฑ....................................................................................................................................57
๋””์Šคํฌ ๊ทธ๋ฃน ์ƒ์„ฑ..........................................................................................................................................................58
๋””์Šคํฌ ๊ทธ๋ฃน ์ฐพ๊ธฐ..........................................................................................................................................................58
ํ‘œ์ค€ ๊ฐ€์ƒ ๋””์Šคํฌ ์ƒ์„ฑ................................................................................................................................................ 59
๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์ˆ˜์ • ์šฐ์„  ์ˆœ์œ„ ๋ณ€๊ฒฝ......................................................................................................................... 60
๊ฐ€์ƒ ๋””์Šคํฌ ์บ์‹œ ์„ค์ • ๋ณ€๊ฒฝ.......................................................................................................................................60
๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ ๋ณ€๊ฒฝ........................................................................................................................... 61
I/O ์œ ํ˜• ๋ณ€๊ฒฝ................................................................................................................................................................ 62
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ....................................................................................................................................................................62
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์ด์ .................................................................................................................................................62
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์‹ค์ œ ๋ฐ ๊ฐ€์ƒ ์šฉ๋Ÿ‰ ๋น„๊ต............................................................................................................... 62
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ ์š”๊ตฌ ์‚ฌํ•ญ ๋ฐ ์ œํ•œ ์‚ฌํ•ญ................................................................................................................... 63
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ ํŠน์„ฑ.....................................................................................................................................................63
๋ชฉ์ฐจ 5
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ ์ƒํƒœ.....................................................................................................................................................64
๋น„๊ต - ๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ ๋ณต์‚ฌ ์„œ๋น„์Šค ์œ ํ˜•..................................................................................................................64
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋กค๋ฐฑ.................................................................................................................................................64
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ ์ดˆ๊ธฐํ™”.................................................................................................................................................64
ํ‘œ์ค€ ๊ฐ€์ƒ ๋””์Šคํฌ๋กœ ์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ ๋ณ€๊ฒฝ................................................................................................................ 67
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋งคํ•‘ ํ•ด์ œ ํ™œ์šฉ..............................................................................................................................67
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์”ฌ ํ”„๋กœ๋น„์ €๋‹ ๋งคํ•‘ ํ•ด์ œ ํ™œ์„ฑํ™”...............................................................................................67
์ ์ ˆํ•œ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์œ ํ˜• ์„ ํƒ.....................................................................................................................................67
์ž์ฒด ์•”ํ˜ธํ™” ๋””์Šคํฌ ๊ธฐ๋Šฅ์„ ์ด์šฉํ•œ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ๋ณด์•ˆ............................................................................................ 67
๋ณด์•ˆ ํ‚ค ์ƒ์„ฑ.................................................................................................................................................................. 69
๋ณด์•ˆ ํ‚ค ๋ณ€๊ฒฝ.................................................................................................................................................................. 70
๋ณด์•ˆ ํ‚ค ์ €์žฅ................................................................................................................................................................... 71
๋ณด์•ˆ ํ‚ค ๊ฒ€์ฆ................................................................................................................................................................... 71
๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ๋ณด์•ˆ ์ž ๊ธˆ ํ’€๊ธฐ....................................................................................................................................71
๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ๋ณด์•ˆ ์‚ญ์ œ............................................................................................................................................. 71
ํ•ซ ์ŠคํŽ˜์–ด ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ๊ตฌ์„ฑ......................................................................................................................................... 72
ํ•ซ ์ŠคํŽ˜์–ด ๋ฐ ์žฌ๊ตฌ์ถ•.....................................................................................................................................................73
์ „์—ญ ํ•ซ ์ŠคํŽ˜์–ด.............................................................................................................................................................. 73
ํ•ซ ์ŠคํŽ˜์–ด ์ž‘๋™.............................................................................................................................................................. 73
ํ•ซ ์ŠคํŽ˜์–ด ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ๋ณดํ˜ธ................................................................................................................................... 73
๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ๋ณด์•ˆ............................................................................................................................................................73
์ธํด๋กœ์ € ์†์‹ค ๋ฐฉ์ง€............................................................................................................................................................74
๋“œ๋กœ์–ด ์†์‹ค ๋ณดํ˜ธ................................................................................................................................................................75
ํ˜ธ์ŠคํŠธ-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘..................................................................................................................................................75
ํ˜ธ์ŠคํŠธ-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘ ์ƒ์„ฑ...................................................................................................................................76
ํ˜ธ์ŠคํŠธ-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘ ์ˆ˜์ • ๋ฐ ์ œ๊ฑฐ....................................................................................................................76
๊ฐ€์ƒ ๋””์Šคํฌ์˜ RAID ์ปจํŠธ๋กค๋Ÿฌ ์†Œ์œ ๊ถŒ ๋ณ€๊ฒฝ.............................................................................................................77
ํ˜ธ์ŠคํŠธ-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘ ์ œ๊ฑฐ...................................................................................................................................77
๋””์Šคํฌ ๊ทธ๋ฃน์˜ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ์†Œ์œ ๊ถŒ ๋ณ€๊ฒฝ....................................................................................................77
๋””์Šคํฌ ๊ทธ๋ฃน์˜ RAID ๋ ˆ๋ฒจ ๋ณ€๊ฒฝ...................................................................................................................................78
Linux DMMP๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ํ˜ธ์ŠคํŠธ-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘ ์ œ๊ฑฐ.....................................................................................78
์ œํ•œ๋œ ๋งคํ•‘......................................................................................................................................................................... 79
์Šคํ† ๋ฆฌ์ง€ ํŒŒํ‹ฐ์…”๋‹.............................................................................................................................................................80
๋””์Šคํฌ ๊ทธ๋ฃน ๋ฐ ๊ฐ€์ƒ ๋””์Šคํฌ ํ™•์žฅ.................................................................................................................................... 81
๋””์Šคํฌ ๊ทธ๋ฃน ํ™•์žฅ...........................................................................................................................................................81
๊ฐ€์ƒ ๋””์Šคํฌ ํ™•์žฅ...........................................................................................................................................................81
์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ์šฉ๋Ÿ‰ ์‚ฌ์šฉ.................................................................................................................................................82
๊ตฌ์„ฑ๋˜์ง€ ์•Š์€ ์šฉ๋Ÿ‰ ์‚ฌ์šฉ............................................................................................................................................ 82
๋””์Šคํฌ ๊ทธ๋ฃน ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜............................................................................................................................................... 82
๋””์Šคํฌ ๊ทธ๋ฃน ๋‚ด๋ณด๋‚ด๊ธฐ..................................................................................................................................................82
๋””์Šคํฌ ๊ทธ๋ฃน ๊ฐ€์ ธ์˜ค๊ธฐ..................................................................................................................................................83
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๋ฏธ๋””์–ด ๊ฒ€์ƒ‰..........................................................................................................................................83
๋ฏธ๋””์–ด ๊ฒ€์ƒ‰ ์„ค์ • ๋ณ€๊ฒฝ.................................................................................................................................................84
๋ฏธ๋””์–ด ๊ฒ€์ƒ‰ ์ผ์‹œ ์ค‘์ง€.................................................................................................................................................84
์žฅ 8: ๋””์Šคํฌ ํ’€ ๋ฐ ๋””์Šคํฌ ํ’€ ๊ฐ€์ƒ ๋””์Šคํฌ........................................................................................... 85
6 ๋ชฉ์ฐจ
๋””์Šคํฌ ๊ทธ๋ฃน๊ณผ ๋””์Šคํฌ ํ’€์˜ ์ฐจ์ด.....................................................................................................................................85
๋””์Šคํฌ ํ’€ ์ œํ•œ ์‚ฌํ•ญ...........................................................................................................................................................86
์ˆ˜๋™์œผ๋กœ ๋””์Šคํฌ ํ’€ ์ƒ์„ฑ.................................................................................................................................................. 86
๋””์Šคํฌ ํ’€์—์„œ ๊ตฌ์„ฑ๋˜์ง€ ์•Š์€ ์šฉ๋Ÿ‰ ์ž๋™์œผ๋กœ ๊ด€๋ฆฌ......................................................................................................87
๋””์Šคํฌ ํ’€์—์„œ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ฐพ๊ธฐ.................................................................................................................................87
๋””์Šคํฌ ํ’€ ์ด๋ฆ„ ๋ณ€๊ฒฝ...........................................................................................................................................................87
๋””์Šคํฌ ํ’€์˜ ์•Œ๋ฆผ ๊ตฌ์„ฑ...................................................................................................................................................... 88
ํ• ๋‹น ํ•ด์ œ๋œ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๋ฅผ ๋””์Šคํฌ ํ’€์— ์ถ”๊ฐ€......................................................................................................... 88
๋””์Šคํฌ ํ’€์˜ ๋ณด์กด ์šฉ๋Ÿ‰ ๊ตฌ์„ฑ.............................................................................................................................................89
๋””์Šคํฌ ํ’€์˜ ์ˆ˜์ • ์šฐ์„  ์ˆœ์œ„ ๋ณ€๊ฒฝ....................................................................................................................................89
๋””์Šคํฌ ํ’€์˜ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ์†Œ์œ ๊ถŒ ๋ณ€๊ฒฝ.............................................................................................................90
๋ฐ์ดํ„ฐ ์ผ๊ด€์„ฑ ๊ฒ€์‚ฌ............................................................................................................................................................90
๋””์Šคํฌ ํ’€ ์‚ญ์ œ.....................................................................................................................................................................91
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๋…ผ๋ฆฌ ๊ตฌ์„ฑ ์š”์†Œ ๋ฐ ์—ฐ๊ฒฐ๋œ ๋ฌผ๋ฆฌ ๊ตฌ์„ฑ ์š”์†Œ ๋ณด๊ธฐ.............................................................................91
๋ณด์•ˆ ๋””์Šคํฌ ํ’€.....................................................................................................................................................................91
๊ธฐ์กด ์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ์—์„œ ์šฉ๋Ÿ‰ ๋ณ€๊ฒฝ............................................................................................................................... 92
๋””์Šคํฌ ํ’€์—์„œ ์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ ์ƒ์„ฑ............................................................................................................................... 92
์žฅ 9: SSD ์บ์‹œ ์‚ฌ์šฉ....................................................................................................................... 94
SSD ์บ์‹œ ์ž‘๋™ ๋ฐฉ๋ฒ•........................................................................................................................................................... 94
SSD ์บ์‹œ์˜ ์ด์ .................................................................................................................................................................94
SSD ์บ์‹œ ๋งค๊ฐœ๋ณ€์ˆ˜ ์„ ํƒ...................................................................................................................................................94
SSD ์บ์‹œ ์ œํ•œ ์‚ฌํ•ญ........................................................................................................................................................... 95
SSD ์บ์‹œ ์ƒ์„ฑ.....................................................................................................................................................................95
SSD ์บ์‹œ์™€ ์—ฐ๊ฒฐ๋œ ๋ฌผ๋ฆฌ ๊ตฌ์„ฑ ์š”์†Œ ๋ณด๊ธฐ.......................................................................................................................95
SSD ์บ์‹œ์—์„œ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ฐพ๊ธฐ................................................................................................................................. 96
SSD ์บ์‹œ์— ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ถ”๊ฐ€..................................................................................................................................... 96
SSD ์บ์‹œ์—์„œ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ œ๊ฑฐ................................................................................................................................. 96
SSD ์บ์‹ฑ ์ผ์‹œ ์ค‘์ง€ ๋˜๋Š” ์žฌ๊ฐœ........................................................................................................................................ 96
SSD ์บ์‹œ์—์„œ I/O ์œ ํ˜• ๋ณ€๊ฒฝ............................................................................................................................................97
SSD ์บ์‹œ ์ด๋ฆ„ ๋ฐ”๊พธ๊ธฐ....................................................................................................................................................... 97
SSD ์บ์‹œ ์‚ญ์ œ.....................................................................................................................................................................97
์„ฑ๋Šฅ ๋ชจ๋ธ๋ง ํˆด ์‚ฌ์šฉ...........................................................................................................................................................97
์žฅ 10: Premium ๊ธฐ๋Šฅ - ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ.........................................................................................99
์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€ ๋ฐ ๊ทธ๋ฃน...................................................................................................................................................... 99
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ์ฝ๊ธฐ/์“ฐ๊ธฐ ์†์„ฑ.............................................................................................................................. 99
์Šค๋ƒ…์ƒท ๊ทธ๋ฃน ๋ฐ ์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน..................................................................................................................................100
์Šค๋ƒ…์ƒท ๊ทธ๋ฃน..................................................................................................................................................................100
์Šค๋ƒ…์ƒท ์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน...........................................................................................................................................100
์Šค๋ƒ…์ƒท ์ €์žฅ์†Œ ์ดํ•ด..........................................................................................................................................................100
์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์ €์žฅ์†Œ............................................................................................................................................101
์ €์žฅ์†Œ ํ›„๋ณด ๋“ฑ๊ธ‰ ๋งค๊ธฐ๊ธฐ............................................................................................................................................101
์›๊ฒฉ ๋ณต์ œ์— ์Šค๋ƒ…์ƒท ์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์‚ฌ์šฉ........................................................................................................... 101
์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€ ์ƒ์„ฑ...........................................................................................................................................................101
์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€ ์ƒ์„ฑ..................................................................................................................................................... 101
๋ณด๋ฅ˜ ์ค‘์ธ ์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€ ์ทจ์†Œ................................................................................................................................. 102
์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€ ์‚ญ์ œ.................................................................................................................................................... 102
์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€ ์Šค์ผ€์ค„ ์„ค์ •.............................................................................................................................................103
์Šค๋ƒ…์ƒท ์Šค์ผ€์ค„ ์ƒ์„ฑ.................................................................................................................................................... 103
์Šค๋ƒ…์ƒท ์Šค์ผ€์ค„ ํŽธ์ง‘.................................................................................................................................................... 104
์Šค๋ƒ…์ƒท ๋กค๋ฐฑ ์ˆ˜ํ–‰.............................................................................................................................................................. 104
์Šค๋ƒ…์ƒท ๋กค๋ฐฑ ์ œํ•œ ์‚ฌํ•ญ............................................................................................................................................... 104
๋ชฉ์ฐจ 7
์Šค๋ƒ…์ƒท ๋กค๋ฐฑ ์‹œ์ž‘........................................................................................................................................................ 105
์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€ ๋กค๋ฐฑ ์žฌ๊ฐœ...........................................................................................................................................105
์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€ ๋กค๋ฐฑ ์ทจ์†Œ...........................................................................................................................................106
์Šค๋ƒ…์ƒท ๋กค๋ฐฑ์˜ ์ง„ํ–‰๋ฅ  ๋ณด๊ธฐ.......................................................................................................................................106
์Šค๋ƒ…์ƒท ๋กค๋ฐฑ ์šฐ์„  ์ˆœ์œ„ ๋ณ€๊ฒฝ......................................................................................................................................106
์Šค๋ƒ…์ƒท ๊ทธ๋ฃน ์ƒ์„ฑ.............................................................................................................................................................. 107
์ผ๊ด€์„ฑ ๊ทธ๋ฃน ์ €์žฅ์†Œ ์ˆ˜๋™ ์ƒ์„ฑ..................................................................................................................................107
์Šค๋ƒ…์ƒท ๊ทธ๋ฃน ์„ค์ • ๋ณ€๊ฒฝ...............................................................................................................................................108
์Šค๋ƒ…์ƒท ๊ทธ๋ฃน ์ด๋ฆ„ ๋ฐ”๊พธ๊ธฐ...........................................................................................................................................109
์Šค๋ƒ…์ƒท ๊ทธ๋ฃน ์‚ญ์ œ........................................................................................................................................................ 109
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์ฝ๊ธฐ-์“ฐ๊ธฐ๋กœ ๋ณ€ํ™˜.....................................................................................................................109
๊ฐœ๋ณ„ ์ €์žฅ์†Œ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์—ฐ๊ฒฐ๋œ ๋ฌผ๋ฆฌ ๊ตฌ์„ฑ ์š”์†Œ ๋ณด๊ธฐ.......................................................................................... 110
์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์ƒ์„ฑ......................................................................................................................................................110
์ผ๊ด€์„ฑ ๊ทธ๋ฃน ์ €์žฅ์†Œ ์ˆ˜๋™ ์ƒ์„ฑ................................................................................................................................... 111
์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์ด๋ฆ„ ๋ฐ”๊พธ๊ธฐ.................................................................................................................................. 112
์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์‚ญ์ œ................................................................................................................................................112
์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน์˜ ์„ค์ • ๋ณ€๊ฒฝ.................................................................................................................................. 112
์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน์— ๋ฉค๋ฒ„ ๊ฐ€์ƒ ๋””์Šคํฌ ์ถ”๊ฐ€........................................................................................................... 113
์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน์—์„œ ๋ฉค๋ฒ„ ๊ฐ€์ƒ ๋””์Šคํฌ ์ œ๊ฑฐ....................................................................................................... 113
์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€์˜ ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ์ƒ์„ฑ.................................................................................................................. 114
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ์ œํ•œ ์‚ฌํ•ญ.................................................................................................................................. 114
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ์ƒ์„ฑ............................................................................................................................................114
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ์ €์žฅ์†Œ ์ƒ์„ฑ.............................................................................................................................. 115
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์„ค์ • ๋ณ€๊ฒฝ.............................................................................................................................. 116
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ๋˜๋Š” ์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ๋น„ํ™œ์„ฑํ™”.....................................................116
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ๋˜๋Š” ์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ์žฌ์ƒ์„ฑ......................................................... 117
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ๋˜๋Š” ์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ์ด๋ฆ„ ๋ฐ”๊พธ๊ธฐ................................................117
์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ์ƒ์„ฑ................................................................................................................. 118
์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ์ €์žฅ์†Œ ์ˆ˜๋™ ์ƒ์„ฑ.................................................................................... 119
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ๋˜๋Š” ์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ๋น„ํ™œ์„ฑํ™”.................................................... 120
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ๋˜๋Š” ์ •ํ•ฉ์„ฑ ๋ณด์žฅ ๊ทธ๋ฃน ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ์žฌ์ƒ์„ฑ......................................................... 121
์ „์ฒด ์ €์žฅ์†Œ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์ˆ˜์ • ์šฐ์„  ์ˆœ์œ„ ๋ณ€๊ฒฝ..................................................................................................121
์ „์ฒด ์ €์žฅ์†Œ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋ฏธ๋””์–ด ๊ฒ€์ƒ‰ ์„ค์ • ๋ณ€๊ฒฝ.............................................................................................122
์ „์ฒด ์ €์žฅ์†Œ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋ฏธ๋ฆฌ ์ฝ๊ธฐ ์ •ํ•ฉ์„ฑ ๊ฒ€์‚ฌ ์„ค์ • ๋ณ€๊ฒฝ.......................................................................... 122
์ „์ฒด ์ €์žฅ์†Œ์˜ ์šฉ๋Ÿ‰ ๋Š˜๋ฆฌ๊ธฐ.......................................................................................................................................123
์ „์ฒด ์ €์žฅ์†Œ์˜ ์šฉ๋Ÿ‰ ์ค„์ด๊ธฐ.......................................................................................................................................125
๋ณต๊ตฌ ์ž‘์—… ์ˆ˜ํ–‰.............................................................................................................................................................125
์žฅ 11: Premium ๊ธฐ๋Šฅ - ๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ........................................................................................... 127
8 ๋ชฉ์ฐจ
๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ ์œ ํ˜•.....................................................................................................................................................128
์˜คํ”„๋ผ์ธ ๋ณต์‚ฌ..............................................................................................................................................................128
์˜จ๋ผ์ธ ๋ณต์‚ฌ..................................................................................................................................................................128
MSCS ๊ณต์œ  ๋””์Šคํฌ์˜ ๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ ์ƒ์„ฑ............................................................................................................. 128
๊ฐ€์ƒ ๋””์Šคํฌ ์ฝ๊ธฐ/์“ฐ๊ธฐ ๊ถŒํ•œ...........................................................................................................................................128
๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ ์ œํ•œ ์‚ฌํ•ญ............................................................................................................................................129
๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ ์ƒ์„ฑ.....................................................................................................................................................129
ํƒ€๊ฒŸ ๊ฐ€์ƒ ๋””์Šคํฌ์—์„œ ์ฝ๊ธฐ/์“ฐ๊ธฐ ๊ถŒํ•œ ์„ค์ •......................................................................................................... 129
์‹œ์ž‘ํ•˜๊ธฐ ์ „์—..............................................................................................................................................................130
๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ ๋ฐ ์ˆ˜์ • ์ž‘์—…................................................................................................................................ 130
๋ณต์‚ฌ ์ƒ์„ฑ ๋งˆ๋ฒ•์‚ฌ........................................................................................................................................................ 130
๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ ์‹คํŒจ............................................................................................................................................... 130
๊ธฐ๋ณธ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ์†Œ์œ ๊ถŒ...................................................................................................................................130
์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•œ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ.............................................................................................................................. 130
๋ณต์‚ฌ ๊ด€๋ฆฌ์ž.........................................................................................................................................................................131
๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ............................................................................................................................................................... 131
๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ ์ค‘ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์„ฑ๋Šฅ................................................................................................................. 131
๋ณต์‚ฌ ์šฐ์„  ์ˆœ์œ„ ์„ค์ •......................................................................................................................................................... 132
๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ ์ค‘์ง€.....................................................................................................................................................132
๊ฐ€์ƒ ๋””์Šคํฌ ์žฌ๋ณต์‚ฌ.......................................................................................................................................................... 132
๊ฐ€์ƒ ๋””์Šคํฌ ์žฌ๋ณต์‚ฌ๋ฅผ ์œ„ํ•œ ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„ ์ค€๋น„...................................................................................................... 132
๊ฐ€์ƒ ๋””์Šคํฌ ์žฌ๋ณต์‚ฌ.................................................................................................................................................... 133
๋ณต์‚ฌ ์Œ ์ œ๊ฑฐ.......................................................................................................................................................................133
์žฅ 12: Linux์šฉ ๋””๋ฐ”์ด์Šค ๋งคํผ ๋‹ค์ค‘ ๊ฒฝ๋กœ............................................................................................135
๊ฐœ์š”..................................................................................................................................................................................... 135
DMMP(Device Mapper Multipathing) ์žฅ์น˜ ์‚ฌ์šฉ..........................................................................................................135
ํ•„์ˆ˜ ๊ตฌ์„ฑ ์š”์†Œ.............................................................................................................................................................135
๋””๋ฐ”์ด์Šค ๋งคํผ ๊ตฌ์„ฑ ๋‹จ๊ณ„.................................................................................................................................................136
์ƒˆ๋กœ ์ถ”๊ฐ€๋œ ๊ฐ€์ƒ ๋””์Šคํฌ ๊ฒ€์ƒ‰..................................................................................................................................136
๋‹ค์ค‘ ๊ฒฝ๋กœ ๋ช…๋ น์„ ์‚ฌ์šฉํ•˜์—ฌ ๋‹ค์ค‘ ๊ฒฝ๋กœ ๋””๋ฐ”์ด์Šค ํ† ํด๋กœ์ง€ ํ‘œ์‹œ.......................................................................136
๋‹ค์ค‘ ๊ฒฝ๋กœ ๋””๋ฐ”์ด์Šค ๋…ธ๋“œ์— fdisk ํŒŒํ‹ฐ์…˜ ์ƒ์„ฑ.......................................................................................................137
๋””๋ฐ”์ด์Šค ๋งคํผ์— ์ƒˆ ํŒŒํ‹ฐ์…˜ ์ถ”๊ฐ€..............................................................................................................................137
๋””๋ฐ”์ด์Šค ๋งคํผ ํŒŒํ‹ฐ์…˜์— ํŒŒ์ผ ์‹œ์Šคํ…œ ์ƒ์„ฑ............................................................................................................138
๋””๋ฐ”์ด์Šค ๋งคํผ ํŒŒํ‹ฐ์…˜ ๋งˆ์šดํŠธ...................................................................................................................................138
์‚ฌ์šฉ ์ค€๋น„...................................................................................................................................................................... 138
Linux ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„ ์žฌ๋ถ€ํŒ… Best Practice....................................................................................................................... 138
ํŠน์ˆ˜ ํŒŒํ‹ฐ์…˜์— ๊ด€ํ•œ ์ค‘์š” ์ •๋ณด....................................................................................................................................... 138
์ œํ•œ ์‚ฌํ•ญ ๋ฐ ์•Œ๋ ค์ง„ ๋ฌธ์ œ................................................................................................................................................139
๋ฌธ์ œ ํ•ด๊ฒฐ............................................................................................................................................................................139
์žฅ 13: ๋น„๋Œ€์นญ ๋…ผ๋ฆฌ ์žฅ์น˜ ์•ก์„ธ์Šค ๊ตฌ์„ฑ................................................................................................. 141
ALUA ์„ฑ๋Šฅ ๊ณ ๋ ค ์‚ฌํ•ญ........................................................................................................................................................ 141
์†Œ์œ ๊ถŒ ์ž๋™ ๋ณ€๊ฒฝ............................................................................................................................................................... 141
Microsoft Windows ๋ฐ Linux์—์„œ์˜ ๊ธฐ๋ณธ ALUA ์ง€์›.................................................................................................. 141
VMware ESXi์—์„œ ALUA ํ™œ์„ฑํ™”..................................................................................................................................... 141
ESXi 5.x์—์„œ SATP ๊ทœ์น™ ์ˆ˜๋™์œผ๋กœ ์ถ”๊ฐ€.................................................................................................................. 141
VMware ESXi์—์„œ ALUA ํ™•์ธ.........................................................................................................................................142
ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„๊ฐ€ MD ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ALUA๋ฅผ ์‚ฌ์šฉ ์ค‘์ธ์ง€ ํ™•์ธ.........................................................................142
ESXi ๊ธฐ๋ฐ˜ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ๋ผ์šด๋“œ ๋กœ๋นˆ ๋กœ๋“œ ๋ฐธ๋Ÿฐ์‹ฑ ์ •์ฑ… ์„ค์ •........................................................................142
์žฅ 14: Premium ๊ธฐ๋Šฅ - ์›๊ฒฉ ๋ณต์ œ.....................................................................................................143
๋น„๋™๊ธฐ์‹ ์›๊ฒฉ ๋ณต์ œ ์ •๋ณด.................................................................................................................................................143
๋ณต์ œ๋œ ์›๊ฒฉ ์Œ ๋ฐ ๋ณต์ œ ์ €์žฅ์†Œ...................................................................................................................................... 143
์›๊ฒฉ ๋ณต์ œ ์œ ํ˜•...................................................................................................................................................................143
์›๊ฒฉ ๋ณต์ œ ๊ธฐ๋Šฅ ๊ฐ„ ์ฐจ์ด.............................................................................................................................................. 144
์›๊ฒฉ ๋ณต์ œ(๊ธฐ์กด)์—์„œ ๋น„๋™๊ธฐ์‹ ์›๊ฒฉ ๋ณต์ œ๋กœ ์—…๊ทธ๋ ˆ์ด๋“œ....................................................................................144
์›๊ฒฉ ๋ณต์ œ ์š”๊ตฌ ์‚ฌํ•ญ ๋ฐ ์ œํ•œ ์‚ฌํ•ญ................................................................................................................................. 144
์›๊ฒฉ ๋ณต์ œ ์‚ฌ์šฉ์— ๋Œ€ํ•œ ์ œํ•œ ์‚ฌํ•ญ............................................................................................................................ 144
์›๊ฒฉ ๋ณต์ œ ์„ค์ •.................................................................................................................................................................. 145
๋ชฉ์ฐจ 9
์›๊ฒฉ ๋ณต์ œ Premium ๊ธฐ๋Šฅ ํ™œ์„ฑํ™”.................................................................................................................................... 145
์›๊ฒฉ ๋ณต์ œ ๋น„ํ™œ์„ฑํ™”.......................................................................................................................................................... 145
์›๊ฒฉ ๋ณต์ œ ๊ทธ๋ฃน...................................................................................................................................................................146
์›๊ฒฉ ๋ณต์ œ ๊ทธ๋ฃน์˜ ๋ชฉ์ ............................................................................................................................................... 146
์›๊ฒฉ ๋ณต์ œ ๊ทธ๋ฃน ์š”๊ตฌ ์‚ฌํ•ญ ๋ฐ ๊ฐ€์ด๋“œ๋ผ์ธ...............................................................................................................146
์›๊ฒฉ ๋ณต์ œ ๊ทธ๋ฃน ์ƒ์„ฑ................................................................................................................................................... 146
๋ณต์ œ๋œ ์Œ............................................................................................................................................................................146
๋ณต์ œ๋œ ์Œ์—์„œ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์„ ํƒํ•˜๊ธฐ ์œ„ํ•œ ๊ฐ€์ด๋“œ๋ผ์ธ..................................................................................147
๋ณต์ œ๋œ ์Œ์—์„œ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์„ ํƒํ•˜๊ธฐ ์œ„ํ•œ ๊ฐ€์ด๋“œ๋ผ์ธ..................................................................................147
๋ณต์ œ๋œ ์Œ ์ƒ์„ฑ.............................................................................................................................................................147
์›๊ฒฉ ๋ณต์ œ ๊ทธ๋ฃน์—์„œ ๋ณต์ œ๋œ ์Œ ์ œ๊ฑฐ........................................................................................................................ 148
์žฅ 15: ๊ด€๋ฆฌ ํŽŒ์›จ์–ด ๋‹ค์šด๋กœ๋“œ........................................................................................................... 149
RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ฐ NVSRAM ํŒจํ‚ค์ง€ ๋‹ค์šด๋กœ๋“œ.............................................................................................................149
RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ฐ NVSRAM ํŽŒ์›จ์–ด ๋ชจ๋‘ ๋‹ค์šด๋กœ๋“œ................................................................................................... 149
NVSRAM ํŽŒ์›จ์–ด๋งŒ ๋‹ค์šด๋กœ๋“œ..........................................................................................................................................151
๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ํŽŒ์›จ์–ด ๋‹ค์šด๋กœ๋“œ.................................................................................................................................... 152
MD3060e ์‹œ๋ฆฌ์ฆˆ ํ™•์žฅ ๋ชจ๋“ˆ EMM ํŽŒ์›จ์–ด ๋‹ค์šด๋กœ๋“œ..................................................................................................152
์ž๊ฐ€ ๋ชจ๋‹ˆํ„ฐ๋ง ๋ถ„์„ ๋ฐ ๋ณด๊ณ  ๊ธฐ์ˆ (Self-Monitoring Analysis and Reporting Technology; SMART)......................153
๋ฏธ๋””์–ด ์˜ค๋ฅ˜ ๋ฐ ํŒ๋… ๋ถˆ๊ฐ€๋Šฅํ•œ ์„นํ„ฐ..............................................................................................................................153
์žฅ 16: ํŽŒ์›จ์–ด ์ธ๋ฒคํ† ๋ฆฌ.................................................................................................................. 154
ํŽŒ์›จ์–ด ์ธ๋ฒคํ† ๋ฆฌ ๋ณด๊ธฐ......................................................................................................................................................154
์žฅ 17: ์‹œ์Šคํ…œ ์ธํ„ฐํŽ˜์ด์Šค............................................................................................................... 155
๊ฐ€์ƒ ๋””์Šคํฌ ์„œ๋น„์Šค..........................................................................................................................................................155
๋ณผ๋ฅจ ์„€๋„ ๋ณต์‚ฌ๋ณธ ์„œ๋น„์Šค.................................................................................................................................................155
์žฅ 18: ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์†Œํ”„ํŠธ์›จ์–ด.................................................................................................. 157
์‹œ์ž‘ ๋ฃจํ‹ด............................................................................................................................................................................ 157
๋””๋ฐ”์ด์Šค ์ƒํƒœ ์กฐ๊ฑด.......................................................................................................................................................... 157
์ถ”์  ๋ฒ„ํผ............................................................................................................................................................................159
์ถ”์  ๋ฒ„ํผ ๊ฒ€์ƒ‰.............................................................................................................................................................160
๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ๋ฐ์ดํ„ฐ ์ทจํ•ฉ............................................................................................................................................ 160
์ง€์› ๋ฐ์ดํ„ฐ ์ทจํ•ฉ ์Šค์ผ€์ค„ ์ƒ์„ฑ................................................................................................................................. 160
์ง€์› ๋ฐ์ดํ„ฐ ์ทจํ•ฉ ์ผ์ • ์ผ์‹œ ์ค‘์ง€ ๋˜๋Š” ์žฌ๊ฐœ.......................................................................................................... 161
์ง€์› ๋ฐ์ดํ„ฐ ์ทจํ•ฉ ์Šค์ผ€์ค„ ์ œ๊ฑฐ.................................................................................................................................. 161
์ด๋ฒคํŠธ ๋กœ๊ทธ.........................................................................................................................................................................161
์ด๋ฒคํŠธ ๋กœ๊ทธ ๋ณด๊ธฐ.........................................................................................................................................................162
๋ณต๊ตฌ ์•ˆ๋‚ด............................................................................................................................................................................162
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ํ”„๋กœํŒŒ์ผ..............................................................................................................................................162
์‹ค์ œ ์—ฐ๊ฒฐ ๋ณด๊ธฐ...................................................................................................................................................................163
์‘๋‹ตํ•˜์ง€ ์•Š๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ƒํƒœ์—์„œ ๋ณต๊ตฌ......................................................................................................... 163
๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ฐพ๊ธฐ.......................................................................................................................................................... 164
ํ™•์žฅ ์—”ํด๋กœ์ € ์ฐพ๊ธฐ.......................................................................................................................................................... 164
์ƒํƒœ ์ •๋ณด ์บก์ฒ˜.................................................................................................................................................................. 165
SMrepassist ์œ ํ‹ธ๋ฆฌํ‹ฐ...................................................................................................................................................... 165
์‹๋ณ„๋˜์ง€ ์•Š์€ ๋””๋ฐ”์ด์Šค..................................................................................................................................................166
์‹๋ณ„๋˜์ง€ ์•Š์€ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๋ณต๊ตฌ...........................................................................................................................166
10 ๋ชฉ์ฐจ
ํ˜ธ์ŠคํŠธ ์ปจํ…์ŠคํŠธ ์—์ด์ „ํŠธ ์†Œํ”„ํŠธ์›จ์–ด ์‹œ์ž‘ ๋˜๋Š” ๋‹ค์‹œ ์žฌ์‹œ์ž‘.............................................................................. 167
Windows์—์„œ SMagent ์†Œํ”„ํŠธ์›จ์–ด ์‹œ์ž‘............................................................................................................... 167
Linux์—์„œ SMagent ์†Œํ”„ํŠธ์›จ์–ด ์‹œ์ž‘...................................................................................................................... 167
์žฅ 19: ๋„์›€๋ง ๋ณด๊ธฐ.........................................................................................................................168
Dell EMC์— ๋ฌธ์˜ํ•˜๊ธฐ........................................................................................................................................................168
๋ชฉ์ฐจ 11
์ฃผ์˜: ๋ณธ ์•ˆ๋‚ด์„œ์— ์„ค๋ช…๋œ ์ ˆ์ฐจ๋ฅผ ์ˆ˜ํ–‰ํ•˜๊ธฐ ์ „์— ์ค‘์š”ํ•œ ์•ˆ์ „ ์ •๋ณด์— ๋Œ€ํ•ด์„œ๋Š” ์•ˆ์ „์„ฑ, ํ™˜๊ฒฝ, ๊ทœ์ œ ์ •๋ณด ๋ฌธ์„œ๋ฅผ ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.
๋‹ค์Œ๊ณผ ๊ฐ™์€ MD Series ์‹œ์Šคํ…œ์€ ์ตœ์‹  ๋ฒ„์ „์˜ Dell PowerVault Modular Disk Manager(MDSM)์—์„œ ์ง€์›๋ฉ๋‹ˆ๋‹ค.
โ€ข 2U MD Series ์‹œ์Šคํ…œ:
โ—‹ Dell PowerVault MD 3400/3420 โ—‹ Dell PowerVault MD 3800i/3820i โ—‹ Dell PowerVault MD 3800f/3820f
โ€ข 4U(Dense) MD Series ์‹œ์Šคํ…œ:
โ—‹ Dell PowerVault MD 3460 โ—‹ Dell PowerVault MD 3860i โ—‹ Dell PowerVault MD 3860f
๋…ธํŠธ: Additional Physical Disk Support Premium Feature Key(์ถ”๊ฐ€ ๋ฌผ๋ฆฌ ๋””์Šคํฌ ์ง€์› ํ”„๋ฆฌ๋ฏธ์—„ ๊ธฐ๋Šฅ ํ‚ค)๋ฅผ ์„ค์น˜ํ•œ ํ›„, Dell
MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋Š” 2U ์–ด๋ ˆ์ด์™€ 4U(Dense)์— ๋Œ€ํ•ด ๊ฐ๊ฐ ์ตœ๋Œ€ 192 ๋“œ๋ผ์ด๋ธŒ ๋ฐ 180 ๋“œ๋ผ์ด๋ธŒ๋ฅผ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค.
์ฃผ์ œ:
โ€ข Dell EMC PowerVault Modular Disk Storage Manager
โ€ข UI
โ€ข ์—”ํ„ฐํ”„๋ผ์ด์ฆˆ ๊ด€๋ฆฌ ์ฐฝ
โ€ข ์–ด๋ ˆ์ด ๊ด€๋ฆฌ ์ฐฝ
โ€ข Dell EMC PowerVault ๋ชจ๋“ˆ์‹ ๋””์Šคํฌ ๊ตฌ์„ฑ ์œ ํ‹ธ๋ฆฌํ‹ฐ
โ€ข ๊ด€๋ จ ์„ค๋ช…์„œ
1
์†Œ๊ฐœ

Dell EMC PowerVault Modular Disk Storage Manager

Dell EMC PowerVault MD(Modular Disk) Storage Manager๋Š” ํ•˜๋‚˜ ์ด์ƒ์˜ MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ๊ตฌ์„ฑํ•˜๊ณ  ๊ด€๋ฆฌํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋˜ ๋Š” GUI(๊ทธ๋ž˜ํ”ฝ UI) ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์ž…๋‹ˆ๋‹ค. MD Storage Manager ์†Œํ”„ํŠธ์›จ์–ด๋Š” MD ์‹œ๋ฆฌ์ฆˆ ๋ฆฌ์†Œ์Šค DVD์— ์žˆ์Šต๋‹ˆ๋‹ค.
MD Storage Manager ์„ค์น˜์— ๋Œ€ํ•œ ์ž์„ธํ•œ ๋‚ด์šฉ์€ Dell.com/support/manuals์˜ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๋ฐฐํฌ ์•ˆ๋‚ด์„œ๋ฅผ ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.
UI
์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž ํ™”๋ฉด์€ 2๊ฐœ์˜ ์ฃผ์š” ์ฐฝ์œผ๋กœ ๋‚˜๋‰ฉ๋‹ˆ๋‹ค.
โ€ข EMW(์—”ํ„ฐํ”„๋ผ์ด์ฆˆ ๊ด€๋ฆฌ ์ฐฝ) - EMW๋Š” ์—ฌ๋Ÿฌ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ์œ„ํ•œ ์ˆ˜์ค€ ๋†’์€ ๊ด€๋ฆฌ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. EMW์—์„œ ์Šคํ† ๋ฆฌ์ง€ ์–ด ๋ ˆ์ด์˜ AMW(์–ด๋ ˆ์ด ๊ด€๋ฆฌ ์ฐฝ)์„ ์‹œ์ž‘ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข Array Management Window(๋ฐฐ์—ด ๊ด€๋ฆฌ ์ฐฝ) (AMW) โ€” AMW๋Š” ๋‹จ์ผ ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์— ๋Œ€ํ•œ ๊ด€๋ฆฌ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
EMW์™€ AMW๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์ด ๊ตฌ์„ฑ๋ฉ๋‹ˆ๋‹ค.
โ€ข ์ฐฝ์˜ ์ƒ๋‹จ์— ์žˆ๋Š” ์ œ๋ชฉ ํ‘œ์‹œ์ค„ โ€” ์‘์šฉํ”„๋กœ๊ทธ๋žจ์˜ ์ด๋ฆ„์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
โ€ข ์ œ๋ชฉ ํ‘œ์‹œ์ค„ ์•„๋ž˜์— ์žˆ๋Š” ๋ฉ”๋‰ด ํ‘œ์‹œ์ค„ โ€” ์ œ๋ชฉ ํ‘œ์‹œ์ค„์—์„œ ๋ฉ”๋‰ด ์˜ต์…˜์„ ์„ ํƒํ•˜๋ฉด ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์— ๋Œ€ํ•œ ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ ๋‹ค.
โ€ข ๋ฉ”๋‰ด ํ‘œ์‹œ์ค„ ์•„๋ž˜์˜ ํˆด๋ฐ” - ํˆด๋ฐ”์—์„œ ์˜ต์…˜์„ ์„ ํƒํ•˜์—ฌ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๋…ธํŠธ: ์ด ๋„๊ตฌ ๋ชจ์Œ์€ EMW์—๋งŒ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ํˆด๋ฐ” ์•„๋ž˜์˜ ํƒญ - ํƒญ์€ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ์ˆ˜ํ–‰ํ•  ์ˆ˜ ์žˆ๋Š” ์ž‘์—…์„ ๊ทธ๋ฃนํ™”ํ•˜๋Š”๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.
โ€ข ํƒญ ์•„๋ž˜์˜ ์ƒํƒœ ํ‘œ์‹œ์ค„ - ์ƒํƒœ ํ‘œ์‹œ์ค„์€ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์™€ ๊ด€๋ จ๋œ ์ƒํƒœ ๋ฉ”์‹œ์ง€์™€ ์ƒํƒœ ์•„์ด์ฝ˜์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
12 ์†Œ๊ฐœ
๋…ธํŠธ: ๊ธฐ๋ณธ์ ์œผ๋กœ ๋„๊ตฌ ๋ชจ์Œ ๋ฐ ์ƒํƒœ ํ‘œ์‹œ์ค„์€ ํ‘œ์‹œ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ๋„๊ตฌ ๋ชจ์Œ ๋˜๋Š” ์ƒํƒœ ํ‘œ์‹œ์ค„์„ ๋ณด๋ ค๋ฉด View(๋ณด๊ธฐ) >
Toolbar(๋„๊ตฌ ๋ชจ์Œ) ๋˜๋Š” View(๋ณด๊ธฐ) > Status Bar(์ƒํƒœ ํ‘œ์‹œ์ค„)๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.

์—”ํ„ฐํ”„๋ผ์ด์ฆˆ ๊ด€๋ฆฌ ์ฐฝ

EMW๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ์œ„ํ•œ ์ˆ˜์ค€ ๋†’์€ ๊ด€๋ฆฌ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. MD ์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž๋ฅผ ์‹œ์ž‘ํ•˜๋ฉด EMW๊ฐ€ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค. EMW์— ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์€ ํƒญ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข Devices(์žฅ์น˜) ํƒญ โ€” ๊ฒ€์ƒ‰๋œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ๊ด€ํ•œ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
โ€ข Setup(์„ค์ •) ํƒญ โ€” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ์ถ”๊ฐ€ํ•˜๊ณ  ๊ฒฝ๊ณ ๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” ๊ณผ์ •์„ ์•ˆ๋‚ดํ•˜๋Š” ์ดˆ๊ธฐ ์„ค์ • ์ž‘์—…์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
Devices(์žฅ์น˜) ํƒญ์— ์™ผ์ชฝ์—๋Š” ๊ฒ€์ƒ‰๋œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด, ์‹๋ณ„๋˜์ง€ ์•Š์€ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด, ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์ƒํƒœ ์กฐ๊ฑด์„ ๋ณด์—ฌ์ฃผ๋Š” Tree(ํŠธ๋ฆฌ) ๋ทฐ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฒ€์ƒ‰๋œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋Š” MD ์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž์—์„œ ๊ด€๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ์‹๋ณ„๋˜์ง€ ์•Š์€ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋Š” MD
์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž์—์„œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์ง€๋งŒ ๊ด€๋ฆฌ์šฉ์œผ๋กœ ๊ตฌ์„ฑ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. Devices(์žฅ์น˜) ํƒญ ์˜ค๋ฅธ์ชฝ์—๋Š” ์„ ํƒํ•œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์ž ์„ธํ•œ ์ •๋ณด๋ฅผ ๋ณด์—ฌ์ฃผ๋Š” Table(ํ‘œ) ๋ทฐ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
EMW์—์„œ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ๋กœ์ปฌ ์„œ๋ธŒ๋„คํŠธ์›Œํฌ์—์„œ ํ˜ธ์ŠคํŠธ ๋ฐ ๊ด€๋ฆฌํ˜• ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ๊ฒ€์ƒ‰ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ํ˜ธ์ŠคํŠธ์™€ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ์ˆ˜๋™์œผ๋กœ ์ถ”๊ฐ€ํ•˜๊ณ  ์ œ๊ฑฐํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ํ‘œ์‹œ๋“ฑ์„ ๊นœ๋ฐ•์ด๊ฑฐ๋‚˜ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ๊ฒ€์ƒ‰ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ๊ฒ€์ƒ‰๋œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์ด๋ฆ„์„ ์ง€์ •ํ•˜๊ฑฐ๋‚˜ ์ด๋ฆ„์„ ๋ณ€๊ฒฝํ•ฉ๋‹ˆ๋‹ค.
โ€ข Table(ํ‘œ) ๋ทฐ์—์„œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์„ค๋ช…์„ ์ถ”๊ฐ€ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ํด๋ผ์ด์–ธํŠธ ๋ชจ๋‹ˆํ„ฐ ํ”„๋กœ์„ธ์Šค์—์„œ ์ด๋ฒคํŠธ๋ฅผ ๊ฐ์ง€ํ•  ๋•Œ ์ง€์› ๋ฐ์ดํ„ฐ ์‚ฌ๋ณธ์„ ์ž๋™์œผ๋กœ ์ €์žฅํ•˜๊ฑฐ๋‚˜ ์ €์žฅ๋˜๋„๋ก ์˜ˆ์•ฝํ•ฉ๋‹ˆ๋‹ค.
โ€ข EMW ๋ทฐ ๊ธฐ๋ณธ์„ค์ • ๋ฐ ๊ตฌ์„ฑ ๋ฐ์ดํ„ฐ๋ฅผ ๋กœ์ปฌ ๊ตฌ์„ฑ ํŒŒ์ผ์— ์ €์žฅํ•ฉ๋‹ˆ๋‹ค. ๋‹ค์Œ์— EMW๋ฅผ ์—ด๋ฉด, ๋กœ์ปฌ ๊ตฌ์„ฑ ํŒŒ์ผ์˜ ๋ฐ์ดํ„ฐ๊ฐ€ ์‚ฌ์šฉ๋˜์–ด ์‚ฌ ์šฉ์ž ์ง€์ •๋œ ๋ทฐ ๋ฐ ๊ธฐ๋ณธ์„ค์ •์ด ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.
โ€ข ๊ด€๋ฆฌํ˜• ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์ƒํƒœ๋ฅผ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜๊ณ  ์ ์ ˆํ•œ ์•„์ด์ฝ˜์„ ์‚ฌ์šฉํ•˜์—ฌ ์ƒํƒœ๋ฅผ ํ‘œ์‹œํ•ฉ๋‹ˆ๋‹ค.
โ€ข ๊ด€๋ฆฌ ์—ฐ๊ฒฐ์„ ์ถ”๊ฐ€ํ•˜๊ฑฐ๋‚˜ ์ œ๊ฑฐํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์ „์ž ์šฐํŽธ ๋˜๋Š” SNMP ํŠธ๋žฉ์„ ํ†ตํ•ด ์„ ํƒ๋œ ๋ชจ๋“  ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ๋Œ€ํ•œ ๊ฒฝ๊ณ  ์•Œ๋ฆผ์„ ๊ตฌ์„ฑํ•ฉ๋‹ˆ๋‹ค.
โ€ข ๊ตฌ์„ฑ๋œ ๊ฒฝ๊ณ  ๋ชฉ์ ์ง€์— ์œ„ํ—˜ ์ด๋ฒคํŠธ๋ฅผ ๋ณด๊ณ ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์„ ํƒํ•œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ AMW๋ฅผ ์‹œ์ž‘ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ํŠน์ • ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์‹คํ–‰ํ•˜์—ฌ ์ผ๊ด„ ๊ด€๋ฆฌ ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.
โ€ข MD ์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž์— ์šด์˜ ์ฒด์ œ ํ…Œ๋งˆ ์„ค์ •์„ ๊ฐ€์ ธ์˜ต๋‹ˆ๋‹ค.
โ€ข ์—ฌ๋Ÿฌ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ํŽŒ์›จ์–ด๋ฅผ ๋™์‹œ์— ์—…๊ทธ๋ ˆ์ด๋“œํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ, ๋ฌผ๋ฆฌ ๋””์Šคํฌ, ์ธํด๋กœ์ € ๊ด€๋ฆฌ ๋ชจ๋“ˆ(EMM)์˜ ๋ฒ„์ „์„ ํฌํ•จํ•˜์—ฌ ํŽŒ์›จ์–ด ์ธ๋ฒคํ† ๋ฆฌ์— ๊ด€ํ•œ ์ •๋ณด๋ฅผ ํ™•๋ณดํ•ฉ๋‹ˆ๋‹ค.

์‹œ์Šคํ…œ ์„ค์ • ์ƒ์†

Inherit System Settings(์‹œ์Šคํ…œ ์„ค์ • ์ƒ์†) ์˜ต์…˜์„ ์‚ฌ์šฉํ•˜์—ฌ MD ์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž์— ์šด์˜ ์ฒด์ œ ํ…Œ๋งˆ ์„ค์ •์„ ๊ฐ€์ ธ์˜ต๋‹ˆ๋‹ค. ์‹œ์Šคํ…œ ํ…Œ
๋งˆ ์„ค์ •์„ ๊ฐ€์ ธ์˜ค๋ฉด MD ์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž์˜ ๊ธ€๊ผด ์œ ํ˜•, ๊ธ€๊ผด ํฌ๊ธฐ, ์ƒ‰์ƒ ๋ฐ ๋Œ€๋น„์— ์˜ํ–ฅ์„ ์ค๋‹ˆ๋‹ค.
1. ๋‹ค์Œ ๋ฐฉ๋ฒ• ์ค‘ ํ•˜๋‚˜๋กœ EMW์—์„œ Inherit System Settings(์‹œ์Šคํ…œ ์„ค์ • ์ƒ์†) ์ฐฝ์„ ์—ฝ๋‹ˆ๋‹ค.
โ€ข Tools(๋„๊ตฌ) > Inherit System Settings(์‹œ์Šคํ…œ ์„ค์ • ์ƒ์†)๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.
โ€ข Setup(์„ค์ •) ํƒญ์„ ์„ ํƒํ•˜๊ณ  Accessibility(์ ‘๊ทผ์„ฑ)์—์„œ Inherit System Settings(์‹œ์Šคํ…œ ์„ค์ • ์ƒ์†)๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.
2. Inherit system settings for color and font(์ƒ‰์ƒ ๋ฐ ๊ธ€๊ผด์˜ ์‹œ์Šคํ…œ ์„ค์ • ์ƒ์†)๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.
3. ํ™•์ธ์„ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค.

์–ด๋ ˆ์ด ๊ด€๋ฆฌ ์ฐฝ

EMW์—์„œ AMW๋ฅผ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. AMW๋Š” ๋‹จ์ผ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ๊ด€๋ฆฌ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ์—ฌ๋Ÿฌ ๊ฐœ์˜ AMW๋ฅผ ๋™์‹œ์— ์—ด์–ด ์—ฌ๋Ÿฌ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
AMW์—์„œ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ์˜ˆ๋ฅผ ๋“ค์–ด ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ด๋ฆ„ ๋ณ€๊ฒฝ, ์•”ํ˜ธ ๋ณ€๊ฒฝ ๋˜๋Š” ๋ฐฐ๊ฒฝ ๋งค์ฒด ๊ฒ€์ƒ‰ ํ™œ์„ฑํ™”์™€ ๊ฐ™์€ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์˜ต์…˜์„ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์šฉ๋Ÿ‰์—์„œ ๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ ๋””์Šคํฌ ํ’€์„ ๊ตฌ์„ฑํ•˜๊ณ , ํ˜ธ์ŠคํŠธ ๋ฐ ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน์„ ์ •์˜ํ•˜๋ฉฐ, ์Šคํ† ๋ฆฌ์ง€ ํŒŒํ‹ฐ์…˜์ด๋ผ๊ณ  ํ•˜ ๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ ์„ธํŠธ์— ํ˜ธ์ŠคํŠธ ๋˜๋Š” ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน ์•ก์„ธ์Šค ๊ถŒํ•œ์„ ๋ถ€์—ฌํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๊ตฌ์„ฑ์š”์†Œ์˜ ์ƒํƒœ๋ฅผ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜๊ณ  ์ ์šฉ ๊ฐ€๋Šฅํ•œ ์•„์ด์ฝ˜์„ ์‚ฌ์šฉํ•˜์—ฌ ์ž์„ธํ•œ ์ƒํƒœ๋ฅผ ๋ณด๊ณ ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•œ ๋…ผ๋ฆฌ ๊ตฌ์„ฑ์š”์†Œ ๋˜๋Š” ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•œ ํ•˜๋“œ์›จ์–ด ๊ตฌ์„ฑ์š”์†Œ์— ๋Œ€ํ•œ ๋ณต๊ตฌ ์ ˆ์ฐจ๋ฅผ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์ด๋ฒคํŠธ ๋กœ๊ทธ๋ฅผ ๋ด…๋‹ˆ๋‹ค.
์†Œ๊ฐœ 13
โ€ข RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ๋ฐ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์™€ ๊ฐ™์€ ํ•˜๋“œ์›จ์–ด ๊ตฌ์„ฑ์š”์†Œ์— ๊ด€ํ•œ ํ”„๋กœํŒŒ์ผ ์ •๋ณด๋ฅผ ๋ด…๋‹ˆ๋‹ค.
โ€ข ๊ฐ€์ƒ ๋””์Šคํฌ ์†Œ์œ ๊ถŒ์„ ๋ณ€๊ฒฝํ•˜๊ฑฐ๋‚˜ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์„ ์˜จ๋ผ์ธ ๋˜๋Š” ์˜คํ”„๋ผ์ธ์œผ๋กœ ์ „ํ™˜ํ•˜๋Š” ๋“ฑ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์„ ๊ด€๋ฆฌํ•ฉ๋‹ˆ ๋‹ค.
โ€ข ํ•ซ์ŠคํŽ˜์–ด๋ฅผ ํ• ๋‹นํ•˜๊ฑฐ๋‚˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์ฐพ๋Š” ๋“ฑ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ๊ด€๋ฆฌํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์„ฑ๋Šฅ์„ ๋ชจ๋‹ˆํ„ฐ๋งํ•ฉ๋‹ˆ๋‹ค.
AMW๋ฅผ ์‹คํ–‰ํ•˜๋ ค๋ฉด ๋‹ค์Œ์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.
1. EMW์—์„œ, Devices(์žฅ์น˜) ํƒญ์— ์žˆ๋Š” ๊ด€๋ จ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ๋งˆ์šฐ์Šค ์˜ค๋ฅธ์ชฝ ๋‹จ์ถ”๋กœ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค. ์„ ํƒํ•œ ์Šคํ† ๋ฆฌ์ง€์˜ ์ปจํ…์ŠคํŠธ ๋ฉ”๋‰ด๊ฐ€ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.
2. ์ปจํ…์ŠคํŠธ ๋ฉ”๋‰ด์—์„œ Manage Storage Array(์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๊ด€๋ฆฌ)๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค. ์„ ํƒํ•œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ AMW๊ฐ€ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.
๋…ธํŠธ: ๋‹ค์Œ์„ ์ˆ˜ํ–‰ํ•˜์—ฌ AMW๋ฅผ ์‹คํ–‰ํ•  ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข EMW์˜ Devices(์žฅ์น˜) ํƒญ์— ํ‘œ์‹œ๋œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ๋‘ ๋ฒˆ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค.
โ€ข EMW์˜ Devices(์žฅ์น˜) ํƒญ์— ํ‘œ์‹œ๋œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ์„ ํƒํ•œ ๋‹ค์Œ Tools(๋„๊ตฌ) > Manage Storage Array(์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ ์—ด ๊ด€๋ฆฌ)๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.
AMW
์—๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์€ ํƒญ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข Summary(์š”์•ฝ) ํƒญ โ€” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ๊ด€ํ•œ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ •๋ณด๋ฅผ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ—‹ ์ƒํƒœ โ—‹ ํ•˜๋“œ์›จ์–ด โ—‹ ์Šคํ† ๋ฆฌ์ง€ ๋ฐ ๋ณต์‚ฌ ์„œ๋น„์Šค โ—‹ ํ˜ธ์ŠคํŠธ ๋ฐ ๋งคํ•‘ โ—‹ ์Šคํ† ๋ฆฌ์ง€ ์šฉ๋Ÿ‰ ์ •๋ณด โ—‹ ํ”„๋ฆฌ๋ฏธ์—„ ๊ธฐ๋Šฅ
โ€ข Performance(์„ฑ๋Šฅ) ํƒญ โ€” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์ฃผ์š” ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ์ถ”์ ํ•˜๊ณ  ์‹œ์Šคํ…œ์—์„œ ์„ฑ๋Šฅ ๋ณ‘๋ชฉ ํ˜„์ƒ์„ ์‹๋ณ„ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๋‹ค์Œ๊ณผ ๊ฐ™์€ ๋ฐฉ๋ฒ•์œผ๋กœ ์‹œ์Šคํ…œ ์„ฑ๋Šฅ์„ ๋ชจ๋‹ˆํ„ฐ๋งํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ—‹ ์‹ค์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”„ โ—‹ ์‹ค์‹œ๊ฐ„ ํ…์ŠคํŠธ โ—‹ ๋ฐฐ๊ฒฝ(๋‚ด์—ญ)
โ€ข Storage & Copy Services(์Šคํ† ๋ฆฌ์ง€ ๋ฐ ๋ณต์‚ฌ ์„œ๋น„์Šค) ํƒญ โ€” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๊ฐ€์ƒ ๋””์Šคํฌ, ๋””์Šคํฌ ๊ทธ๋ฃน, ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ์šฉ๋Ÿ‰ ๋…ธ๋“œ,
๊ตฌ์„ฑ๋˜์ง€ ์•Š์€ ์šฉ๋Ÿ‰์„ ๊ธฐ์ค€์œผ๋กœ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์กฐ์ง์„ ๋ณด๊ณ  ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข Host Mappings(ํ˜ธ์ŠคํŠธ ๋งคํ•‘) ํƒญ โ€” ํ˜ธ์ŠคํŠธ, ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน ๋ฐ ํ˜ธ์ŠคํŠธ ํฌํŠธ๋ฅผ ์ •์˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน ๋ฐ ํ˜ธ์ŠคํŠธ์— ๊ฐ€์ƒ ๋””
์Šคํฌ ์•ก์„ธ์Šค๋ฅผ ๋ถ€์—ฌํ•˜๊ณ  ์Šคํ† ๋ฆฌ์ง€ ํŒŒํ‹ฐ์…˜์„ ์ƒ์„ฑํ•˜๊ธฐ ์œ„ํ•ด ๋งคํ•‘์„ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข Hardware(ํ•˜๋“œ์›จ์–ด) ํƒญ โ€” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋ฌผ๋ฆฌ ๊ตฌ์„ฑ์š”์†Œ๋ฅผ ๋ณด๊ณ  ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข Setup(์„ค์ •) ํƒญ โ€” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์ดˆ๊ธฐ ์„ค์ • ์ž‘์—… ๋ชฉ๋ก์ด ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.

Dell EMC PowerVault ๋ชจ๋“ˆ์‹ ๋””์Šคํฌ ๊ตฌ์„ฑ ์œ ํ‹ธ๋ฆฌํ‹ฐ

๋…ธํŠธ: Dell EMC PowerVault MDCU(๋ชจ๋“ˆ์‹ ๋””์Šคํฌ ๊ตฌ์„ฑ ์œ ํ‹ธ๋ฆฌํ‹ฐ)๋Š” iSCSI ํ”„๋กœํ† ์ฝœ์„ ์‚ฌ์šฉํ•˜๋Š” MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด
์—์„œ๋งŒ ์ง€์›๋ฉ๋‹ˆ๋‹ค.
MDCU๋Š” MD Storage Manager์—์„œ iSCSI ์—ฐ๊ฒฐ ๊ตฌ์„ฑ์„ ๊ฐ„์†Œํ™”ํ•˜๋Š” ๋ฐ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” iSCSI ๊ตฌ์„ฑ ๋งˆ๋ฒ•์‚ฌ์ž…๋‹ˆ๋‹ค. MDCU ์†Œํ”„ํŠธ์›จ์–ด๋Š” MD ์‹œ๋ฆฌ์ฆˆ ๋ฆฌ์†Œ์Šค ๋ฏธ๋””์–ด์—์„œ ์ œ๊ณต๋ฉ๋‹ˆ๋‹ค.

๊ด€๋ จ ์„ค๋ช…์„œ

๋…ธํŠธ: ๋ชจ๋“  ์Šคํ† ๋ฆฌ์ง€ ์„ค๋ช…์„œ๋ฅผ ๋ณด๋ ค๋ฉด Dell.com/powervaultmanuals๋กœ ์ด๋™ํ•œ ํ›„ ์‹œ์Šคํ…œ ์„œ๋น„์Šค ํƒœ๊ทธ๋ฅผ ์ž…๋ ฅํ•˜์—ฌ ์‹œ์Šคํ…œ ์„ค๋ช…
์„œ๋ฅผ ๊ฐ€์ ธ์˜ค์‹ญ์‹œ์˜ค.
๋…ธํŠธ: ๋ชจ๋“  Dell EMC OpenManage ์„ค๋ช…์„œ๋ฅผ ๋ณด๋ ค๋ฉด Dell.com/openmanagemanuals๋กœ ์ด๋™ํ•˜์‹ญ์‹œ์˜ค.
๋…ธํŠธ: ๋ชจ๋“  ์Šคํ† ๋ฆฌ์ง€ ์ปจํŠธ๋กค๋Ÿฌ ์„ค๋ช…์„œ๋ฅผ ๋ณด๋ ค๋ฉด Dell.com/storagecontrollermanuals๋กœ ์ด๋™ํ•˜์‹ญ์‹œ์˜ค.
์ œํ’ˆ ์„ค๋ช…์„œ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.
โ€ข Dell EMC PowerVault MD3460/MD3860i/MD3860f
๊ฐœ์š”๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ์ด ๋ฌธ์„œ๋Š” ์‹œ์Šคํ…œ๊ณผ ํ•จ๊ป˜ ์ œ๊ณต๋ฉ๋‹ˆ๋‹ค.
14 ์†Œ๊ฐœ
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์‹œ์ž‘ ์•ˆ๋‚ด์„œ
- ์‹œ์Šคํ…œ ๊ธฐ๋Šฅ, ์‹œ์Šคํ…œ ์„ค์ • ๋ฐ ๊ธฐ์ˆ  ์‚ฌ์–‘์— ๋Œ€ํ•œ
โ€ข Dell EMC PowerVault MD3460/MD3860i/MD3860f
์˜ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋Š” ๋ฐฉ๋ฒ• ๋ฐ ์‹œ์Šคํ…œ ๊ตฌ์„ฑ ์š”์†Œ๋ฅผ ์„ค์น˜ํ•˜๊ฑฐ๋‚˜ ๊ต์ฒดํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค.
โ€ข๋ž™ ์„ค์น˜ ์ง€์นจ โ€” ์‹œ์Šคํ…œ์„ ๋ž™์— ์„ค์น˜ํ•˜๋Š” ๋ฐฉ๋ฒ•์„ ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค. ๋˜ํ•œ ์ด ์„ค๋ช…์„œ๋Š” ๋ž™ ์†”๋ฃจ์…˜๊ณผ ํ•จ๊ป˜ ์ œ๊ณต๋ฉ๋‹ˆ๋‹ค.
โ€ข Dell EMC PowerVault MD
ํ•ฉ๋‹ˆ๋‹ค.
โ€ข Dell EMC PowerVault MD 34XX/38XX
๋ณด๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
โ€ข Dell EMC PowerVault MD3460/MD3860i/MD3860f
ํ•œ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
โ€ข Dell EMC PowerVault MD 34xx ๋ฐ 38xx
ํ•œ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๊ด€๋ฆฌ์ž ๊ฐ€์ด๋“œ
์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด
์‹œ๋ฆฌ์ฆˆ
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์†Œ์œ ์ž ๋งค๋‰ด์–ผ
- MDSM GUI๋ฅผ ์‚ฌ์šฉํ•œ ์‹œ์Šคํ…œ ๊ตฌ์„ฑ ๋ฐ ๊ด€๋ฆฌ์— ๋Œ€ํ•œ ์ •๋ณด๋ฅผ ์ œ๊ณต
CLI
๊ฐ€์ด๋“œ
- MDSM CLI๋ฅผ ์‚ฌ์šฉํ•œ ์‹œ์Šคํ…œ ๊ตฌ์„ฑ ๋ฐ ๊ด€๋ฆฌ์— ๋Œ€ํ•œ ์ •
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๊ตฌ์ถ• ๊ฐ€์ด๋“œ
Support Matrix - ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์†Œํ”„ํŠธ์›จ์–ด ๋ฐ ํ•˜๋“œ์›จ์–ด ํ˜ธํ™˜์„ฑ ๋งคํŠธ๋ฆญ์Šค์— ๋Œ€
- ์‹œ์Šคํ…œ ๊ธฐ๋Šฅ์— ๋Œ€ํ•œ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•˜๊ณ  ์‹œ์Šคํ…œ
- SAN ์•„ํ‚คํ…์ฒ˜์—์„œ ์Šคํ† ๋ฆฌ์ง€ ์‹œ์Šคํ…œ ๋ฐฐํฌ์— ๋Œ€
์†Œ๊ฐœ 15
MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด
์ด ์žฅ์—์„œ๋Š” Dell MD Series ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ๊ตฌ์„ฑํ•˜๊ณ  ์ž‘๋™ํ•˜๋Š” ๋ฐ ์œ ์šฉํ•œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๊ฐœ๋…์— ๋Œ€ํ•ด ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค.
์ฃผ์ œ:

โ€ข ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ, ๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ ๋””์Šคํฌ ๊ทธ๋ฃน

โ€ข ๋””์Šคํฌ ํ’€
โ€ข ์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ
โ€ข RAID ๋ ˆ๋ฒจ
โ€ข ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ
โ€ข ๊ฐ€์ƒ ๋””์Šคํฌ ์ž‘์—…
โ€ข ๋””์Šคํฌ ๊ทธ๋ฃน ์ž‘์—…
โ€ข RAID ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์ž‘์—… ์šฐ์„  ์ˆœ์œ„
โ€ข ๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ๋ฐ ๋””์Šคํฌ ๋กœ๋ฐ
โ€ข ๊ณ ๊ธ‰ ๊ธฐ๋Šฅ
โ€ข ๋‹ค์ค‘ ๊ฒฝ๋กœ ์†Œํ”„ํŠธ์›จ์–ด
โ€ข ๋ถ€ํ•˜ ๋ถ„์‚ฐ
โ€ข ์‹œ์Šคํ…œ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง
2
๋ฌผ๋ฆฌ์  ๋””์Šคํฌ, ๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ ๋””์Šคํฌ ๊ทธ๋ฃน
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ์œ„ํ•œ ์‹ค์ œ ์Šคํ† ๋ฆฌ์ง€ ์šฉ๋Ÿ‰์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ๋ฐ์ดํ„ฐ๋ฅผ ์ž‘์„ฑํ•˜๋ ค๋ฉด ์‹ค์ œ ์Šคํ† ๋ฆฌ์ง€ ์šฉ๋Ÿ‰์„ ๋””์Šคํฌ ๊ทธ๋ฃน ๋ฐ ๊ฐ€์ƒ ๋””์Šคํฌ๋ผ๊ณ  ํ•˜๋Š” ๋…ผ๋ฆฌ ๊ตฌ์„ฑ์š”์†Œ์— ๊ตฌ์„ฑํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
๋””์Šคํฌ ๊ทธ๋ฃน์€ ์—ฌ๋Ÿฌ ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ์ƒ์„ฑ๋˜๋Š” ์‹ค์ œ ๋””์Šคํฌ ์„ธํŠธ์ž…๋‹ˆ๋‹ค. ๋””์Šคํฌ ๊ทธ๋ฃน ํ•˜๋‚˜์—์„œ ์ง€์›๋˜๋Š” ์‹ค์ œ ๋””์Šคํฌ์˜ ์ตœ๋Œ€ ๊ฐœ์ˆ˜๋Š” ๋‹ค ์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.
โ€ข RAID 0, RAID 1, RAID 10์—์„œ 96๊ฐœ ๋””์Šคํฌ
โ€ข RAID 5 ๋ฐ RAID 6์—์„œ 30๊ฐœ ๋””์Šคํฌ
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๊ตฌ์„ฑ๋˜์ง€ ์•Š์€ ์šฉ๋Ÿ‰์—์„œ ๋””์Šคํฌ ๊ทธ๋ฃน์„ ์ƒ์„ฑํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๊ฐ€์ƒ ๋””์Šคํฌ๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน์— ์žˆ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ์˜ ์ธ์ ‘ํ•œ ๋ฐ์ดํ„ฐ ์„ธ๊ทธ๋จผํŠธ๋กœ ๊ตฌ์„ฑ๋˜๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ํŒŒํ‹ฐ์…˜์ž…๋‹ˆ๋‹ค. ๊ฐ€์ƒ ๋””์Šคํฌ๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน์— ์žˆ๋Š” ๋ชจ๋“  ๋ฌผ๋ฆฌ ๋””์Šคํฌ์˜ ๋ฐ์ดํ„ฐ ์„ธ๊ทธ๋จผํŠธ๋กœ ๊ตฌ์„ฑ๋ฉ๋‹ˆ๋‹ค.
๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๋ชจ๋“  ๊ฐ€์ƒ ๋””์Šคํฌ๋Š” ๋™์ผํ•œ RAID ๋ ˆ๋ฒจ์„ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค. ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋Š” ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„์— ํ• ๋‹นํ•  ์ˆ˜ ์žˆ๋Š” ์ตœ๋Œ€ 255๊ฐœ์˜ ๊ฐ€์ƒ ๋””์Šคํฌ(๊ฐ ๋””์Šคํฌ์˜ ์ตœ์†Œ ํฌ๊ธฐ๋Š” 10 MB)๋ฅผ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค. ๊ฐ ๊ฐ€์ƒ ๋””์Šคํฌ์—๋Š” ํ˜ธ์ŠคํŠธ ์šด์˜ ์ฒด์ œ์—์„œ ์‹๋ณ„๋˜๋Š” ๋…ผ๋ฆฌ ๋‹จ์œ„ ๋ฒˆํ˜ธ (LUN)๊ฐ€ ํ• ๋‹น๋ฉ๋‹ˆ๋‹ค.
๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ ๋””์Šคํฌ ๊ทธ๋ฃน์€ ์‚ฌ์šฉ์ž๊ฐ€ ๋ฐ์ดํ„ฐ๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋”ฐ๋ผ ์„ค์ •๋ฉ๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ์ธ๋ฒคํ† ๋ฆฌ์—๋Š” 1๊ฐœ์˜ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žฌ๋ฌด ๋ฐ ์„ธ๋ฌด ์ •๋ณด์—๋Š” 2๊ฐœ์˜ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์‹ค์ œ ๋””์Šคํฌ

Dell EMC์—์„œ ์ง€์›ํ•˜๋Š” ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๋งŒ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ์ง€์›๋ฉ๋‹ˆ๋‹ค. ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ์ง€์›๋˜์ง€ ์•Š๋Š” ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๊ฐ€ ๊ฐ ์ง€๋˜๋ฉด, ํ•ด๋‹น ๋””์Šคํฌ๋Š” ์ง€์›๋˜์ง€ ์•Š์Œ์œผ๋กœ ํ‘œ์‹œ๋˜์–ด ๋ชจ๋“  ์ž‘์—…์— ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์—†๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
์ง€์›๋˜๋Š” ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ๋ชฉ๋ก์„ ๋ณด๋ ค๋ฉด dell.com/support/manuals์—์„œ Support Matrix๋ฅผ ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.

๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ƒํƒœ

๋‹ค์Œ์€ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๊ฐ€ ์ธ์‹ํ•˜์—ฌ ํ•˜๋“œ์›จ์–ด ํƒญ ์•„๋ž˜ MD Storage Manager ๋˜๋Š” Summary(์š”์•ฝ) ํƒญ์˜ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ํ”„๋กœํŒŒ์ผ์— ๋ณด๊ณ ๋˜๋Š” ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ์˜ ๋‹ค์–‘ํ•œ ์ƒํƒœ์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค.

16 MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด

ํ‘œ 1. ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ƒํƒœ
์ƒํƒœ ๋ชจ๋“œ ์„ค๋ช…
Optimal(์ตœ์ ) Assigned(ํ• ๋‹น๋จ) ํ‘œ์‹œ๋œ ์Šฌ๋กฏ์— ์žˆ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ์ผ๋ถ€๋ถ„์œผ๋กœ
๊ตฌ์„ฑ๋ฉ๋‹ˆ๋‹ค.
Optimal(์ตœ์ ) Unassigned(ํ• ๋‹น๋˜์ง€ ์•Š์Œ) ํ‘œ์‹œ๋œ ์Šฌ๋กฏ์— ์žˆ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ ์‚ฌ์šฉ๋˜์ง€ ์•Š์•˜์œผ๋ฉฐ ๊ตฌ์„ฑ์—
์‚ฌ์šฉ ๊ฐ€๋Šฅํ•ฉ๋‹ˆ๋‹ค.
Optimal(์ตœ์ ) Hot Spare Standby(ํ•ซ์ŠคํŽ˜์–ด ๋Œ€๊ธฐ ์ค‘) ํ‘œ์‹œ๋œ ์Šฌ๋กฏ์— ์žˆ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ ํ•ซ์ŠคํŽ˜์–ด๋กœ ๊ตฌ์„ฑ๋ฉ๋‹ˆ๋‹ค.
Optimal(์ตœ์ ) Hot Spare in use(ํ•ซ์ŠคํŽ˜์–ด ์‚ฌ์šฉ ์ค‘) ํ‘œ์‹œ๋œ ์Šฌ๋กฏ์— ์žˆ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ ๋””์Šคํฌ ๊ทธ๋ฃน์—์„œ ํ•ซ์ŠคํŽ˜์–ด
๋กœ ์‚ฌ์šฉ๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
์‹คํŒจ Assigned(ํ• ๋‹น๋จ), Unassigned(ํ• ๋‹น๋˜
์ง€ ์•Š์Œ), Hot Spare in use(ํ•ซ์ŠคํŽ˜์–ด ์‚ฌ ์šฉ ์ค‘) ๋˜๋Š” Hot Spare standby(ํ•ซ์ŠคํŽ˜ ์–ด ๋Œ€๊ธฐ ์ค‘)
Replaced(๊ต์ฒด๋จ) Assigned(ํ• ๋‹น๋จ) ํ‘œ์‹œ๋œ ์Šฌ๋กฏ์— ์žˆ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ ๊ต์ฒด๋˜์—ˆ๊ณ  ๋””์Šคํฌ ๊ทธ๋ฃน์—
Pending Failure(๋ณด๋ฅ˜ ์ค‘ ์ธ ์žฅ์• )
Offline(์˜คํ”„๋ผ์ธ) ์ ์šฉ๋˜์ง€ ์•Š์Œ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ ์Šคํ•€ ๋‹ค์šด๋˜์—ˆ๊ฑฐ๋‚˜ ์‚ฌ์šฉ์ž ์š”์ฒญ์— ์˜ํ•ด ์žฌ๊ตฌ์ถ•
Identify(์‹๋ณ„) Assigned(ํ• ๋‹น๋จ), Unassigned(ํ• ๋‹น๋˜
Assigned(ํ• ๋‹น๋จ), Unassigned(ํ• ๋‹น๋˜
์ง€ ์•Š์Œ), Hot Spare in use(ํ•ซ์ŠคํŽ˜์–ด ์‚ฌ ์šฉ ์ค‘) ๋˜๋Š” Hot Spare standby(ํ•ซ์ŠคํŽ˜ ์–ด ๋Œ€๊ธฐ ์ค‘)
์ง€ ์•Š์Œ), Hot Spare in use(ํ•ซ์ŠคํŽ˜์–ด ์‚ฌ ์šฉ ์ค‘) ๋˜๋Š” Hot Spare standby(ํ•ซ์ŠคํŽ˜ ์–ด ๋Œ€๊ธฐ ์ค‘)
์ง€์‹œ๋œ ์Šฌ๋กฏ์— ์žˆ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ ๋ณต๊ตฌ ๋ถˆ๊ฐ€๋Šฅํ•œ ์˜ค๋ฅ˜, ๋ถ€์ •ํ™• ํ•œ ๋ฌผ๋ฆฌ ๋””์Šคํฌ ์œ ํ˜• ๋˜๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ ํฌ๊ธฐ๋กœ ์ธํ•ด, ๋˜๋Š” failed(์‹คํŒจ)๋กœ ์„ค์ •๋œ ์ž‘๋™ ์ƒํƒœ์— ์˜ํ•ด ์‹คํŒจ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
๊ตฌ์„ฑ ์ค€๋น„๊ฐ€ ์™„๋ฃŒ๋˜์—ˆ๊ฑฐ๋‚˜ ๊ตฌ์„ฑ๋˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
ํ‘œ์‹œ๋œ ์Šฌ๋กฏ์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์—์„œ ์ž๊ฐ€ ๋ชจ๋‹ˆํ„ฐ๋ง ๋ถ„์„ ๋ฐ ๋ณด๊ณ  ๊ธฐ ์ˆ (Self-Monitoring Analysis and Reporting Technology; SMART) ์˜ค๋ฅ˜๊ฐ€ ๊ฐ์ง€๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
์ด ์ค‘๋‹จ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์‹๋ณ„ ์ค‘์ž…๋‹ˆ๋‹ค.

๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ ๋””์Šคํฌ ๊ทธ๋ฃน

์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์„ ๊ตฌ์„ฑํ•  ๋•Œ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ๋””์Šคํฌ ๊ทธ๋ฃน์— ๊ตฌ์„ฑํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์ด๋Ÿฌํ•œ ๋””์Šคํฌ ๊ทธ๋ฃน์— ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค.
โ€ข ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„ ์•ก์„ธ์Šค ๊ถŒํ•œ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.
โ€ข ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„์™€ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์—ฐ๊ด€์‹œํ‚ค๊ธฐ ์œ„ํ•œ ๋งคํ•‘์„ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค.
๋…ธํŠธ: ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„ ์•ก์„ธ์Šค๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ๋“ค์„ ๋งคํ•‘ํ•˜๊ธฐ ์ „์— ์ƒ์„ฑํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
๋””์Šคํฌ ๊ทธ๋ฃน์€ ํ•ญ์ƒ ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์˜ ๊ตฌ์„ฑ๋˜์ง€ ์•Š์€ ์šฉ๋Ÿ‰์— ์ƒ์„ฑ๋ฉ๋‹ˆ๋‹ค. ๊ตฌ์„ฑ๋˜์ง€ ์•Š์€ ์šฉ๋Ÿ‰์€ ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์—์„œ ์•„์ง ํ• ๋‹น๋˜์ง€ ์•Š ์•„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ ๊ณต๊ฐ„์ž…๋‹ˆ๋‹ค.
๊ฐ€์ƒ ๋””์Šคํฌ๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ๊ณต๊ฐ„ ๋‚ด์— ์ƒ์„ฑ๋ฉ๋‹ˆ๋‹ค. ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ๊ณต๊ฐ„์€ ๊ฐ€์ƒ ๋””์Šคํฌ์— ํ• ๋‹น๋˜์ง€ ์•Š์€ ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๊ณต ๊ฐ„์ž…๋‹ˆ๋‹ค.

๊ฐ€์ƒ ๋””์Šคํฌ ์ƒํƒœ

๋‹ค์Œ ํ‘œ๋Š” ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์—์„œ ์ธ์‹ํ•˜๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋‹ค์–‘ํ•œ ์ƒํƒœ์— ๋Œ€ํ•ด ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค.
ํ‘œ 2. RAID ์ปจํŠธ๋กค๋Ÿฌ ๊ฐ€์ƒ ๋””์Šคํฌ ์ƒํƒœ
์ƒํƒœ ์„ค๋ช…
Optimal(์ตœ์ ) ๊ฐ€์ƒ ๋””์Šคํฌ์— ์˜จ๋ผ์ธ ์ƒํƒœ์ธ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ ํฌํ•จ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.
Degraded(์ €ํ•˜๋จ) ์ค‘๋ณต RAID ๋ ˆ๋ฒจ์ด ์žˆ๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ์— ์•ก์„ธ์Šค ๋ถˆ๊ฐ€๋Šฅํ•œ ๋ฌผ๋ฆฌ์  ๋””์Šค
ํฌ๊ฐ€ ํฌํ•จ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค. ์‹œ์Šคํ…œ์ด ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ์ž‘๋™๋˜๊ธฐ๋Š” ํ•˜์ง€๋งŒ ์„ฑ ๋Šฅ์— ์˜ํ–ฅ์„ ๋ฐ›์„ ์ˆ˜ ์žˆ์œผ๋ฉฐ ์ถ”๊ฐ€ ๋””์Šคํฌ ์žฅ์• ๋กœ ์ธํ•ด ๋ฐ์ดํ„ฐ๊ฐ€ ์†์‹ค ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด 17
ํ‘œ 2. RAID ์ปจํŠธ๋กค๋Ÿฌ ๊ฐ€์ƒ ๋””์Šคํฌ ์ƒํƒœ (๊ณ„์†)
์ƒํƒœ ์„ค๋ช…
Offline(์˜คํ”„๋ผ์ธ) ํ•˜๋‚˜ ์ด์ƒ์˜ ๊ตฌ์„ฑ์› ๋””์Šคํฌ๊ฐ€ ์žˆ๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ์•ก์„ธ์Šคํ•  ์ˆ˜ ์—†๋Š”
์ƒํƒœ์ž…๋‹ˆ๋‹ค(์žฅ์•  ๋ฐœ์ƒ, ๋ˆ„๋ฝ ๋˜๋Š” ์˜คํ”„๋ผ์ธ). ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋ฐ์ดํ„ฐ ์— ๋” ์ด์ƒ ์•ก์„ธ์Šคํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
Force Online(๊ฐ•์ œ ์˜จ๋ผ์ธ ์„ค์ •) ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๊ฐ€ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ Offline(์˜คํ”„๋ผ์ธ) ์ƒํƒœ์—์„œ
Optimal(์ตœ์ ) ์ƒํƒœ๋กœ ๊ฐ•์ œ ์ „ํ™˜ํ•ฉ๋‹ˆ๋‹ค. ์ผ๋ถ€ ๋ฉค๋ฒ„ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๋ฅผ
์‚ฌ์šฉํ•  ์ˆ˜ ์—†๋Š” ๊ฒฝ์šฐ, ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ Degraded(์„ฑ๋Šฅ ์ €ํ•˜) ์ƒํƒœ๋กœ ๊ฐ•์ œ ์ „ํ™˜ํ•ฉ๋‹ˆ๋‹ค. ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์ง€์› ํ•  ์ˆ˜ ์žˆ๋Š” ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ˆ˜๊ฐ€ ์ถฉ๋ถ„ํ•œ ๊ฒฝ์šฐ์—๋งŒ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๊ฐ€ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ Online(์˜จ๋ผ์ธ) ์ƒํƒœ๋กœ ๊ฐ•์ œ ์ „ํ™˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

๋””์Šคํฌ ํ’€

๋””์Šคํฌ ํ’€๋ง์„ ์‚ฌ์šฉํ•˜๋ฉด ๊ฐ ๊ฐ€์ƒ ๋””์Šคํฌ์—์„œ ๋ฌผ๋ฆฌ ๋””์Šคํฌ ์ง‘ํ•ฉ์œผ๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฌด์ž‘์œ„๋กœ ๋ถ„์‚ฐ์‹œํ‚ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋””์Šคํฌ ํ’€์„ ๊ตฌ์„ฑํ•  ์ˆ˜ ์žˆ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ์˜ ์ตœ๋Œ€ ๊ฐœ์ˆ˜์—๋Š” ์ œํ•œ์ด ์—†์ง€๋งŒ ๊ฐ ๋””์Šคํฌ ํ’€์—๋Š” ์ตœ์†Œ 11๊ฐœ์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ ์žˆ์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ๋˜ํ•œ ๋””์Šคํฌ ํ’€์—๋Š” ๊ฐ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ๋Œ€ํ•œ ์ตœ๋Œ€ ํ•œ๋„๋ณด๋‹ค ๋งŽ์€ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ ํฌํ•จ๋  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ

์”ฌ ๊ฐ€์‹ฑ ๋””์Šคํฌ๋Š” ๊ธฐ์กด ๋””์Šคํฌ ํ’€์—์„œ ์ƒ์„ฑํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์ƒ์„ฑํ•˜๋ฉด ํฐ ๊ฐ€์ƒ ๊ณต๊ฐ„์„ ์„ค์ •ํ•  ์ˆ˜ ์žˆ์ง€๋งŒ ์‹ค์ œ ๋ฌผ๋ฆฌ ๊ณต ๊ฐ„์€ ํ•„์š”์— ๋”ฐ๋ผ์„œ๋งŒ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

RAID ๋ ˆ๋ฒจ

RAID ์ˆ˜์ค€์— ๋”ฐ๋ผ ๋ฐ์ดํ„ฐ๊ฐ€ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์— ์ž‘์„ฑ๋˜๋Š” ๋ฐฉ๋ฒ•์ด ๊ฒฐ์ •๋˜๋ฏ€๋กœ ๋‹ค์–‘ํ•œ ์ˆ˜์ค€์˜ ์ ‘๊ทผ์„ฑ, ์ผ๊ด€์„ฑ ๋ฐ ์šฉ๋Ÿ‰์ด ์ œ๊ณต๋ฉ๋‹ˆ๋‹ค.
๋‹ค์ˆ˜์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ๋‹จ์ผ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์‚ฌ์šฉํ•  ๋•Œ๋ณด๋‹ค ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ด์ ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ๋‹ค์ˆ˜์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์— ๋ฐ์ดํ„ฐ๋ฅผ ๋ฐฐํฌํ•˜๋ฉด(์ŠคํŠธ๋ผ์ดํ•‘) ์ž…๋ ฅ/์ถœ๋ ฅ(I/O) ๋™์ž‘์ด ๋™์‹œ์— ๋ฐœ์ƒ๋˜๊ณ  ์„ฑ๋Šฅ์ด ํ–ฅ์ƒ๋ฉ๋‹ˆ๋‹ค.
โ€ข ๋ณต์ œ ๋˜๋Š” ์ผ๊ด€์„ฑ์„ ์‚ฌ์šฉํ•˜์—ฌ ๋‹ค์ˆ˜์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์— ์ค‘๋ณต ๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๋ฉด ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒ๋˜๊ณ  ๊ทธ๋Ÿฌํ•œ ์˜ค๋ฅ˜๊ฐ€ ๋ฌผ๋ฆฌ ๋””์Šคํฌ ๊ณ ์žฅ์ธ ๊ฒฝ์šฐ์—๋„ ์†์‹ค๋œ ๋ฐ์ดํ„ฐ ์žฌ๊ตฌ์ถ•์ด ์ง€์›๋ฉ๋‹ˆ๋‹ค.
RAID ์ˆ˜์ค€๋งˆ๋‹ค ๊ฐ๊ธฐ ๋‹ค๋ฅธ ์„ฑ๋Šฅ๊ณผ ๋ณดํ˜ธ ๊ธฐ๋Šฅ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ, ์•ก์„ธ์Šค, ๋‚ด๊ฒฐํ•จ์„ฑ, ์ €์žฅํ•˜๋Š” ๋ฐ์ดํ„ฐ์˜ ์œ ํ˜•์— ๋”ฐ๋ผ RAID ์ˆ˜
์ค€์„ ์„ ํƒํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ๋Š” RAID ์ˆ˜์ค€ 0, 1, 5, 6, 10์„ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค. ๋””์Šคํฌ ๊ทธ๋ฃน์—์„œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ์ตœ๋Œ€ ๋ฐ ์ตœ์†Œ ๋ฌผ๋ฆฌ ๋””์Šคํฌ ๊ฐœ์ˆ˜๋Š” RAID ์ˆ˜์ค€์— ๋”ฐ๋ผ ๋‹ค๋ฆ…๋‹ˆ๋‹ค.
โ€ข RAID 0, 1 ๋ฐ 10์˜ ๊ฒฝ์šฐ 120๊ฐœ(PFK ํฌํ•จ 180๊ฐœ)
โ€ข RAID 5, 6์˜ ๊ฒฝ์šฐ 30๊ฐœ

์ตœ๋Œ€ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ง€์› ์ œํ•œ ์‚ฌํ•ญ

ํ”„๋ฆฌ๋ฏธ์—„ ๊ธฐ๋Šฅ ํ‚คํŠธ๊ฐ€ ํฌํ•จ๋œ PowerVault MD Series ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋Š” ์ตœ๋Œ€ 180๊ฐœ์˜ ์‹ค์ œ ๋””์Šคํฌ๋ฅผ ์ง€์›ํ•˜์ง€๋งŒ, ์‹ค์ œ ๋””์Šคํฌ๊ฐ€ 120 ๊ฐœ๋ฅผ ์ดˆ๊ณผํ•˜๋Š” RAID 0 ๋ฐ RAID 10 ๊ตฌ์„ฑ์€ ์ง€์›๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์‚ฌ์šฉ์ž๊ฐ€ RAID 0 ๋˜๋Š” RAID 10 ๊ตฌ์„ฑ์„ ์„ค์ •ํ•˜๋ฉด MD ์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž๋Š” 120๊ฐœ ์‹ค์ œ ๋””์Šคํฌ ํ•œ๋„๋ฅผ ์ ์šฉํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. 120๊ฐœ ์‹ค์ œ ๋””์Šคํฌ ํ•œ๋„๋ฅผ ์ดˆ๊ณผํ•˜๋ฉด ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๊ฐ€ ๋ถˆ์•ˆ์ •ํ•ด์งˆ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

RAID ์ˆ˜์ค€ ์‚ฌ์šฉ

์ตœ์ƒ์˜ ์„ฑ๋Šฅ์„ ์œ„ํ•ด์„œ๋Š” ์‹œ์Šคํ…œ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์ƒ์„ฑํ•  ๋•Œ ์ตœ์ ์˜ RAID ๋ ˆ๋ฒจ์„ ์„ ํƒํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์‚ฌ์šฉ์ž์˜ ๋””์Šคํฌ ๋ฐฐ์—ด์„ ์œ„ํ•œ ์ตœ์ ์˜ RAID ๋ ˆ๋ฒจ์€ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์‚ฌํ•ญ์— ๋”ฐ๋ผ ๋‹ค๋ฆ…๋‹ˆ๋‹ค.
โ€ข ๋””์Šคํฌ ๋ฐฐ์—ด์— ์žˆ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ์˜ ์ˆ˜
โ€ข ๋””์Šคํฌ ๋ฐฐ์—ด์— ์žˆ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ์˜ ์šฉ๋Ÿ‰
โ€ข ๋ฐ์ดํ„ฐ์— ๋Œ€ํ•ด ์ค‘๋ณต ์•ก์„ธ์Šค ํ•„์š”์„ฑ(๋‚ด๊ฒฐํ•จ์„ฑ)
โ€ข ๋””์Šคํฌ ์„ฑ๋Šฅ ์š”๊ตฌ์‚ฌํ•ญ
18 MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด

RAID 0

์ฃผ์˜: ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์— ํ”„๋ฆฌ๋ฏธ์—„ ๊ธฐ๋Šฅ์ด ํ™œ์„ฑํ™”๋˜์–ด ์žˆ๋”๋ผ๋„ RAID 0 ๊ตฌ์„ฑ์—์„œ 120๊ฐœ์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์ดˆ๊ณผํ•˜๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ ๊ทธ
๋ฃน์„ ์ƒ์„ฑํ•˜์ง€ ๋งˆ์‹ญ์‹œ์˜ค. ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ 120๊ฐœ๋ฅผ ์ดˆ๊ณผํ•˜๋ฉด ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์ด ๋ถˆ์•ˆ์ •ํ•ด์งˆ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
RAID 0์€ ๋””์Šคํฌ ์ŠคํŠธ๋ผ์ดํ•‘์„ ์‚ฌ์šฉํ•˜์—ฌ ๋†’์€ ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ๋Ÿ‰์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ํŠนํžˆ ๋ฐ์ดํ„ฐ ์ผ๊ด€์„ฑ์ด ํ•„์š”ํ•˜์ง€ ์•Š์€ ํ™˜๊ฒฝ์—์„œ ๋Œ€๊ทœ๋ชจ ํŒŒ์ผ์— ์‚ฌ์šฉํ•  ๋•Œ ์œ ์šฉํ•ฉ๋‹ˆ๋‹ค. RAID 0์€ ๋ฐ์ดํ„ฐ๋ฅผ ์„ธ๊ทธ๋จผํŠธ๋กœ ๋‚˜๋ˆ„๊ณ , ๊ฐ ์„ธ๊ทธ๋จผํŠธ๋ฅผ ๋ณ„๋„์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์— ์ž‘์„ฑํ•ฉ๋‹ˆ๋‹ค. ์—ฌ๋Ÿฌ ๋ฌผ๋ฆฌ ๋”” ์Šคํฌ์— I/O ๋กœ๋“œ๋ฅผ ๋ถ„์‚ฐํ•จ์œผ๋กœ์จ I/O ์„ฑ๋Šฅ์„ ํ˜„์ €ํžˆ ํ–ฅ์ƒ์‹œํ‚ต๋‹ˆ๋‹ค. RAID 0์€ ๋ชจ๋“  RAID ๋ ˆ๋ฒจ ์ค‘์—์„œ ์ตœ๊ณ ์˜ ์„ฑ๋Šฅ์„ ์ œ๊ณตํ•˜์ง€๋งŒ ๋ฐ์ด ํ„ฐ ์ผ๊ด€์„ฑ์€ ๋ถ€์กฑํ•ฉ๋‹ˆ๋‹ค. RAID 0 ๊ตฌ์„ฑ์—์„œ๋Š” ๋ฌผ๋ฆฌ ๋””์Šคํฌ ํ•˜๋‚˜์— ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•  ๊ฒฝ์šฐ ๋ชจ๋“  ๋ฐ์ดํ„ฐ๊ฐ€ ์œ ์‹ค๋  ์ˆ˜ ์žˆ์œผ๋ฏ€๋กœ ์ค‘์š”ํ•˜์ง€ ์•Š ์€ ๋ฐ์ดํ„ฐ์—๋งŒ ์ด ์˜ต์…˜์„ ์‚ฌ์šฉํ•˜์‹ญ์‹œ์˜ค. RAID 0 ์‘์šฉํ”„๋กœ๊ทธ๋žจ์—๋Š” ๋น„๋””์˜ค ํŽธ์ง‘, ์ด๋ฏธ์ง€ ํŽธ์ง‘, ์ธ์‡„ ์ „ ๊ณต์ • ์‘์šฉํ”„๋กœ๊ทธ๋žจ ๋˜๋Š” ๋†’์€ ๋Œ€์—ญํญ์ด ํ•„์š”ํ•œ ๋ชจ๋“  ์‘์šฉํ”„๋กœ๊ทธ๋žจ์ด ํฌํ•จ๋ฉ๋‹ˆ๋‹ค.

RAID 1

RAID 1์€ ํŠน์ • ๋ฌผ๋ฆฌ ๋””์Šคํฌ์— ์ž‘์„ฑ๋œ ๋ฐ์ดํ„ฐ๊ฐ€ ๋‹ค๋ฅธ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์— ๋™์‹œ์— ์ž‘์„ฑ๋˜๋„๋ก ๋””์Šคํฌ ๋ณต์ œ๋ฅผ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค. RAID 1์€ ๋น ๋ฅธ ์„ฑ๋Šฅ ๊ณผ ์ตœ์ƒ์˜ ๋ฐ์ดํ„ฐ ๊ฐ€์šฉ์„ฑ์„ ์ œ๊ณตํ•˜์ง€๋งŒ ๋””์Šคํฌ ์˜ค๋ฒ„ํ—ค๋“œ๊ฐ€ ๊ฐ€์žฅ ๋†’์Šต๋‹ˆ๋‹ค. RAID 1์€ ์†Œํ˜• ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋˜๋Š” ๋Œ€๊ทœ๋ชจ ์šฉ๋Ÿ‰์ด ํ•„์š”ํ•˜์ง€ ์•Š์€ ๊ธฐํƒ€ ์‘์šฉํ”„๋กœ๊ทธ๋žจ์— ๊ถŒ์žฅ๋˜๋Š” ๋ ˆ๋ฒจ์ž…๋‹ˆ๋‹ค(์˜ˆ: ํšŒ๊ณ„, ๊ธ‰์—ฌ ๋˜๋Š” ์žฌ๋ฌด ์‘์šฉํ”„๋กœ๊ทธ๋žจ). RAID 1์€ ์ „์ฒด ๋ฐ์ดํ„ฐ ์ผ๊ด€์„ฑ์„ ์ œ๊ณตํ•ฉ๋‹ˆ ๋‹ค.

RAID 5

RAID 5๋Š” ๋ชจ๋“  ๋ฌผ๋ฆฌ ๋””์Šคํฌ์—์„œ ์ผ๊ด€์„ฑ ๋ฐ ๋ฐ์ดํ„ฐ ์ŠคํŠธ๋ผ์ดํ•‘(๋ถ„์‚ฐ๋œ ์ผ๊ด€์„ฑ)์„ ์‚ฌ์šฉํ•˜์—ฌ ๋†’์€ ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ๋Ÿ‰๊ณผ ๋ฐ์ดํ„ฐ ์ผ๊ด€์„ฑ์„ ์ œ ๊ณตํ•˜๋ฉฐ ๊ทœ๋ชจ๊ฐ€ ์ž‘์€ ์ž„์˜์˜ ์•ก์„ธ์Šค์— ํŠนํžˆ ์œ ์šฉํ•ฉ๋‹ˆ๋‹ค. RAID 5๋Š” ๋‹ค์–‘ํ•œ ๊ธฐ๋Šฅ์„ ๊ฐ–์ถ˜ RAID ๋ ˆ๋ฒจ๋กœ์„œ, ์ผ๋ฐ˜์ ์œผ๋กœ I/O ํฌ๊ธฐ๊ฐ€ ์ž‘๊ณ  ์ฝ ๊ธฐ ํ™œ๋™ ๋น„์œจ์ด ๋†’์€ ๋‹ค์ค‘ ์‚ฌ์šฉ์ž ํ™˜๊ฒฝ(์˜ˆ: ํŒŒ์ผ, ์‘์šฉํ”„๋กœ๊ทธ๋žจ, ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค, ์›น, ์ „์ž ์šฐํŽธ, ๋‰ด์Šค ๋ฐ ์ธํŠธ๋ผ๋„ท ์„œ๋ฒ„)์— ์ ํ•ฉํ•ฉ๋‹ˆ๋‹ค.

RAID 6

RAID 6๋Š” RAID 5์™€ ๋น„์Šทํ•˜์ง€๋งŒ ํ–ฅ์ƒ๋œ ์ผ๊ด€์„ฑ์„ ์œ„ํ•œ ์ถ”๊ฐ€ ์ผ๊ด€์„ฑ ๋””์Šคํฌ๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. RAID 6๋Š” ๋‹ค์–‘ํ•œ ๊ธฐ๋Šฅ์„ ๊ฐ–์ถ˜ ์ตœ์ƒ์˜ RAID ๋ ˆ๋ฒจ๋กœ์„œ, ์ผ๋ฐ˜์ ์ธ I/O ํฌ๊ธฐ๊ฐ€ ์ž‘๊ณ  ์ฝ๊ธฐ ํ™œ๋™์˜ ๋น„์œจ์ด ๋†’์€ ๋‹ค์ค‘ ์‚ฌ์šฉ์ž ํ™˜๊ฒฝ์— ์ ํ•ฉํ•ฉ๋‹ˆ๋‹ค. RAID 6๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน์—์„œ ๋Œ€๊ทœ๋ชจ ๋ฌผ ๋ฆฌ ๋””์Šคํฌ ๋˜๋Š” ๋Œ€๋Ÿ‰์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ ์‚ฌ์šฉ๋  ๋•Œ ๊ถŒ์žฅ๋˜๋Š” ๋ ˆ๋ฒจ์ž…๋‹ˆ๋‹ค.

RAID 10

์ฃผ์˜: ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์— ํ”„๋ฆฌ๋ฏธ์—„ ๊ธฐ๋Šฅ์ด ํ™œ์„ฑํ™”๋˜์–ด ์žˆ๋”๋ผ๋„ RAID 10 ๊ตฌ์„ฑ์—์„œ 120๊ฐœ์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์ดˆ๊ณผํ•˜๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ
๊ทธ๋ฃน์„ ์ƒ์„ฑํ•˜์ง€ ๋งˆ์‹ญ์‹œ์˜ค. ๋ฌผ๋ฆฌ ๋””์Šคํฌ๊ฐ€ 120๊ฐœ๋ฅผ ์ดˆ๊ณผํ•˜๋ฉด ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์ด ๋ถˆ์•ˆ์ •ํ•ด์งˆ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
RAID 1๊ณผ RAID 0์„ ์กฐํ•ฉํ•œ RAID 10 ๊ตฌ์„ฑ์—์„œ๋Š” ๋ณต์ œ๋œ ๋””์Šคํฌ์—์„œ ๋””์Šคํฌ ์ŠคํŠธ๋ผ์ดํ•‘์„ ์‚ฌ์šฉํ•˜์—ฌ ๋†’์€ ๋ฐ์ดํ„ฐ ์ฒ˜๋ฆฌ๋Ÿ‰๊ณผ ์™„์ „ํ•œ ๋ฐ์ด ํ„ฐ ์ผ๊ด€์„ฑ์„ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. (4๊ฐœ ์ด์ƒ์˜) ์ง์ˆ˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด RAID ๋ ˆ๋ฒจ 10 ๋””์Šคํฌ ๊ทธ๋ฃน ๋ฐ/๋˜๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ์ƒ์„ฑ๋ฉ๋‹ˆ๋‹ค. RAID ๋ ˆ๋ฒจ 1 ๋ฐ 10์—์„œ๋Š” ๋””์Šคํฌ ๋ณต์ œ๋ฅผ ์‚ฌ์šฉํ•˜๊ธฐ ๋•Œ๋ฌธ์—, ๋ฌผ๋ฆฌ ๋””์Šคํฌ ์šฉ๋Ÿ‰์˜ ์ ˆ๋ฐ˜์ด ๋ณต์ œ์— ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค. ๋‚˜๋จธ์ง€ ์ ˆ๋ฐ˜ ์šฉ๋Ÿ‰์€ ์‹ค์ œ ์Šค ํ† ๋ฆฌ์ง€์— ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค. 4๊ฐœ ์ด์ƒ์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์—์„œ RAID ๋ ˆ๋ฒจ 1์ด ์„ ํƒ๋˜๋ฉด RAID 10์ด ์ž๋™์œผ๋กœ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค. RAID 10์€ ์ค‘๊ฐ„ ๊ทœ๋ชจ์˜ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋˜๋Š” ๊ณ ์„ฑ๋Šฅ, ๋†’์€ ๋‚ด๊ฒฐํ•จ์„ฑ ๋ฐ ์ค‘๊ฐ„ ์ •๋„์˜ ์šฉ๋Ÿ‰์ด ํ•„์š”ํ•œ ๋ชจ๋“  ํ™˜๊ฒฝ์— ์ ํ•ฉํ•ฉ๋‹ˆ๋‹ค.

์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ

๋””์Šคํฌ ์ŠคํŠธ๋ผ์ดํ•‘์„ ํ†ตํ•ด ๋‹ค์ˆ˜์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์— ๋ฐ์ดํ„ฐ๊ฐ€ ์ž‘์„ฑ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ŠคํŠธ๋ผ์ดํ•‘๋œ ๋””์Šคํฌ์— ๋™์‹œ์— ์•ก์„ธ์Šคํ•˜๊ฒŒ ๋˜๋ฏ€๋กœ ๋””์Šคํฌ ์ŠคํŠธ๋ผ์ดํ•‘์„ ์‚ฌ์šฉํ•˜๋ฉด ์„ฑ๋Šฅ์ด ํ–ฅ์ƒ๋ฉ๋‹ˆ๋‹ค.
์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ ๋˜๋Š” ์ŠคํŠธ๋ผ์ดํ”„ ์š”์†Œ ํฌ๊ธฐ๋Š” ๋‹จ์ผ ๋””์Šคํฌ์— ์ž‘์„ฑ๋˜๋Š” ์ŠคํŠธ๋ผ์ดํ”„ ๋‚ด์˜ ๋ฐ์ดํ„ฐ ํฌ๊ธฐ๋ฅผ ์ง€์ •ํ•ฉ๋‹ˆ๋‹ค. ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์— ์„œ ์ง€์›๋˜๋Š” ์ŠคํŠธ๋ผ์ดํ”„ ์š”์†Œ ํฌ๊ธฐ๋Š” 8 KB, 16 KB, 32 KB, 64 KB, 128 KB ๋ฐ 256 KB์ž…๋‹ˆ๋‹ค. ๊ธฐ๋ณธ ์ŠคํŠธ๋ผ์ดํ”„ ์š”์†Œ ํฌ๊ธฐ๋Š” 128 KB์ž…๋‹ˆ ๋‹ค.
์ŠคํŠธ๋ผ์ดํ”„ ๋„ˆ๋น„ ๋˜๋Š” ๊นŠ์ด๋Š” ์ŠคํŠธ๋ผ์ดํ•‘์ด ๊ตฌํ˜„๋˜๋Š” ์–ด๋ ˆ์ด์— ํฌํ•จ๋˜๋Š” ๋””์Šคํฌ ์ˆ˜๋ฅผ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ๋””์Šคํฌ ์ŠคํŠธ๋ผ์ดํ•‘์ด ํฌํ•จ๋œ 4๊ฐœ์˜ ๋””์Šคํฌ๋กœ ์ด๋ฃจ์–ด์ง„ ๊ทธ๋ฃน์˜ ์ŠคํŠธ๋ผ์ดํ”„ ๋„ˆ๋น„๋Š” 4์ž…๋‹ˆ๋‹ค.
๋…ธํŠธ: ๋””์Šคํฌ ์ŠคํŠธ๋ผ์ดํ•‘์ด ์šฐ์ˆ˜ํ•œ ์„ฑ๋Šฅ์„ ์ œ๊ณตํ•˜๊ธฐ๋Š” ํ•˜์ง€๋งŒ, ์ŠคํŠธ๋ผ์ดํ•‘๋งŒ์œผ๋กœ๋Š” ๋ฐ์ดํ„ฐ ์ผ๊ด€์„ฑ์ด ์ œ๊ณต๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด 19

๊ฐ€์ƒ ๋””์Šคํฌ ์ž‘์—…

๊ฐ€์ƒ ๋””์Šคํฌ ์ดˆ๊ธฐํ™”

๋ชจ๋“  ๊ฐ€์ƒ ๋””์Šคํฌ๋Š” ์ดˆ๊ธฐํ™”ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์ดˆ๊ธฐํ™”๋Š” ๋ฐฑ๊ทธ๋ผ์šด๋“œ์—์„œ ์ž๋™์œผ๋กœ ์ˆ˜ํ–‰๋˜์ง€๋งŒ Change Copy Priority(๋ณต์‚ฌ ์šฐ์„  ์ˆœ์œ„ ๋ณ€๊ฒฝ) ์˜ต์…˜์„ ์—…๋ฐ์ดํŠธํ•˜์—ฌ ์ˆ˜์ •ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด ๋ณ€๊ฒฝ์€ ์ดˆ๊ธฐํ™”๊ฐ€ ์™„๋ฃŒ๋  ๋•Œ๊นŒ์ง€ ์–ด๋ ˆ์ด์˜ ์„ฑ๋Šฅ์— ์˜ํ–ฅ์„ ์ค„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ตœ๋Œ€ 4๊ฐœ์˜ ๊ฐ€ ์ƒ ๋””์Šคํฌ๋ฅผ ๊ฐ๊ฐ์˜ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์—์„œ ๋™์‹œ์— ์ดˆ๊ธฐํ™”ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ์ƒ์„ฑ๋˜์–ด ์ •ํ•ฉ์„ฑ์„ ์„ค์ •ํ•  ๋•Œ ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์ดˆ๊ธฐํ™”๋ฅผ ์‹คํ–‰ํ•˜์—ฌ ๊ฐ€์ƒ ๋””์Šคํฌ์— ๋Œ€ํ•ด ์ „์ฒด ํ˜ธ์ŠคํŠธ ์„œ ๋ฒ„ ์•ก์„ธ์Šค๋ฅผ ํ—ˆ์šฉํ•ฉ๋‹ˆ๋‹ค. ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์ดˆ๊ธฐํ™”๋Š” RAID 0 ๊ฐ€์ƒ ๋””์Šคํฌ์—์„œ ์‹คํ–‰๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์ดˆ๊ธฐํ™” ์†๋„๋Š” MD Storage Manager๊ฐ€ ์ œ์–ดํ•ฉ๋‹ˆ๋‹ค. ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์ดˆ๊ธฐํ™” ์†๋„๋ฅผ ๋ณ€๊ฒฝํ•˜๋ ค๋ฉด ๊ธฐ์กด์˜ ๋ชจ๋“  ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์ดˆ๊ธฐํ™”๋ฅผ ์ค‘์ง€ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์†๋„ ๋ณ€๊ฒฝ์€ ๋ฐฑ๊ทธ ๋ผ์šด๋“œ ์ดˆ๊ธฐํ™”๊ฐ€ ์ž๋™์œผ๋กœ ์žฌ์‹œ์ž‘๋  ๋•Œ ๊ตฌํ˜„๋ฉ๋‹ˆ๋‹ค.

์ผ๊ด€์„ฑ ๊ฒ€์‚ฌ

์ •ํ•ฉ์„ฑ ๊ฒ€์‚ฌ๋Š” ์ค‘๋ณต ์–ด๋ ˆ์ด(RAID ๋ ˆ๋ฒจ 1, 5, 6 ๋ฐ 10)์—์„œ ๋ฐ์ดํ„ฐ์˜ ์ •ํ™•์„ฑ์„ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ํŒจ๋ฆฌํ‹ฐ๊ฐ€ ํฌํ•จ๋œ ์‹œ์Šคํ…œ์—์„œ์˜ ์ • ํ•ฉ์„ฑ ๊ฒ€์‚ฌ์—๋Š” ๋‹จ์ผ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ์—์„œ ๋ฐ์ดํ„ฐ ์ปดํ“จํŒ… ๋ฐ ํ•ด๋‹น ๊ฒฐ๊ณผ๋ฅผ ํŒจ๋ฆฌํ‹ฐ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ๋‚ด์šฉ๊ณผ ๋น„๊ตํ•˜๋Š” ์ž‘์—…์ด ํฌํ•จ๋ฉ๋‹ˆ๋‹ค.
์ผ๊ด€์„ฑ ๊ฒ€์‚ฌ๋Š” ๋ฐฐ๊ฒฝ ์ดˆ๊ธฐํ™”์™€ ๋น„์Šทํ•ฉ๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ ๋ฐฐ๊ฒฝ ์ดˆ๊ธฐํ™”๋Š” ์ˆ˜๋™์œผ๋กœ ์‹œ์ž‘ํ•˜๊ฑฐ๋‚˜ ์ค‘์ง€ํ•  ์ˆ˜ ์—†๋Š” ๋ฐ˜๋ฉด ์ผ๊ด€์„ฑ ๊ฒ€์‚ฌ๋Š” ์ˆ˜๋™์œผ๋กœ ์‹œ์ž‘ ๋˜๋Š” ์ค‘์ง€ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๋…ธํŠธ: ์ตœ์†Œํ•œ ํ•œ ๋‹ฌ์— ํ•œ ๋ฒˆ ์ค‘๋ณต ์–ด๋ ˆ์ด์—์„œ ๋ฐ์ดํ„ฐ ์ •ํ•ฉ์„ฑ ๊ฒ€์‚ฌ๋ฅผ ์ˆ˜ํ–‰ํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค. ์ด ๊ฒ€์‚ฌ๋ฅผ ์ˆ˜ํ–‰ํ•˜๋ฉด ํŒ๋… ๋ถˆ๊ฐ€๋Šฅํ•œ
์„นํ„ฐ๋ฅผ ๊ฐ์ง€ํ•˜์—ฌ ์ž๋™์œผ๋กœ ๋Œ€์ฒดํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์‹œ์Šคํ…œ์€ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณต๊ตฌํ•  ์ •ํ•ฉ์„ฑ์ด ์—†๊ธฐ ๋•Œ๋ฌธ์—, ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•œ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ๋ฅผ ์žฌ๊ตฌ์ถ•ํ•˜๋Š” ๋™์•ˆ ํŒ๋… ๋ถˆ๊ฐ€๋Šฅํ•œ ์„นํ„ฐ๋ฅผ ๊ฒ€์ƒ‰ํ•˜๋ฉด ์‹ฌ๊ฐํ•œ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

๋ฏธ๋””์–ด ๊ฒ€์ฆ

์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์—์„œ ์ˆ˜ํ–‰๋˜๋Š” ๋˜๋‹ค๋ฅธ ๋ฐฐ๊ฒฝ ์ž‘์—…์€ ๋””์Šคํฌ ๊ทธ๋ฃน์— ๊ตฌ์„ฑ๋œ ๋ชจ๋“  ๋ฌผ๋ฆฌ ๋””์Šคํฌ์˜ ๋งค์ฒด ํ™•์ธ ์ž‘์—…์ž…๋‹ˆ๋‹ค. ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์€ ์ฝ๊ธฐ ์ž‘์—…์„ ํ†ตํ•ด ๊ฐ€์ƒ ๋””์Šคํฌ์— ๊ตฌ์„ฑ๋œ ๊ณต๊ฐ„ ๋ฐ ๋ฉ”ํƒ€๋ฐ์ดํ„ฐ์— ์˜ˆ์•ฝ๋œ ๊ณต๊ฐ„์„ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค.

์ฃผ๊ธฐ ์‹œ๊ฐ„

๋งค์ฒด ํ™•์ธ ์ž‘์—…์€ ๋‹ค๋ฅธ ๋””์Šคํฌ ๊ทธ๋ฃน๊ณผ ๋…๋ฆฝ๋œ ์„ ํƒ๋œ ๋””์Šคํฌ ๊ทธ๋ฃน์—์„œ๋งŒ ์‹คํ–‰๋ฉ๋‹ˆ๋‹ค. ์ฃผ๊ธฐ ์‹œ๊ฐ„์€ ๋งค์ฒด ํ™•์ธ์ด ๊ตฌ์„ฑ๋œ ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๋ชจ๋“  ๊ฐ€์ƒ ๋””์Šคํฌ์™€ ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๋ฉ”ํƒ€๋ฐ์ดํ„ฐ ์˜์—ญ์˜ ํ™•์ธ์„ ์™„๋ฃŒํ•˜๋Š” ๋ฐ ๊ฑธ๋ฆฌ๋Š” ์‹œ๊ฐ„์ž…๋‹ˆ๋‹ค. ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๋‹ค์Œ ์ฃผ๊ธฐ๋Š” ํ˜„์žฌ ์ฃผ๊ธฐ ๊ฐ€ ์™„๋ฃŒ๋˜๋ฉด ์ž๋™์œผ๋กœ ์‹œ์ž‘๋ฉ๋‹ˆ๋‹ค. ๋งค์ฒด ํ™•์ธ ์ž‘์—…์˜ ์ฃผ๊ธฐ ์‹œ๊ฐ„์€ 1 - 30์ผ ๋ฒ”์œ„๋กœ ์„ค์ •ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์Šคํ† ๋ฆฌ์ง€ ์ปจํŠธ๋กค๋Ÿฌ๋Š” ์ฃผ๊ธฐ ์‹œ ๊ฐ„์„ ๊ธฐ์ค€์œผ๋กœ ๋””์Šคํฌ์— ๋Œ€ํ•œ ๋งค์ฒด ํ™•์ธ I/O ์•ก์„ธ์Šค๋ฅผ ์กฐ์ ˆํ•ฉ๋‹ˆ๋‹ค.
์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์€ RAID ์ปจํŠธ๋กค๋Ÿฌ์˜ ๋‹ค๋ฅธ ๋””์Šคํฌ ๊ทธ๋ฃน๊ณผ ๋…๋ฆฝ๋œ ๊ฐ ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ์ฃผ๊ธฐ๋ฅผ ์ถ”์ ํ•˜๊ณ  ๊ฒ€์‚ฌ์ ์„ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค. ๋””์Šคํฌ ๊ทธ๋ฃน ์˜ ๋งค์ฒด ํ™•์ธ ์ž‘์—…์ด ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๋‹ค๋ฅธ ์ž‘์—…์— ์˜ํ•ด ์ฐจ๋‹จ๋˜๊ฑฐ๋‚˜ ์„ ์ ๋˜๋Š” ๊ฒฝ์šฐ, ํ˜„์žฌ ์ฃผ๊ธฐ ํ›„์— ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์ด ์žฌ๊ฐœ๋ฉ๋‹ˆ๋‹ค. RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์ด ๋‹ค์‹œ ์‹œ์ž‘๋˜์–ด ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๋งค์ฒด ํ™•์ธ ํ”„๋กœ์„ธ์Šค๊ฐ€ ์ค‘์ง€๋˜๋ฉด, ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์€ ๋งˆ์ง€๋ง‰ ๊ฒ€์‚ฌ์ ๋ถ€ํ„ฐ ํ•ด๋‹น ํ”„๋กœ์„ธ์Šค ๋ฅผ ์žฌ๊ฐœํ•ฉ๋‹ˆ๋‹ค.

๊ฐ€์ƒ ๋””์Šคํฌ ์ž‘์—… ์ œํ•œ

์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์— ์„ค์น˜๋œ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ๋‹น ํ™œ์„ฑ ์ƒํƒœ์˜ ๋™์‹œ ๊ฐ€์ƒ ๋””์Šคํฌ ํ”„๋กœ์„ธ์Šค ์ˆ˜๋Š” ์ตœ๋Œ€ 4๊ฐœ์ž…๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ์ œํ•œ์€ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ฐ€์ƒ ๋””์Šคํฌ ํ”„๋กœ์„ธ์Šค์— ์ ์šฉ๋ฉ๋‹ˆ๋‹ค.
โ€ข ๋ฐฐ๊ฒฝ ์ดˆ๊ธฐํ™”
โ€ข ์ „๊ฒฝ ์ดˆ๊ธฐํ™”
โ€ข ์ผ๊ด€์„ฑ ๊ฒ€์‚ฌ
โ€ข ์žฌ๊ตฌ์ถ•
โ€ข ์นดํ”ผ๋ฐฑ
๊ธฐ์กด ๊ฐ€์ƒ ๋””์Šคํฌ ํ”„๋กœ์„ธ์Šค์—์„œ ์ค‘๋ณต RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์— ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•  ๊ฒฝ์šฐ, ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•œ ์ปจํŠธ๋กค๋Ÿฌ์˜ ํ”„๋กœ์„ธ์Šค๋Š” ํ”ผ์–ด ์ปจํŠธ๋กค ๋Ÿฌ๋กœ ์ด์ „๋ฉ๋‹ˆ๋‹ค. ํ”ผ์–ด ์ปจํŠธ๋กค๋Ÿฌ์— 4๊ฐœ์˜ ํ™œ์„ฑ ํ”„๋กœ์„ธ์Šค๊ฐ€ ์žˆ์„ ๊ฒฝ์šฐ ์ด์ „๋œ ํ”„๋กœ์„ธ์Šค๋Š” ์ผ์‹œ ์ค‘์ง€๋จ ์ƒํƒœ๊ฐ€ ๋ฉ๋‹ˆ๋‹ค. ์ผ์‹œ ์ค‘์ง€๋œ ํ”„ ๋กœ์„ธ์Šค๋Š” ํ™œ์„ฑ ํ”„๋กœ์„ธ์Šค๊ฐ€ 4๊ฐœ ๋ฏธ๋งŒ์ด ๋  ๋•Œ ํ”ผ์–ด ์ปจํŠธ๋กค๋Ÿฌ์—์„œ ์žฌ๊ฐœ๋ฉ๋‹ˆ๋‹ค.
20 MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด

๋””์Šคํฌ ๊ทธ๋ฃน ์ž‘์—…

RAID ๋ ˆ๋ฒจ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜

์‚ฌ์šฉ์ž์˜ ์š”๊ตฌ์‚ฌํ•ญ์— ๋”ฐ๋ผ RAID ๋ ˆ๋ฒจ ๊ฐ„์— ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ์ŠคํŠธ๋ผ์ดํ”„ ์„ธํŠธ(RAID 0)๋ฅผ RAID 5 ์„ธํŠธ๋กœ ๋ณ€ํ™˜ ํ•˜์—ฌ ํ•ด๋‹น ์„ธํŠธ์— ๋‚ด๊ฒฐํ•จ ํŠน์ง•์„ ์ถ”๊ฐ€ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. MD ์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž๋Š” ์‚ฌ์šฉ์ž๊ฐ€ ์ ์ ˆํ•œ RAID ๋ ˆ๋ฒจ์„ ์„ ํƒํ•  ์ˆ˜ ์žˆ๋„๋ก RAID ํŠน ์„ฑ์— ๋Œ€ํ•œ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ์‹œ์Šคํ…œ์ด ์‹คํ–‰๋˜๊ณ  ์žˆ๋Š” ๋™์•ˆ ๋‹ค์‹œ ๋ถ€ํŒ…ํ•˜์ง€ ์•Š๊ณ ๋„ RAID ๋ ˆ๋ฒจ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์„ ์ˆ˜ํ–‰ํ•  ์ˆ˜ ์žˆ์œผ๋ฏ€๋กœ ๋ฐ ์ดํ„ฐ ๊ฐ€์šฉ์„ฑ์„ ์œ ์ง€ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜

์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ๋Š” ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์ด ๋‹ค์Œ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์— ๋ฐ์ดํ„ฐ๋ฅผ ์ž‘์„ฑํ•˜๊ธฐ ์ „์— ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์— ์ž‘์„ฑํ•˜๋Š” ๋ฐ์ดํ„ฐ์˜ ์–‘ (KB)์„ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค. ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ์— ์œ ํšจํ•œ ๊ฐ’์€ 8 KB, 16 KB, 32 KB, 64 KB, 128 KB ๋ฐ 256 KB์ž…๋‹ˆ๋‹ค.
๋™์  ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์„ ํ†ตํ•ด ์ง€์ •๋œ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ๊ฐ€ ๋ณ€๊ฒฝ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ธฐ๋ณธ ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ๋Š” RAID ๋ ˆ ๋ฒจ ๋ฐ ์˜ˆ์ƒ ์‚ฌ์šฉ๋Ÿ‰ ๋“ฑ๊ณผ ๊ฐ™์€ ์š”์†Œ๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ์ƒ์„ฑ๋  ๋•Œ ์„ค์ •๋ฉ๋‹ˆ๋‹ค. ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ ์‚ฌ์šฉ๋Ÿ‰์ด ํ•„์š”ํ•œ ์–‘๊ณผ ์ผ์น˜ํ•˜์ง€ ์•Š์„ ๊ฒฝ์šฐ ๊ธฐ๋ณธ๊ฐ’์„ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ ๋ณ€๊ฒฝ์„ ๊ณ ๋ คํ•  ๊ฒฝ์šฐ, ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๋‘ ๊ฐ€์ง€ ์‹œ๋‚˜๋ฆฌ์˜ค๋Š” ์ œํ•œ์‚ฌํ•ญ์— ๋Œ€ํ•œ ๋‹ค๋ฅธ ์ ‘๊ทผ๋ฒ•์„ ์„ค๋ช…ํ•ฉ๋‹ˆ๋‹ค.
โ€ข I/O ํ™œ๋™์ด ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ๋ฅผ ์ดˆ๊ณผํ•˜๋Š” ๊ฒฝ์šฐ, ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ๋ฅผ ๋Š˜๋ ค ๋‹จ์ผ I/O์— ํ•„์š”ํ•œ ๋””์Šคํฌ ์ˆ˜๋ฅผ ์ค„์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋‹จ์ผ ์š”์ฒญ ์‚ฌ ์šฉ ๊ฐ€๋Šฅ ๋””์Šคํฌ์— ๋‹จ์ผ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๊ธฐํƒ€ ์š”์ฒญ์„ ์„œ๋น„์Šคํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํŠนํžˆ, ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋˜๋Š” ์Šคํ† ๋ฆฌ์ง€ ํ™˜๊ฒฝ์— ๋‹ค ์ˆ˜์˜ ์‚ฌ์šฉ์ž ์•ก์„ธ์Šค๊ฐ€ ์žˆ์„ ๊ฒฝ์šฐ์— ์œ ์šฉํ•ฉ๋‹ˆ๋‹ค.
โ€ข ๋‹จ์ผ ์‚ฌ์šฉ์ž์˜ ๋Œ€๊ทœ๋ชจ I/O ํ™˜๊ฒฝ(์˜ˆ: ๋ฉ€ํ‹ฐ๋ฏธ๋””์–ด ์‘์šฉํ”„๋กœ๊ทธ๋žจ ์Šคํ† ๋ฆฌ์ง€)์—์„œ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒฝ์šฐ, ๋‹จ์ผ ๋ฐ์ดํ„ฐ ์ŠคํŠธ๋ผ์ด ํ”„๋กœ ๋‹จ์ผ I/O ์š”์ฒญ์„ ์„œ๋น„์Šคํ•  ๋•Œ ์„ฑ๋Šฅ์„ ์ตœ์ ํ™”ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค(๋ฐ์ดํ„ฐ ์Šคํ† ๋ฆฌ์ง€์— ์‚ฌ์šฉ๋œ ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ ์ˆ˜์™€ ์„ธ๊ทธ ๋จผํŠธ ํฌ๊ธฐ๋ฅผ ๊ณฑํ•œ ๊ฐ’). ์ด ๊ฒฝ์šฐ, ๋™์ผํ•œ ์š”์ฒญ์— ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๋””์Šคํฌ๊ฐ€ ์‚ฌ์šฉ๋˜์ง€๋งŒ ๊ฐ ๋””์Šคํฌ์—๋Š” ํ•œ ๋ฒˆ๋งŒ ์•ก์„ธ์Šค๋ฉ๋‹ˆ๋‹ค.

๊ฐ€์ƒ ๋””์Šคํฌ ์šฉ๋Ÿ‰ ํ™•์žฅ

๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ๊ตฌ์„ฑํ•  ๋•Œ, ์ €์žฅํ•  ๋ฐ์ดํ„ฐ์˜ ์–‘์„ ๊ธฐ์ค€์œผ๋กœ ์šฉ๋Ÿ‰์„ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ ๋””์Šคํฌ ๊ทธ๋ฃน์— ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ์šฉ๋Ÿ‰์„ ์ถ”๊ฐ€ํ•˜์—ฌ ํ‘œ ์ค€ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๊ฐ€์ƒ ๋””์Šคํฌ ์šฉ๋Ÿ‰์„ ๋Š˜๋ฆด ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด๋ ‡๊ฒŒ ํ•˜๋ฉด ๊ธฐ์กด ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ํ™•์žฅํ•˜๊ฑฐ๋‚˜ ์ƒˆ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์‚ฌ์šฉ๋˜์ง€ ์•Š ์€ ๊ณต๊ฐ„์„ ๋” ๋งŽ์ด ํ™•๋ณดํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๊ฐ€์ƒ ๋””์Šคํฌ ์šฉ๋Ÿ‰ ํ™•์žฅ์— ๋Œ€ํ•œ ์ž์„ธํ•œ ๋‚ด์šฉ์€ ๊ฐ€์ƒ ๋””์Šคํฌ ํ™•์žฅ ํŽ˜์ด์ง€ 81์„ ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.

๋””์Šคํฌ ๊ทธ๋ฃน ํ™•์žฅ

์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์€ ํ•ซ ์Šค์™‘ ๊ฐ€๋Šฅํ•œ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์ง€์›ํ•˜๋ฏ€๋กœ, ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์ด ์˜จ๋ผ์ธ ์ƒํƒœ์ผ ๋•Œ ๊ฐ ๋””์Šคํฌ ๊ทธ๋ฃน์„ ์œ„ํ•œ ๋‘ ๊ฐœ์˜ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ํ•œ ๋ฒˆ์— ์ถ”๊ฐ€ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ „์ฒด ์ž‘์—… ์ค‘์— ๊ฐ€์ƒ ๋””์Šคํฌ ๊ทธ๋ฃน, ๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ ๋ฌผ๋ฆฌ ๋””์Šคํฌ์˜ ๋ฐ์ดํ„ฐ์— ์•ก์„ธ์Šคํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ ๋‹ค. ํ•ด๋‹น ๋ฐ์ดํ„ฐ์™€ ์‚ฌ์šฉ๋˜์ง€ ์•Š์€ ์ฆ๊ฐ€๋œ ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ๊ณต๊ฐ„์€ ๋””์Šคํฌ ๊ทธ๋ฃน ์ „๋ฐ˜์— ๋™์ ์œผ๋กœ ์žฌ๋ถ„์‚ฐ๋ฉ๋‹ˆ๋‹ค. RAID ํŠน์ง•๋„ ์ „์ฒด์ ์œผ๋กœ ๋””์Šคํฌ ๊ทธ๋ฃน์— ๋‹ค์‹œ ์ ์šฉ๋ฉ๋‹ˆ๋‹ค.

๋””์Šคํฌ ๊ทธ๋ฃน ์กฐ๊ฐ ๋ชจ์Œ

์กฐ๊ฐ ๋ชจ์Œ์€ ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ์šฉ๋Ÿ‰์„ ์ธ์ ‘ํ•œ ํ•˜๋‚˜์˜ ์˜์—ญ์— ํ†ตํ•ฉํ•ฉ๋‹ˆ๋‹ค. ์กฐ๊ฐ ๋ชจ์Œ์€ ๋ฐ์ดํ„ฐ๊ฐ€ ๊ฐ€์ƒ ๋””์Šคํฌ์— ์ €์žฅ๋œ ๋ฐฉ๋ฒ• ์„ ๋ณ€๊ฒฝํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

๋””์Šคํฌ ๊ทธ๋ฃน ์ž‘์—… ์ œํ•œ

์„ค์น˜๋œ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ๋‹น ํ™œ์„ฑ ์ƒํƒœ์˜ ๋™์‹œ ๋””์Šคํฌ ๊ทธ๋ฃน ํ”„๋กœ์„ธ์Šค ์ˆ˜๋Š” ์ตœ๋Œ€ 1๊ฐœ์ž…๋‹ˆ๋‹ค. ์ด ์ œํ•œ์‚ฌํ•ญ์€ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๋””์Šคํฌ ๊ทธ๋ฃน ํ”„๋กœ์„ธ์Šค์— ์ ์šฉ๋ฉ๋‹ˆ๋‹ค.
โ€ข ๊ฐ€์ƒ ๋””์Šคํฌ RAID ๋ ˆ๋ฒจ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜
โ€ข ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜
โ€ข ๊ฐ€์ƒ ๋””์Šคํฌ ์šฉ๋Ÿ‰ ํ™•์žฅ
โ€ข ๋””์Šคํฌ ๊ทธ๋ฃน ํ™•์žฅ
โ€ข ๋””์Šคํฌ ๊ทธ๋ฃน ์กฐ๊ฐ ๋ชจ์Œ
MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด 21
๊ธฐ์กด ๋””์Šคํฌ ๊ทธ๋ฃน ํ”„๋กœ์„ธ์Šค์—์„œ ์ค‘๋ณต RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์— ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•˜๋Š” ๊ฒฝ์šฐ, ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•œ ์ปจํŠธ๋กค๋Ÿฌ์˜ ํ”„๋กœ์„ธ์Šค๋Š” ํ”ผ์–ด ์ปจํŠธ ๋กค๋Ÿฌ๋กœ ์ด์ „๋ฉ๋‹ˆ๋‹ค. ํ”ผ์–ด ์ปจํŠธ๋กค๋Ÿฌ์— ํ™œ์„ฑ ์ƒํƒœ์˜ ๋””์Šคํฌ ๊ทธ๋ฃน ํ”„๋กœ์„ธ์Šค๊ฐ€ ์žˆ์„ ๊ฒฝ์šฐ ์ด์ „๋œ ํ”„๋กœ์„ธ์Šค๋Š” ์ผ์‹œ ์ค‘์ง€๋จ ์ƒํƒœ๊ฐ€ ๋ฉ๋‹ˆ๋‹ค. ์ผ์‹œ ์ค‘์ง€๋œ ํ”„๋กœ์„ธ์Šค๋Š” ํ”ผ์–ด ์ปจํŠธ๋กค๋Ÿฌ์˜ ํ™œ์„ฑ ํ”„๋กœ์„ธ์Šค๊ฐ€ ์™„๋ฃŒ๋˜๊ฑฐ๋‚˜ ์ค‘์ง€๋˜๋ฉด ์žฌ๊ฐœ๋ฉ๋‹ˆ๋‹ค.
๋…ธํŠธ: ๊ธฐ์กด์˜ ํ™œ์„ฑ ํ”„๋กœ์„ธ์Šค๊ฐ€ ์—†๋Š” ์ปจํŠธ๋กค๋Ÿฌ์—์„œ ๋””์Šคํฌ ๊ทธ๋ฃน์„ ์‹œ์ž‘ํ•˜๋ ค๊ณ  ์‹œ๋„ํ•˜๋ฉด, ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ์ฒซ ๋ฒˆ์งธ ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ๋‹ค
๋ฅธ ์ปจํŠธ๋กค๋Ÿฌ์˜ ์†Œ์œ ์ด๊ณ  ๋‹ค๋ฅธ ์ปจํŠธ๋กค๋Ÿฌ์— ํ™œ์„ฑ ํ”„๋กœ์„ธ์Šค๊ฐ€ ์žˆ๋Š” ๊ฒฝ์šฐ ์‹œ์ž‘ ์‹œ๋„์— ์‹คํŒจํ•ฉ๋‹ˆ๋‹ค.

RAID ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์ž‘์—… ์šฐ์„  ์ˆœ์œ„

์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์€ ๋‹ค์Œ๊ณผ ๊ฐ™์€ RAID ์ž‘์—…์— ๋Œ€ํ•œ ์ผ๋ฐ˜์ ์ธ ๊ตฌ์„ฑ ๊ฐ€๋Šฅํ•œ ์šฐ์„ ์ˆœ์œ„๋ฅผ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ๋ฐฐ๊ฒฝ ์ดˆ๊ธฐํ™”
โ€ข ์žฌ๊ตฌ์ถ•
โ€ข ์นดํ”ผ๋ฐฑ
โ€ข ๊ฐ€์ƒ ๋””์Šคํฌ ์šฉ๋Ÿ‰ ํ™•์žฅ
โ€ข RAID ๋ ˆ๋ฒจ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜
โ€ข ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜
โ€ข ๋””์Šคํฌ ๊ทธ๋ฃน ํ™•์žฅ
โ€ข ๋””์Šคํฌ ๊ทธ๋ฃน ์กฐ๊ฐ ๋ชจ์Œ
์ด๋Ÿฌํ•œ ์ž‘์—…์˜ ๊ฐ ์šฐ์„ ์ˆœ์œ„๋Š” ์ž‘์—…์ด ์‹คํ–‰๋  ํ™˜๊ฒฝ์˜ ์„ฑ๋Šฅ ์š”๊ตฌ์‚ฌํ•ญ์— ๋งž๊ฒŒ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๋…ธํŠธ: ์šฐ์„ ์ˆœ์œ„ ์ˆ˜์ค€์„ ๋†’๊ฒŒ ์„ค์ •ํ•˜๋ฉด ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด ์„ฑ๋Šฅ์— ์˜ํ–ฅ์„ ์ค๋‹ˆ๋‹ค. ์šฐ์„ ์ˆœ์œ„๋ฅผ ์ตœ๋Œ€ ์ˆ˜์ค€์œผ๋กœ ์„ค์ •ํ•˜์ง€ ์•Š๋Š” ๊ฒƒ์ด ์ข‹์Šต
๋‹ˆ๋‹ค. ๋˜ํ•œ ์šฐ์„ ์ˆœ์œ„๋Š” ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„ ์•ก์„ธ์Šค์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ๊ณผ ์ž‘์—… ์™„๋ฃŒ ์‹œ๊ฐ„๊ณผ ๊ด€๋ จํ•˜์—ฌ ํ‰๊ฐ€ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ์ €ํ•˜๋œ ๊ฐ€ ์ƒ ๋””์Šคํฌ์˜ ์žฌ๊ตฌ์ถ• ์ž‘์—… ์‹œ๊ฐ„์ด ์˜ค๋ž˜ ๊ฑธ๋ฆด์ˆ˜๋ก ๋ณด์กฐ ๋””์Šคํฌ์— ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•  ์œ„ํ—˜์ด ๋†’์Šต๋‹ˆ๋‹ค.

๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ๋ฐ ๋””์Šคํฌ ๋กœ๋ฐ

๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์€ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ๋ถ„๋ฆฌํ–ˆ๋‹ค๊ฐ€ ์ƒˆ ๋ฐฐ์—ด์— ๋‹ค์‹œ ์—ฐ๊ฒฐํ•˜์—ฌ ๋ฐฐ์—ด ๊ฐ„์— ๊ฐ€์ƒ ๋””์Šคํฌ ๋˜๋Š” ํ•ซ์ŠคํŽ˜์–ด๋ฅผ ์ด๋™ํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๋””์Šคํฌ ๋กœ๋ฐ์€ ๋™์ผํ•œ ๋ฐฐ์—ด์—์„œ ์Šฌ๋กฏ ๊ฐ„์— ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์ด๋™ํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.

๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜

ํƒ€๊ฒŸ ์–ด๋ ˆ์ด๋ฅผ ์˜คํ”„๋ผ์ธ์œผ๋กœ ์ „ํ™˜ํ•˜์ง€ ์•Š๊ณ ๋„ ์–ด๋ ˆ์ด ๊ฐ„์— ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์ด๋™ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜๋˜๋Š” ๋””์Šคํฌ ๊ทธ ๋ฃน์ด ์˜คํ”„๋ผ์ธ ์ƒํƒœ์—ฌ์•ผ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์„ ์ˆ˜ํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์„ ์ˆ˜ํ–‰ํ•˜๊ธฐ ์ „์— ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ์ƒํƒœ๊ฐ€ ์˜คํ”„๋ผ์ธ ์ด ์•„๋‹ ๊ฒฝ์šฐ, ๋””์Šคํฌ ๊ทธ๋ฃน ๋‚ด์˜ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ๋ฐ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ํฌํ•จํ•˜๋Š” ์†Œ์Šค ์–ด๋ ˆ์ด๋Š” ํ•ด๋‹น ๋””์Šคํฌ๊ฐ€ ์—†๋‹ค๊ณ  ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค. ํ•˜์ง€๋งŒ ๋””์Šคํฌ ๊ทธ๋ฃน ์ž์ฒด๋Š” ํƒ€๊ฒŸ ์–ด๋ ˆ์ด์— ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜๋ฉ๋‹ˆ๋‹ค.
์–ด๋ ˆ์ด๊ฐ€ optimal(์ตœ์ ) ์ƒํƒœ์—ฌ์•ผ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ๊ฐ€์ ธ์˜ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๋ชจ๋“  ๊ตฌ์„ฑ์›์ด ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜๋˜๋Š” ๊ฒฝ์šฐ์—๋งŒ ๋””์Šค ํฌ ๊ทธ๋ฃน์— ์†ํ•˜๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์ด๋™ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋Œ€์ƒ ์–ด๋ ˆ์ด์—์„œ ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๋ชจ๋“  ๋””์Šคํฌ ๊ฐ€์ ธ์˜ค๊ธฐ๊ฐ€ ์™„๋ฃŒ๋œ ํ›„์—๋Š” ๊ฐ€์ƒ ๋”” ์Šคํฌ๊ฐ€ ์ž๋™์œผ๋กœ ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•˜๊ฒŒ ๋ฉ๋‹ˆ๋‹ค.
์‹ค์ œ ๋””์Šคํฌ ๋˜๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜:
โ€ข ๋™์ผํ•œ ์œ ํ˜•์˜ MD ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๊ฐ„์— ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•˜๋Š” ๊ฒฝ์šฐ(์˜ˆ: MD3460 ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ๋‹ค๋ฅธ MD3460 ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ ์ด๋กœ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜), ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ๋Œ€์ƒ์ธ MD ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋Š” ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ์†Œ์Šค MD ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ๋ฐฐ์น˜๋œ ๋ชจ๋“  ๋ฐ์ดํ„ฐ ๊ตฌ์กฐ ๋ฐ/๋˜๋Š” ๋ฉ”ํƒ€๋ฐ์ดํ„ฐ๋ฅผ ์ธ์‹ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ๋Œ€์ƒ MD ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๊ฐ€ ์•„๋‹Œ ๋‹ค๋ฅธ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•˜๋Š” ๊ฒฝ์šฐ(์˜ˆ: MD3460 ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ์„œ MD3860i ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋กœ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜), ์ˆ˜์‹ ํ•˜๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด(MD3860i ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด)์€ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•˜๋Š” ๋ฉ”ํƒ€ ๋ฐ์ดํ„ฐ๋ฅผ ์ธ์‹ํ•˜์ง€ ์•Š์•„ ๋ฐ์ดํ„ฐ๊ฐ€ ์œ ์‹ค๋ฉ๋‹ˆ๋‹ค. ์ด ๊ฒฝ์šฐ, ์ˆ˜์‹ ํ•˜๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๊ฐ€ ์‹ค์ œ ๋””์Šคํฌ๋ฅผ ์ดˆ๊ธฐํ™”ํ•˜๊ณ  ํ•ด๋‹น ๋””์Šคํฌ๋ฅผ ๊ตฌ์„ฑ๋˜์ง€ ์•Š์€ ์šฉ๋Ÿ‰์œผ๋กœ ํ‘œ์‹œํ•ฉ๋‹ˆ๋‹ค.
๋…ธํŠธ: ๋ชจ๋“  ๊ตฌ์„ฑ์› ์‹ค์ œ ๋””์Šคํฌ๊ฐ€ ์žˆ๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน ๋ฐ ๊ด€๋ จ ๊ฐ€์ƒ ๋””์Šคํฌ๋งŒ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๊ฐ„์— ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๋ชจ๋“  ๊ด€๋ จ ๊ตฌ์„ฑ์› ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์ƒํƒœ๊ฐ€ optimal(์ตœ์ )์ธ ๋””์Šคํฌ ๊ทธ๋ฃน๋งŒ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•˜๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค.
๋…ธํŠธ: ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๊ฐ€ ์ง€์›ํ•˜๋Š” ์‹ค์ œ ๋””์Šคํฌ ๋ฐ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์ˆ˜์— ๋”ฐ๋ผ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ๋ฒ”์œ„๊ฐ€ ์ œํ•œ๋ฉ๋‹ˆ๋‹ค.
๋””์Šคํฌ ๊ทธ๋ฃน ๋ฐ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์ด๋™ํ•˜๋ ค๋ฉด ๋‹ค์Œ ๋ฐฉ๋ฒ• ์ค‘ ํ•˜๋‚˜๋ฅผ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.
โ€ข Hot virtual disk migration(ํ•ซ ๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜) โ€” ๋ชฉ์ ์ง€ ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์˜ ์ „์›์ด ์ผœ์ง„ ์ƒํƒœ์—์„œ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜.
โ€ข Cold virtual disk migration(์ฝœ๋“œ ๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜) โ€” ๋ชฉ์ ์ง€ ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์˜ ์ „์›์ด ๊บผ์ง„ ์ƒํƒœ์—์„œ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด ์…˜.
22 MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด
๋…ธํŠธ: ๋Œ€์ƒ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ๊ธฐ์กด ์‹ค์ œ ๋””์Šคํฌ๊ฐ€ ํฌํ•จ๋˜์–ด ์žˆ์„ ๋•Œ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•˜๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน ๋ฐ ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ
์ธ์‹๋˜๋„๋ก ํ•˜๋ ค๋ฉด, ํ•ซ ๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์„ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.
๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์„ ์‹œ๋„ํ•  ๋•Œ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ถŒ์žฅ์‚ฌํ•ญ์„ ๋”ฐ๋ฅด์‹ญ์‹œ์˜ค.
โ€ข ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์„ ์œ„ํ•ด ๋Œ€์ƒ ์–ด๋ ˆ์ด๋กœ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ ์ด๋™ - ํ•ซ ๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์„ ์ˆ˜ํ–‰ํ•˜๋Š” ๋™์•ˆ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๋ฅผ ๋Œ€์ƒ
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ์‚ฝ์ž…ํ•œ ๊ฒฝ์šฐ, ๋‹ค์Œ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๋ฅผ ์‚ฝ์ž…ํ•˜๊ธฐ ์ „์— ์‚ฝ์ž…๋œ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๊ฐ€ MD Storage Manager์— ํ‘œ์‹œ๋  ๋•Œ ๊นŒ์ง€ ๊ธฐ๋‹ค๋ฆฌ๊ฑฐ๋‚˜ 30์ดˆ๊ฐ„ ๊ธฐ๋‹ค๋ฆฝ๋‹ˆ๋‹ค(๋จผ์ € ๋ฐœ์ƒํ•œ ์ˆœ์„œ๋กœ).
๋…ธํŠธ: ๋ฌผ๋ฆฌ ๋””์Šคํฌ ์‚ฝ์ž… ์ ˆ์ฐจ์— ๊ฐ„๊ฒฉ์ด ์—†๋Š” ๊ฒฝ์šฐ, ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์€ ๋ถˆ์•ˆ์ •ํ•œ ์ƒํƒœ๊ฐ€ ๋  ์ˆ˜ ์žˆ๊ณ  ๊ด€๋ฆฌ์„ฑ ์†์‹ค์ด ์ผ์‹œ์ ์œผ๋กœ ๋ฐœ
์ƒ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ์—ฌ๋Ÿฌ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ๋‹จ์ผ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋กœ ๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ - ์—ฌ๋Ÿฌ ๊ฐœ์˜ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ๋‹จ์ผ ๋Œ€์ƒ ์Šคํ†  ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋กœ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•˜๋Š” ๊ฒฝ์šฐ, ๋™์ผํ•œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋ชจ๋“  ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๋ฅผ ์ƒˆ ๋Œ€์ƒ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์— ์„ธํŠธ๋กœ ์ด๋™ํ•ฉ๋‹ˆ๋‹ค. ๋‹ค์Œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜์„ ์‹œ์ž‘ํ•˜๊ธฐ ์ „์—, ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋ชจ๋“  ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๋ฅผ ๋Œ€์ƒ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
๋…ธํŠธ: ๋ฌผ๋ฆฌ ๋””์Šคํฌ ๋ชจ๋“ˆ์ด ๋ชฉ์ ์ง€ ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์— ๋Œ€ํ•œ ์„ธํŠธ๋กœ ์ด๋™๋˜์ง€ ์•Š์€ ๊ฒฝ์šฐ ์ƒˆ๋กœ ์žฌ๋ฐฐ์น˜๋œ ๋””์Šคํฌ ๊ทธ๋ฃน์€ ์•ก์„ธ์Šค๊ฐ€
๋ถˆ๊ฐ€๋Šฅํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ๊ธฐ์กด ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๊ฐ€ ์—†๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ - ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋””์Šคํฌ ๊ทธ๋ฃน ๋˜๋Š” ์ „์ฒด ๋ฌผ๋ฆฌ์  ๋”” ์Šคํฌ ์„ธํŠธ๋ฅผ ๊ธฐ์กด ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๊ฐ€ ์—†๋Š” ๋‹ค๋ฅธ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋กœ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•˜๋Š” ๊ฒฝ์šฐ, ๋Œ€์ƒ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์ „์›์„ ๋•๋‹ˆ ๋‹ค. ๋Œ€์ƒ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์ „์›์ด ์ผœ์ง€๊ณ  ์ƒˆ๋กœ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜๋œ ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๊ฐ€ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ์ธ์‹๋˜๋ฉด ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ์ž‘์—…์„ ๊ณ„์† ์ง„ํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๋…ธํŠธ: ๊ธฐ์กด ์‹ค์ œ ๋””์Šคํฌ๊ฐ€ ์—†๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ์—ฌ๋Ÿฌ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋””์Šคํฌ ๊ทธ๋ฃน์„ ๋™์‹œ์— ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•˜์ง€ ์•Š์•„์•ผ
ํ•ฉ๋‹ˆ๋‹ค. ๋‹จ์ผ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋””์Šคํฌ ๊ทธ๋ฃน์„ ์œ„ํ•œ ์ฝœ๋“œ ๊ฐ€์ƒ ๋””์Šคํฌ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ๋ฐฉ๋ฒ•์„ ์‚ฌ์šฉํ•˜์‹ญ์‹œ์˜ค.
โ€ข ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ ์ „์— Premium ๊ธฐ๋Šฅ ํ™œ์„ฑํ™” - ๋””์Šคํฌ ๊ทธ๋ฃน ๋ฐ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•˜๊ธฐ ์ „์—, ๋Œ€์ƒ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ํ•„ ์š”ํ•œ Premium ๊ธฐ๋Šฅ์„ ํ™œ์„ฑํ™”ํ•ฉ๋‹ˆ๋‹ค. ๋””์Šคํฌ ๊ทธ๋ฃน์„ ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜ํ•˜๋Š” ์†Œ์Šค ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— Premium ๊ธฐ๋Šฅ์ด ํ™œ์„ฑํ™”๋˜์–ด ์žˆ์ง€ ๋งŒ ๋Œ€์ƒ ์–ด๋ ˆ์ด์—๋Š” ์ด ๊ธฐ๋Šฅ์ด ํ™œ์„ฑํ™”๋˜์–ด ์žˆ์ง€ ์•Š์œผ๋ฉด Out of Compliance(๊ทœ์ •์„ ์ค€์ˆ˜ํ•˜์ง€ ์•Š์Œ) ์˜ค๋ฅ˜ ๋ฉ”์‹œ์ง€๊ฐ€ ํ‘œ์‹œ๋  ์ˆ˜ ์žˆ ์Šต๋‹ˆ๋‹ค.

๋””์Šคํฌ ๋กœ๋ฐ

๋ฐฐ์—ด ๋‚ด์—์„œ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์ด๋™ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์€ ์ด๋™๋œ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์ž๋™์œผ๋กœ ์ธ์‹ํ•˜์—ฌ ๋””์Šคํฌ ๊ทธ๋ฃน์— ์†ํ•˜ ๋Š” ์˜ฌ๋ฐ”๋ฅธ ๊ฐ€์ƒ ๋””์Šคํฌ์— ๋…ผ๋ฆฌ์ ์œผ๋กœ ๋ฐฐ์น˜ํ•ฉ๋‹ˆ๋‹ค. ๋””์Šคํฌ ๋กœ๋ฐ์€ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์ด ์˜จ๋ผ์ธ ์ƒํƒœ์ด๊ฑฐ๋‚˜ ์ „์›์ด ๊บผ์ง„ ์ƒํƒœ์—์„œ ํ—ˆ ์šฉ๋ฉ๋‹ˆ๋‹ค.
๋…ธํŠธ: ๋””์Šคํฌ ๊ทธ๋ฃน์€ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์ด๋™ํ•˜๊ธฐ ์ „์— ๋‚ด๋ณด๋‚ด๊ธฐ ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘

์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์— ์—ฐ๊ฒฐ๋œ ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„๋Š” ํ˜ธ์ŠคํŠธ ํฌํŠธ๋ฅผ ํ†ตํ•ด ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์˜ ๋‹ค์–‘ํ•œ ๊ฐ€์ƒ ๋””์Šคํฌ์— ์•ก์„ธ์Šคํ•ฉ๋‹ˆ๋‹ค. ๊ฐœ๋ณ„ ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„ ์— ๋Œ€ํ•ด ํŠน์ • ๊ฐ€์ƒ ๋””์Šคํฌ-LUN ๋งคํ•‘์„ ์ •์˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋˜ํ•œ ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„๋Š” ํ•˜๋‚˜ ์ด์ƒ์˜ ๊ฐ€์ƒ ๋””์Šคํฌ์— ๋Œ€ํ•œ ์•ก์„ธ์Šค๋ฅผ ๊ณต์œ ํ•˜๋Š” ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน์— ์†ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘์„ ์ˆ˜๋™์œผ๋กœ ๊ตฌ์„ฑํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘์„ ๊ตฌ ์„ฑํ•  ๋•Œ ๋‹ค์Œ ์ง€์นจ์„ ๊ณ ๋ คํ•˜์‹ญ์‹œ์˜ค.
โ€ข ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์—์„œ ๊ฐ๊ฐ์˜ ๊ฐ€์ƒ ๋””์Šคํฌ์— ๋Œ€ํ•ด 1๊ฐœ์˜ ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘์„ ์ •์˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘์€ ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์—์„œ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ๊ฐ„์— ๊ณต์œ ๋ฉ๋‹ˆ๋‹ค.
โ€ข ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน ๋˜๋Š” ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„์—์„œ ๊ฐ€์ƒ ๋””์Šคํฌ์— ์•ก์„ธ์Šคํ•˜๋ ค๋ฉด ๊ณ ์œ ํ•œ LUN์„ ์‚ฌ์šฉํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์ผ๋ถ€ ์šด์˜ ์ฒด์ œ์—์„œ๋Š” ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ LUN ์ˆ˜๊ฐ€ ๋‹ค๋ฅผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

ํ˜ธ์ŠคํŠธ ์œ ํ˜•

ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„๋Š” ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์— ์•ก์„ธ์Šคํ•˜๋Š” ์„œ๋ฒ„๋กœ์„œ, ๊ฐ€์ƒ ๋””์Šคํฌ์— ๋งคํ•‘๋˜๊ณ  ํ•˜๋‚˜ ์ด์ƒ์˜ iSCSI ์ดˆ๊ธฐ์ž ํฌํŠธ๋ฅผ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค. ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„์˜ ํŠน์„ฑ์€ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.
โ€ข ํ˜ธ์ŠคํŠธ ์ด๋ฆ„ โ€” ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„๋ฅผ ๊ณ ์œ ํ•˜๊ฒŒ ์‹๋ณ„ํ•˜๋Š” ์ด๋ฆ„์ž…๋‹ˆ๋‹ค.
โ€ข ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน(ํด๋Ÿฌ์Šคํ„ฐ ์†”๋ฃจ์…˜์—๋งŒ ์‚ฌ์šฉ๋จ) โ€” ๋™์ผํ•œ ๊ฐ€์ƒ ๋””์Šคํฌ์— ๋Œ€ํ•œ ์•ก์„ธ์Šค ๊ถŒํ•œ์„ ๊ณต์œ ํ•˜๊ธฐ ์œ„ํ•ด ํ•จ๊ป˜ ์—ฐ๊ฒฐ๋œ ๋‘˜ ์ด์ƒ์˜ ํ˜ธ ์ŠคํŠธ ์„œ๋ฒ„์ž…๋‹ˆ๋‹ค.
๋…ธํŠธ: ์ด ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน์€ MD ์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž์—์„œ ์ƒ์„ฑํ•  ์ˆ˜ ์žˆ๋Š” ๋…ผ๋ฆฌ ์—”ํ„ฐํ‹ฐ์ž…๋‹ˆ๋‹ค. ํ˜ธ์ŠคํŠธ ๊ทธ๋ฃน์— ์žˆ๋Š” ๋ชจ๋“  ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„
๋Š” ๋™์ผํ•œ ์šด์˜ ์ฒด์ œ๋ฅผ ์‹คํ–‰ํ•˜๊ณ  ์žˆ์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ํ˜ธ์ŠคํŠธ ์œ ํ˜• โ€” ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„์—์„œ ์‹คํ–‰๋˜๋Š” ์šด์˜ ์ฒด์ œ์ž…๋‹ˆ๋‹ค.
MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด 23

๊ณ ๊ธ‰ ๊ธฐ๋Šฅ

RAID ์ธํด๋กœ์ €๋Š” ๋ช‡ ๊ฐ€์ง€ ๊ณ ๊ธ‰ ๊ธฐ๋Šฅ์„ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ๊ฐ€์ƒ ๋””์Šคํฌ ์Šค๋ƒ…์ƒท
โ€ข ๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ
๋…ธํŠธ: ์œ„์— ๋‚˜์—ด๋œ ํ”„๋ฆฌ๋ฏธ์—„ ๊ธฐ๋Šฅ์€ ๋ณ„๋„๋กœ ํ™œ์„ฑํ™”ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ๊ธฐ๋Šฅ์„ ๊ตฌ๋งคํ•˜๋ฉด ๊ธฐ๋Šฅ ํ™œ์„ฑํ™”์— ๋Œ€ํ•œ ์ง€์นจ์ด ํฌํ•จ๋œ ํ™œ์„ฑ
ํ™” ์นด๋“œ๊ฐ€ ํ•จ๊ป˜ ๋ฐฐ์†ก๋ฉ๋‹ˆ๋‹ค.

์ง€์›๋˜๋Š” ์Šค๋ƒ…์ƒท ๊ธฐ๋Šฅ ์œ ํ˜•

๋‹ค์Œ ์œ ํ˜•์˜ ๊ฐ€์ƒ ๋””์Šคํฌ ์Šค๋ƒ…์ƒท ํ”„๋ฆฌ๋ฏธ์—„ ๊ธฐ๋Šฅ์ด MD ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์—์„œ ์ง€์›๋ฉ๋‹ˆ๋‹ค.
โ€ข ๋‹ค์ค‘ ์‹œ์ (PiT: point-in-time) ๊ทธ๋ฃน์„ ์‚ฌ์šฉํ•˜๋Š” ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ โ€” ์ด ๊ธฐ๋Šฅ์€ ์Šค๋ƒ…์ƒท ๊ทธ๋ฃน, ์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€ ๋ฐ ์ผ๊ด€์„ฑ ๊ทธ๋ฃน๋„ ์ง€
์›ํ•ฉ๋‹ˆ๋‹ค.
์ž์„ธํ•œ ๋‚ด์šฉ์€ ํ”„๋ฆฌ๋ฏธ์—„ ๊ธฐ๋Šฅ--์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.
์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ, ์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€ ๋ฐ ์Šค๋ƒ…์ƒท ๊ทธ๋ฃน
์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€๋Š” ํŠน์ • ์‹œ์ (poin-in-time)์— ์ƒ์„ฑ๋œ ์—ฐ๊ฒฐ๋œ ๊ธฐ๋ณธ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์ฝ˜ํ…์ธ ์— ๋Œ€ํ•œ ๋…ผ๋ฆฌ ์ด๋ฏธ์ง€์ž…๋‹ˆ๋‹ค. ์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€๊ฐ€ ๊ธฐ๋ณธ ๊ฐ€์ƒ ๋””์Šคํฌ์—์„œ ๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋˜๊ธฐ ๋•Œ๋ฌธ์— ์ด๋Ÿฌํ•œ ์œ ํ˜•์˜ ์ด๋ฏธ์ง€๋Š” ํ˜ธ์ŠคํŠธ๋กœ ์ง์ ‘ ์ฝ๊ฑฐ๋‚˜ ์“ธ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค. ํ˜ธ์ŠคํŠธ ๊ฐ€ ์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€์— ์žˆ๋Š” ๋ฐ์ดํ„ฐ์˜ ๋ณต์‚ฌ๋ณธ์— ์•ก์„ธ์Šคํ•  ์ˆ˜ ์žˆ๋„๋ก ํ—ˆ์šฉํ•˜๋ ค๋ฉด ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์ƒ์„ฑํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์ด ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ์—๋Š” ํ˜ธ์ŠคํŠธ ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์—์„œ ์ฐธ์กฐ๋œ ์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€์— ์˜ํ–ฅ์„ ์ฃผ์ง€ ์•Š๊ณ  ์ˆ˜์ •ํ•œ ์ดํ›„์˜ ๋‚ด์šฉ์„ ์ €์žฅํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋˜๋Š” ๊ณ  ์œ ํ•œ ์ €์žฅ์†Œ๊ฐ€ ํฌํ•จ๋ฉ๋‹ˆ๋‹ค.
์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€๋Š” ์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€๋ฅผ ์ƒ์„ฑํ•  ๋‚ ์งœ์™€ ์‹œ๊ฐ„์„ ์ •์˜ํ•˜๋Š” ์ผ์ •์„ ์„ค์ •ํ•˜์—ฌ ์ˆ˜๋™ ๋˜๋Š” ์ž๋™์œผ๋กœ ์ƒ์„ฑํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋‹ค์Œ ๊ฐœ ์ฒด๋ฅผ ์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€์— ํฌํ•จ์‹œํ‚ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ํ‘œ์ค€ ๊ฐ€์ƒ ๋””์Šคํฌ
โ€ข ์”ฌ ํ”„๋กœ๋น„์ €๋‹ ๊ฐ€์ƒ ๋””์Šคํฌ
โ€ข ์ผ๊ด€์„ฑ ๊ทธ๋ฃน
์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€๋ฅผ ์ƒ์„ฑํ•˜๋ ค๋ฉด ๋จผ์ € ์Šค๋ƒ…์ƒท ๊ทธ๋ฃน๊ณผ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์œ„ํ•œ ์˜ˆ๋น„ ์Šค๋ƒ…์ƒท ์ €์žฅ์†Œ ๊ณต๊ฐ„์„ ์ƒ์„ฑํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ์ €์žฅ์†Œ ๊ณต๊ฐ„์€ ํ˜„ ์žฌ ๊ฐ€์ƒ ๋””์Šคํฌ ์˜ˆ๋น„ ๊ณต๊ฐ„์˜ ๋น„์œจ์„ ๊ธฐ๋ฐ˜์œผ๋กœ ํ•ฉ๋‹ˆ๋‹ค.
์Šค๋ƒ…์ƒท ๊ทธ๋ฃน์—์„œ ๊ฐ€์žฅ ์˜ค๋ž˜๋œ ์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€๋Š” ์ˆ˜๋™์œผ๋กœ ์‚ญ์ œํ•˜๊ฑฐ๋‚˜ ์Šค๋ƒ…์ƒท ๊ทธ๋ฃน์— ๋Œ€ํ•œ Auto-Delete(์ž๋™ ์‚ญ์ œ) ์„ค์ •์„ ํ™œ์„ฑํ™”ํ•˜ ์—ฌ ํ”„๋กœ์„ธ์Šค๋ฅผ ์ž๋™ํ™”ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€๋ฅผ ์‚ญ์ œํ•˜๋ฉด ์‹œ์Šคํ…œ์—์„œ ํ•ด๋‹น ์ •์˜๊ฐ€ ์ œ๊ฑฐ๋˜๊ณ  ์ €์žฅ์†Œ์˜ ์Šค๋ƒ…์ƒท ์ด๋ฏธ์ง€๊ฐ€ ์ฐจ์ง€ ํ–ˆ๋˜ ๊ณต๊ฐ„์ด ํ•ด์ œ๋˜์–ด ์Šค๋ƒ…์ƒท ๊ทธ๋ฃน ๋‚ด์—์„œ ๋‹ค์‹œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ

๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ž‘์—…์— ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ํ”„๋ฆฌ๋ฏธ์—„ ๊ธฐ๋Šฅ์ž…๋‹ˆ๋‹ค.
โ€ข ๋ฐ์ดํ„ฐ๋ฅผ ๋ฐฑ์—…ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์šฉ๋Ÿ‰์ด ์ ์€ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน์—์„œ ์šฉ๋Ÿ‰์ด ํฐ ๋ฌผ๋ฆฌ ๋””์Šคํฌ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน์œผ๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณต์‚ฌํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์›๋ณธ ๊ฐ€์ƒ ๋””์Šคํฌ์— ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณต์›ํ•ฉ๋‹ˆ๋‹ค.
๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์›๋ณธ ๊ฐ€์ƒ ๋””์Šคํฌ์—์„œ ๋Œ€์ƒ ๊ฐ€์ƒ ๋””์Šคํฌ๋กœ ๋ฐ์ดํ„ฐ์˜ ์ „์ฒด ๋ณต์‚ฌ๋ฅผ ์ƒ์„ฑํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์†Œ์Šค ๊ฐ€์ƒ ๋””์Šคํฌ - ๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ๋ฅผ ์ƒ์„ฑํ•˜๋ฉด ์†Œ์Šค ๊ฐ€์ƒ ๋””์Šคํฌ์™€ ํƒ€๊ฒŸ ๊ฐ€์ƒ ๋””์Šคํฌ๋กœ ๊ตฌ์„ฑ๋œ ๋ณต์‚ฌ ์Œ์ด ๋™์ผํ•œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ ์ด์— ์ƒ์„ฑ๋ฉ๋‹ˆ๋‹ค. ๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ๊ฐ€ ์‹œ์ž‘๋˜๋ฉด ์†Œ์Šค ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋ฐ์ดํ„ฐ๊ฐ€ ํƒ€๊ฒŸ ๊ฐ€์ƒ ๋””์Šคํฌ๋กœ ์™„์ „ํžˆ ๋ณต์‚ฌ๋ฉ๋‹ˆ๋‹ค.
โ€ข ํƒ€๊ฒŸ ๊ฐ€์ƒ ๋””์Šคํฌ - ๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต์‚ฌ๋ฅผ ์‹œ์ž‘ํ•˜๋ฉด ํƒ€๊ฒŸ ๊ฐ€์ƒ ๋””์Šคํฌ๋Š” ์†Œ์Šค ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋ฐ์ดํ„ฐ ๋ณต์‚ฌ๋ฅผ ์œ ์ง€ ๊ด€๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ๊ธฐ์กด
๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ํƒ€๊ฒŸ ๊ฐ€์ƒ ๋””์Šคํฌ๋กœ ์‚ฌ์šฉํ• ์ง€ ์ƒˆ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์ƒ์„ฑํ• ์ง€ ์„ ํƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ธฐ์กด ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ํƒ€๊ฒŸ ๊ฐ€์ƒ ๋””์Šค ํฌ๋กœ ์„ ํƒํ•˜๋Š” ๊ฒฝ์šฐ ํƒ€๊ฒŸ์˜ ๋ชจ๋“  ๋ฐ์ดํ„ฐ๋ฅผ ๋ฎ์–ด์”๋‹ˆ๋‹ค. ํƒ€๊ฒŸ ๊ฐ€์ƒ ๋””์Šคํฌ๋Š” ํ‘œ์ค€ ๊ฐ€์ƒ ๋””์Šคํฌ์ด๊ฑฐ๋‚˜ ์žฅ์•  ๋˜๋Š” ๋น„ํ™œ์„ฑํ™”๋œ ์Šค๋ƒ… ์ƒท ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์†Œ์Šค ๊ฐ€์ƒ ๋””์Šคํฌ์ž…๋‹ˆ๋‹ค.
๋…ธํŠธ: ๋Œ€์ƒ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์šฉ๋Ÿ‰์€ ์›๋ณธ ๊ฐ€์ƒ ๋””์Šคํฌ๋ณด๋‹ค ํฌ๊ฑฐ๋‚˜ ๊ฐ™์•„์•ผ ํ•ฉ๋‹ˆ๋‹ค.
๋””์Šคํฌ ๋ณต์‚ฌ ํ”„๋กœ์„ธ์Šค๋ฅผ ์‹œ์ž‘ํ•  ๋•Œ, ๋ณต์‚ฌ๊ฐ€ ์™„๋ฃŒ๋˜๋Š” ์†๋„๋ฅผ ์ •์˜ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ๋ณต์‚ฌ ํ”„๋กœ์„ธ์Šค์— ๊ฐ€์žฅ ๋†’์€ ์šฐ์„  ์ˆœ์œ„๋ฅผ ๋ถ€์—ฌํ•˜๋ฉด I/O ์„ฑ๋Šฅ์— ์•ฝ๊ฐ„์˜ ์˜ํ–ฅ์„ ์ฃผ๋ฉฐ, ๊ฐ€์žฅ ๋‚ฎ์€ ์šฐ์„  ์ˆœ์œ„๋ฅผ ๋ถ€์—ฌํ•˜๋ฉด ๋ณต์‚ฌ ํ”„๋กœ์„ธ์Šค๊ฐ€ ์™„๋ฃŒ๋˜๋Š” ๋ฐ ์‹œ๊ฐ„์ด ์˜ค๋ž˜ ๊ฑธ๋ฆฝ๋‹ˆ๋‹ค. ๋””์Šคํฌ ๋ณต ์‚ฌ๊ฐ€ ์ง„ํ–‰๋˜๋Š” ๋™์•ˆ ๋ณต์‚ฌ ์šฐ์„  ์ˆœ์œ„๋ฅผ ์ˆ˜์ •ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
24 MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด

๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต๊ตฌ

Edit host server-to-virtual disk mappings(ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘ ํŽธ์ง‘) ๊ธฐ๋Šฅ์„ ์‚ฌ์šฉํ•˜์—ฌ ๋ฐฑ์—… ๊ฐ€์ƒ ๋””์Šคํฌ์—์„œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณต๊ตฌ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด ๊ธฐ๋Šฅ์„ ์‚ฌ์šฉํ•˜๋ฉด ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„์—์„œ ์›๋ž˜ ์†Œ์Šค ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋งคํ•‘์„ ํ•ด์ œํ•œ ๋‹ค์Œ ๋ฐฑ์—… ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ๋™์ผํ•œ ํ˜ธ์Šค ํŠธ ์„œ๋ฒ„์— ๋งคํ•‘ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์†Œ์Šค ๊ฐ€์ƒ ๋””์Šคํฌ์— ๋Œ€ํ•œ ์•ก์„ธ์Šค๋ฅผ ์ œ๊ณตํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋œ LUN์„ ๊ธฐ๋กํ•ด ๋‘์‹ญ์‹œ์˜ค. ๋Œ€์ƒ(๋ฐฑ์—…) ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„-๊ฐ€์ƒ ๋””์Šคํฌ ๋งคํ•‘์„ ์ •์˜ํ•  ๋•Œ ์ด ์ •๋ณด๊ฐ€ ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค. ๋˜ํ•œ ๊ฐ€์ƒ ๋””์Šคํฌ ๋ณต๊ตฌ ์ ˆ์ฐจ๋ฅผ ์‹œ์ž‘ํ•˜๊ธฐ ์ „์— ์†Œ์Šค ๊ฐ€์ƒ ๋””์Šคํฌ์— ๋Œ€ํ•œ ๋ชจ๋“  I/O ํ™œ๋™์„ ์ค‘์ง€ ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

๋‹ค์ค‘ ๊ฒฝ๋กœ ์†Œํ”„ํŠธ์›จ์–ด

ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„์— ์ƒ์ฃผํ•˜๋Š” ๋‹ค์ค‘ ๊ฒฝ๋กœ ์†Œํ”„ํŠธ์›จ์–ด(์žฅ์•  ์กฐ์น˜ ๋“œ๋ผ์ด๋ฒ„๋ผ๊ณ ๋„ ํ•จ)๋Š” ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„์™€ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๊ฐ„์— ์ค‘๋ณต ๋ฐ์ดํ„ฐ ๊ฒฝ ๋กœ๋ฅผ ๊ด€๋ฆฌํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•˜๋Š” ์†Œํ”„ํŠธ์›จ์–ด์ž…๋‹ˆ๋‹ค. ๋‹ค์ค‘ ๊ฒฝ๋กœ ์†Œํ”„ํŠธ์›จ์–ด๋ฅผ ํ†ตํ•ด ์ค‘๋ณต ๊ฒฝ๋กœ๋ฅผ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ๊ด€๋ฆฌํ•˜๋ ค๋ฉด ๊ตฌ์„ฑ์— ์ค‘๋ณต iSCSI ์—ฐ ๊ฒฐ ๋ฐ ์ผ€์ด๋ธ” ์—ฐ๊ฒฐ์ด ์žˆ์–ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
๋‹ค์ค‘ ๊ฒฝ๋กœ ์†Œํ”„ํŠธ์›จ์–ด๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ์— ๋‹ค์ค‘ ๊ฒฝ๋กœ๊ฐ€ ์žˆ๋Š”์ง€ ํ™•์ธํ•˜๊ณ  ๋””์Šคํฌ์˜ ๊ธฐ๋ณธ ๊ฒฝ๋กœ๋ฅผ ์„ค์ •ํ•ฉ๋‹ˆ๋‹ค. ๊ธฐ๋ณธ ๊ฒฝ๋กœ์— ์žˆ๋Š” ๊ตฌ์„ฑ ์š”์†Œ ์— ์žฅ์• ๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉด, ๋‹ค์ค‘ ๊ฒฝ๋กœ ์†Œํ”„ํŠธ์›จ์–ด๊ฐ€ I/O ์š”์ฒญ์„ ๋Œ€์ฒด ๊ฒฝ๋กœ๋กœ ์ž๋™ ์ „ํ™˜ํ•˜๋ฏ€๋กœ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๊ฐ€ ์ค‘๋‹จ๋˜์ง€ ์•Š๊ณ  ๊ณ„์† ์ž‘๋™ ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๋…ธํŠธ: ๋‹ค์ค‘ ๊ฒฝ๋กœ ์†Œํ”„ํŠธ์›จ์–ด๋Š” MD Series ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๋ฆฌ์†Œ์Šค DVD์—์„œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

๊ธฐ๋ณธ ๋ฐ ๋Œ€์ฒด ์ปจํŠธ๋กค๋Ÿฌ์™€ ๊ฒฝ๋กœ

๊ธฐ๋ณธ ์ปจํŠธ๋กค๋Ÿฌ๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ ๋˜๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ์†Œ์œ ์ž๋กœ ์ง€์ •๋œ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์ž…๋‹ˆ๋‹ค. ๊ธฐ๋ณธ ์ปจํŠธ๋กค๋Ÿฌ๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ์ƒ์„ฑ ๋  ๋•Œ MD ์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž์—์„œ ์ž๋™์œผ๋กœ ์„ ํƒ๋ฉ๋‹ˆ๋‹ค. ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ์ƒ์„ฑ๋œ ํ›„์— ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๊ธฐ๋ณธ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ์†Œ์œ ์ž๋ฅผ ๋ณ€๊ฒฝํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ํ˜ธ์ŠคํŠธ๊ฐ€ ํ•˜๋‚˜์˜ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์—๋งŒ ์—ฐ๊ฒฐ๋˜์–ด ์žˆ๋Š” ๊ฒฝ์šฐ, ํ˜ธ์ŠคํŠธ๊ฐ€ ์•ก์„ธ์Šคํ•  ์ˆ˜ ์žˆ๋Š” RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ์— ๊ธฐ๋ณธ ์†Œ์œ ์ž๋ฅผ ์ˆ˜๋™์œผ๋กœ ์ง€์ •ํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.
๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์†Œ์œ ๊ถŒ์€ ๊ธฐ๋ณธ ์ปจํŠธ๋กค๋Ÿฌ๊ฐ€ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๊ฒฝ์šฐ ๊ธฐ๋ณธ ์ปจํŠธ๋กค๋Ÿฌ์—์„œ ๋ณด์กฐ ์ปจํŠธ๋กค๋Ÿฌ(๋Œ€์ฒด ์ปจํŠธ๋กค๋Ÿฌ๋ผ๊ณ ๋„ ํ•จ)๋กœ ์ด๋™๋ฉ๋‹ˆ ๋‹ค.
โ€ข ๋ฌผ๋ฆฌ์ ์œผ๋กœ ์ œ๊ฑฐ๋œ ๊ฒฝ์šฐ
โ€ข ํŽŒ์›จ์–ด ์—…๋ฐ์ดํŠธ
โ€ข ๋Œ€์ฒด ์ปจํŠธ๋กค๋Ÿฌ๋กœ ์žฅ์•  ์กฐ์น˜๋˜๋„๋ก ํ•˜๋Š” ์ด๋ฒคํŠธ์™€ ๊ด€๋ จ๋œ ๊ฒฝ์šฐ
๊ธฐ๋ณธ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์ด ๋””์Šคํฌ ๋˜๋Š” ํ˜ธ์ŠคํŠธ ์„œ๋ฒ„์— ์•ก์„ธ์Šคํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋˜๋Š” ๊ฒฝ๋กœ๋ฅผ ๊ธฐ๋ณธ ๊ฒฝ๋กœ๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ์ค‘๋ณต ๊ฒฝ๋กœ๋Š” ๋Œ€์ฒด ๊ฒฝ ๋กœ๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค. ์žฅ์• ๋กœ ์ธํ•ด ๊ธฐ๋ณธ ๊ฒฝ๋กœ๊ฐ€ ์•ก์„ธ์Šค ๋ถˆ๊ฐ€๋Šฅํ•˜๊ฒŒ ๋  ๊ฒฝ์šฐ, ์Šคํ† ๋ฆฌ์ง€ ๋ฐฐ์—ด์€ ์ž๋™์œผ๋กœ ๋Œ€์ฒด ๊ฒฝ๋กœ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋ฐ์ดํ„ฐ์— ์•ก์„ธ ์Šคํ•˜๋ฉฐ ์ธํด๋กœ์ € ์ƒํƒœ LED๊ฐ€ ์ฃผํ™ฉ์ƒ‰์œผ๋กœ ๊นœ๋ฐ•์ž…๋‹ˆ๋‹ค.

๊ฐ€์ƒ ๋””์Šคํฌ ์†Œ์œ ๊ถŒ

MD ์Šคํ† ๋ฆฌ์ง€ ๊ด€๋ฆฌ์ž๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์ž๋™์œผ๋กœ ๊ตฌ์ถ•ํ•˜๊ณ  ํ™•์ธํ•˜๋Š” ๋ฐ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, ์ตœ์ ์˜ ์„ค์ •์„ ํ†ตํ•ด ๋””์Šคํฌ ๊ทธ๋ฃน์„ ์ŠคํŠธ๋ผ ์ดํ•‘ํ•ฉ๋‹ˆ๋‹ค. ๊ฐ€์ƒ ๋””์Šคํฌ๋Š” ์ƒ์„ฑ ์‹œ์— ๋Œ€์ฒด RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์— ํ• ๋‹น๋ฉ๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ์ž‘์—…๋ถ€ํ•˜๋ฅผ ๊ฐ„๋‹จํ•˜๊ฒŒ ๋กœ๋“œ ๋ฐธ๋Ÿฐ์‹ฑํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๋‚˜์ค‘์— ์†Œ์œ ๊ถŒ์„ ์ˆ˜์ •ํ•˜์—ฌ ์‹ค์ œ ์‚ฌ์šฉ์— ๋”ฐ๋ผ ์ž‘์—…๋ถ€ํ•˜์˜ ๊ท ํ˜•์„ ์กฐ์ •ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฐ€์ƒ ๋””์Šคํฌ ์†Œ์œ ๊ถŒ์˜ ๊ท ํ˜•์„ ์ˆ˜๋™์œผ๋กœ ์กฐ์ •ํ•˜ ์ง€ ์•Š์„ ๊ฒฝ์šฐ, ํŠน์ • ์ปจํŠธ๋กค๋Ÿฌ๊ฐ€ ์ž‘์—…์˜ ๋Œ€๋ถ€๋ถ„์„ ๋‹ด๋‹นํ•˜๊ณ  ๋‹ค๋ฅธ ์ปจํŠธ๋กค๋Ÿฌ๋Š” ์œ ํœด ์ƒํƒœ์— ์žˆ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๊ฐ€์ƒ ๋””์Šค ํฌ ์ˆ˜๋ฅผ ์ œํ•œํ•˜์‹ญ์‹œ์˜ค. ํ•˜๋‚˜์˜ ๋””์Šคํฌ ๊ทธ๋ฃน์— ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ์žˆ๋Š” ๊ฒฝ์šฐ ๋‹ค์Œ ์‚ฌํ•ญ์„ ๊ณ ๋ คํ•˜์‹ญ์‹œ์˜ค.
โ€ข ๊ฐ ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ๋™์ผํ•œ ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ๋‹ค๋ฅธ ๊ฐ€์ƒ ๋””์Šคํฌ์— ๋ฏธ์น  ์ˆ˜ ์žˆ๋Š” ์˜ํ–ฅ.
โ€ข ๊ฐ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์‚ฌ์šฉ ํŒจํ„ด.
โ€ข ๊ฐ€์ƒ ๋””์Šคํฌ๊ฐ€ ์—ฌ๋Ÿฌ ๊ฐœ ์žˆ์œผ๋ฉด ํ•˜๋ฃจ ์ค‘ ์„œ๋กœ ๋‹ค๋ฅธ ์‹œ๊ฐ„๋Œ€์— ์‚ฌ์šฉ๋Ÿ‰์ด ๋†’์Šต๋‹ˆ๋‹ค.

๋ถ€ํ•˜ ๋ถ„์‚ฐ

๋กœ๋“œ ๋ฐธ๋Ÿฐ์‹ฑ ์ •์ฑ…์€ I/O ์ฒ˜๋ฆฌ์— ์‚ฌ์šฉ๋˜๋Š” ๊ฒฝ๋กœ๋ฅผ ๊ฒฐ์ •ํ•˜๋Š” ๋ฐ ํ™œ์šฉ๋ฉ๋‹ˆ๋‹ค. ํ˜ผํ•ฉ๋œ ํ˜ธ์ŠคํŠธ ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ๊ตฌ์„ฑํ•  ๋•Œ ๋กœ๋“œ ๋ฐธ๋Ÿฐ์‹ฑ ์ •์ฑ… ์„ค์ •์„ ์œ„ํ•œ ์—ฌ๋Ÿฌ ๊ฐ€์ง€ ์˜ต์…˜์„ ํ†ตํ•ด I/O ์„ฑ๋Šฅ์„ ์ตœ์ ํ™”ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๋‹ค์Œ๊ณผ ๊ฐ™์€ ๋กœ๋“œ ๋ฐธ๋Ÿฐ์‹ฑ ์ •์ฑ… ์ค‘ ํ•˜๋‚˜๋ฅผ ์„ ํƒํ•˜์—ฌ I/O ์„ฑ๋Šฅ์„ ์ตœ์ ํ™”ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข Round-robin with subset(์„œ๋ธŒ์…‹์— ๋ผ์šด๋“œ ๋กœ๋นˆ) - ์„œ๋ธŒ์…‹์— ๋ผ์šด๋“œ ๋กœ๋นˆ I/O ๋กœ๋“œ ๋ฐธ๋Ÿฐ์‹ฑ ์ •์ฑ…์€ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์†Œ์œ ํ•˜๋Š” RAID ์ปจ ํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์˜ ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ๊ฐ ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ๋กœ I/O ์š”์ฒญ์„ ์ฐจ๋ก€๋กœ ์ „๋‹ฌํ•ฉ๋‹ˆ๋‹ค. ์ด ์ •์ฑ…์€ ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์†Œ์œ ํ•˜๋Š” RAID ์ปจํŠธ๋กค๋Ÿฌ
MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด 25
๋ชจ๋“ˆ์˜ ๋ชจ๋“  ๊ฒฝ๋กœ๋ฅผ I/O ํ™œ๋™์— ๋Œ€ํ•ด ๋™๋“ฑํ•˜๊ฒŒ ์ฒ˜๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ๋ณด์กฐ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์˜ ๊ฒฝ๋กœ๋Š” ์†Œ์œ ๊ถŒ์ด ๋ณ€๊ฒฝ๋  ๋•Œ๊นŒ์ง€ ๋ฌด์‹œ๋ฉ๋‹ˆ ๋‹ค. ๊ธฐ๋ณธ์ ์œผ๋กœ ๋ผ์šด๋“œ ๋กœ๋นˆ ์ •์ฑ…์— ๋Œ€ํ•ด ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ๊ฐ€ ๋™์ผํ•˜๋‹ค๊ณ  ๊ฐ€์ •ํ•ฉ๋‹ˆ๋‹ค. ํ˜ผํ•ฉ ํ˜ธ์ŠคํŠธ๊ฐ€ ์ง€์›๋˜๋Š” ๊ฒฝ์šฐ, ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ๋งˆ๋‹ค ๋Œ€์—ญํญ ๋˜๋Š” ๋ฐ์ดํ„ฐ ์ „์†ก ์†๋„๊ฐ€ ๋‹ค๋ฅผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข Least queue depth with subset(์„œ๋ธŒ์…‹์— ์ตœ์†Œ ํ ๊นŠ์ด) - ์„œ๋ธŒ์…‹์— ์ตœ์†Œ ํ ๊นŠ์ด ์ •์ฑ…์€ ์ตœ์†Œ I/O ๋˜๋Š” ์ตœ์†Œ ์š”์ฒญ ์ •์ฑ…์ด๋ผ๊ณ ๋„ ํ•ฉ ๋‹ˆ๋‹ค. ์ด ์ •์ฑ…์€ ์ตœ์†Œ ๋ฏธํ•ด๊ฒฐ I/O ์š”์ฒญ์ด ํ์— ๋Œ€๊ธฐ์ค‘์ธ ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ์— ๋‹ค์Œ I/O ์š”์ฒญ์„ ์ „๋‹ฌํ•ฉ๋‹ˆ๋‹ค. ์ด ์ •์ฑ…์˜ ๊ฒฝ์šฐ, I/O ์š”์ฒญ์€ ๋‹จ ์ˆœํžˆ ํ์—์„œ ๋ช…๋ น์— ํ•ด๋‹นํ•ฉ๋‹ˆ๋‹ค. ๋ช…๋ น์˜ ์œ ํ˜• ๋˜๋Š” ๋ช…๋ น๊ณผ ๊ด€๋ จ๋œ ๋ธ”๋ก์˜ ์ˆ˜๋Š” ๊ณ ๋ ค๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์„œ๋ธŒ์…‹์— ์ตœ์†Œ ํ ๊นŠ์ด ์ •์ฑ…์€ ๊ทœ๋ชจ๊ฐ€ ํฐ ๋ธ”๋ก ์š”์ฒญ๊ณผ ๊ทœ๋ชจ๊ฐ€ ์ž‘์€ ๋ธ”๋ก ์š”์ฒญ์„ ๋™๋“ฑํ•˜๊ฒŒ ์ฒ˜๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ์„ ํƒ๋œ ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ๋Š” ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ์†Œ์œ ํ•˜๋Š” RAID ์ปจํŠธ ๋กค๋Ÿฌ ๋ชจ๋“ˆ์˜ ๊ฒฝ๋กœ ๊ทธ๋ฃน์— ์žˆ๋Š” ๊ฒฝ๋กœ ์ค‘ ํ•˜๋‚˜์ž…๋‹ˆ๋‹ค.
โ€ข Least path weight with subset(์„œ๋ธŒ์…‹์— ์ตœ์†Œ ๊ฒฝ๋กœ ๊ฐ€์ค‘) (Windows ์šด์˜ ์ฒด์ œ๋งŒ ํ•ด๋‹น) - ์„œ๋ธŒ์…‹์— ์ตœ์†Œ ํ ๊นŠ์ด๋Š” ์ตœ์†Œ I/O ๋˜๋Š” ์ตœ ์†Œ ์š”์ฒญ ์ •์ฑ…์ด๋ผ๊ณ ๋„ ํ•ฉ๋‹ˆ๋‹ค. ์ด ์ •์ฑ…์€ ์ตœ์†Œ ๋ฏธํ•ด๊ฒฐ I/O ์š”์ฒญ์ด ํ์— ๋Œ€๊ธฐ์ค‘์ธ ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ์— ๋‹ค์Œ I/O ์š”์ฒญ์„ ์ „๋‹ฌํ•ฉ๋‹ˆ๋‹ค. ์ด ์ • ์ฑ…์˜ ๊ฒฝ์šฐ, I/O ์š”์ฒญ์€ ๋‹จ์ˆœํžˆ ํ์—์„œ ๋ช…๋ น์— ํ•ด๋‹น๋ฉ๋‹ˆ๋‹ค. ๋ช…๋ น์˜ ์œ ํ˜• ๋˜๋Š” ๋ช…๋ น๊ณผ ๊ด€๋ จ๋œ ๋ธ”๋ก์˜ ์ˆ˜๋Š” ๊ณ ๋ ค๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์„œ๋ธŒ ์…‹์— ์ตœ์†Œ ํ ๊นŠ์ด ์ •์ฑ…์€ ๊ทœ๋ชจ๊ฐ€ ํฐ ๋ธ”๋ก ์š”์ฒญ๊ณผ ๊ทœ๋ชจ๊ฐ€ ์ž‘์€ ๋ธ”๋ก ์š”์ฒญ์„ ๋™๋“ฑํ•˜๊ฒŒ ์ฒ˜๋ฆฌํ•ฉ๋‹ˆ๋‹ค. ์„ ํƒ๋œ ๋ฐ์ดํ„ฐ ๊ฒฝ๋กœ๋Š” ๊ฐ€์ƒ ๋””์Šค ํฌ๋ฅผ ์†Œ์œ ํ•˜๋Š” RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์˜ ๊ฒฝ๋กœ ๊ทธ๋ฃน์— ์žˆ๋Š” ๊ฒฝ๋กœ ์ค‘ ํ•˜๋‚˜์ž…๋‹ˆ๋‹ค.

์‹œ์Šคํ…œ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง

์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์ฃผ์š” ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ์ถ”์ ํ•˜๊ณ  ์‹œ์Šคํ…œ์—์„œ ์„ฑ๋Šฅ ๋ณ‘๋ชฉ ํ˜„์ƒ์„ ์‹๋ณ„ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์„ฑ๋Šฅ ๋ชจ ๋‹ˆํ„ฐ๋ฅผ ํ†ตํ•ด ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ๋ชจ๋‹ˆํ„ฐ๋ง ๋Œ€์ƒ ์žฅ์น˜์— ๋Œ€ํ•ด ์ˆ˜์ง‘๋œ ๋ฐ์ดํ„ฐ์˜ ๊ฐ’์„ ์‹ค์‹œ๊ฐ„์œผ๋กœ ๋ด…๋‹ˆ๋‹ค. ์ด ๊ธฐ๋Šฅ์€ ์žฅ์น˜์— ๋ฌธ์ œ๊ฐ€ ์žˆ๋Š”์ง€ ํŒ๋ณ„ํ•˜๋Š” ๋ฐ ์œ ์šฉํ•ฉ๋‹ˆ๋‹ค.
โ€ข ๋ชจ๋‹ˆํ„ฐ๋ง๋˜๋Š” ๋””๋ฐ”์ด์Šค์˜ ๋‚ด์—ญ ๋ณด๊ธฐ๋ฅผ ํ™•์ธํ•˜์—ฌ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•œ ์‹œ์ ์ด๋‚˜ ๋ฌธ์ œ์˜ ์›์ธ์„ ์‹๋ณ„ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์„ฑ๋Šฅ ๋ฉ”ํŠธ๋ฆญ๊ณผ ๋ชจ๋‹ˆํ„ฐ๋งํ•  ๊ฐœ์ฒด๋ฅผ ์ง€์ •ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ํ‘œ ํ˜•์‹(์ˆ˜์ง‘๋œ ๋ฉ”ํŠธ๋ฆญ์˜ ์‹ค์ œ ๊ฐ’)์ด๋‚˜ ๊ทธ๋ž˜ํ”„ ํ˜•์‹(๋ผ์ธ ๊ทธ๋ž˜ํ”„)์œผ๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณด๊ฑฐ๋‚˜ ๋ฐ์ดํ„ฐ๋ฅผ ํŒŒ์ผ๋กœ ๋‚ด๋ณด๋ƒ…๋‹ˆ๋‹ค.
์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง์—๋Š” ์„ธ ๊ฐ€์ง€ ์œ ํ˜•์ด ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ์‹ค์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”„ - ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ๊ฑฐ์˜ ์‹ค์‹œ๊ฐ„์œผ๋กœ ๊ทธ๋ž˜ํ”„์— ํ‘œ์‹œํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์‹ค์‹œ๊ฐ„ ํ…์ŠคํŠธ - ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ๊ฑฐ์˜ ์‹ค์‹œ๊ฐ„์œผ๋กœ ํ‘œ๋กœ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
โ€ข ๋ฐฐ๊ฒฝ(๋‚ด์—ญ) - ์žฅ๊ธฐ๊ฐ„์˜ ๊ทธ๋ž˜ํ”ฝ ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ํ‘œ์‹œํ•ฉ๋‹ˆ๋‹ค. ํ˜„์žฌ ์ง„ํ–‰ ์ค‘์ด๊ฑฐ๋‚˜ ์ด์ „์— ์ €์žฅํ–ˆ๋˜ ์„ธ์…˜์˜ ๋ฐฑ๊ทธ๋ผ์šด๋“œ ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ
๋ฅผ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์ด ํ‘œ๋Š” ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง์˜ ๊ฐ ์œ ํ˜•์— ๋Œ€ํ•œ ๋ช‡ ๊ฐ€์ง€ ํŠน์ง•์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค.
ํ‘œ 3. ๋‹ค์–‘ํ•œ ์œ ํ˜•์˜ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง ํŠน์ง•
์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง ์œ ํ˜• ์ƒ˜ํ”Œ๋ง ๊ฐ„๊ฒฉ ํ‘œ์‹œ๋œ ๊ธฐ๊ฐ„ ํ‘œ์‹œ๋œ ๊ฐœ์ฒด์˜ ์ตœ๋Œ€๊ฐœ์ˆ˜๋ฐ์ดํ„ฐ ์ €์žฅ ๊ฐ€๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง ์‹œ์ž‘ ๋ฐ ์ค‘
์‹ค์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”„ 5์ดˆ 5๋ถ„ ์ด์ „ 5 ์•„๋‹ˆ์˜ค AMW๊ฐ€ ์—ด๋ฆด ๋•Œ ์ž
์‹ค์‹œ๊ฐ„ ํ…์ŠคํŠธ 5-3600์ดˆ ๋Œ€๋ถ€๋ถ„ ํ˜„์žฌ ๊ฐ’ ์ œํ•œ ์—†์Œ ์˜ˆ ์ˆ˜๋™์œผ๋กœ ์‹œ์ž‘๋˜๊ณ 
๋ฐฐ๊ฒฝ
10๋ถ„ 7์ผ ์ด์ „ 5 ์˜ˆ ์ˆ˜๋™์œผ๋กœ ์‹œ์ž‘๋˜๊ณ 
์ง€ ๋ฐฉ๋ฒ•
๋™์œผ๋กœ ์‹œ์ž‘๋ฉ๋‹ˆ๋‹ค. AMW๊ฐ€ ๋‹ซํž ๋•Œ ์ž
๋™์œผ๋กœ ์ค‘์ง€๋ฉ๋‹ˆ๋‹ค.
์ค‘์ง€๋ฉ๋‹ˆ๋‹ค. View
Real-time Textual Performance Monitor(์‹ค์‹œ๊ฐ„ ํ…
์ŠคํŠธ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ณด ๊ธฐ) ๋Œ€ํ™”์ƒ์ž๊ฐ€ ๋‹ซ ํžˆ๊ฑฐ๋‚˜ AMW๊ฐ€ ๋‹ซ ํž ๋•Œ์—๋„ ์ค‘์ง€๋ฉ๋‹ˆ ๋‹ค.
์ค‘์ง€๋ฉ๋‹ˆ๋‹ค. EMW ๊ฐ€ ๋‹ซํžˆ๊ฑฐ๋‚˜ ํŽŒ์›จ์–ด ๋‹ค์šด๋กœ๋“œ๊ฐ€ ์‹œ์ž‘๋  ๋•Œ์—๋„ ์ค‘์ง€๋ฉ๋‹ˆ๋‹ค.
์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ฅผ ์‚ฌ์šฉํ•  ๋•Œ ๋‹ค์Œ ์ง€์นจ์„ ์ˆ™์ง€ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ์ƒ˜ํ”Œ๋ง ๊ฐ„๊ฒฉ์ด ๊ฒฝ๊ณผํ•  ๋•Œ๋งˆ๋‹ค ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ๋‹ค์‹œ ์ฟผ๋ฆฌํ•˜๊ณ  ๋ฐ์ดํ„ฐ๋ฅผ ์—…๋ฐ์ดํŠธํ•ฉ๋‹ˆ๋‹ค. ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์„ฑ๋Šฅ ์—๋Š” ์ตœ์†Œํ•œ์˜ ์˜ํ–ฅ์„ ์ค๋‹ˆ๋‹ค.
26 MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด
โ€ข ๋ฐฑ๊ทธ๋ผ์šด๋“œ ๋ชจ๋‹ˆํ„ฐ๋ง ํ”„๋กœ์„ธ์Šค๊ฐ€ 7์ผ ๋™์•ˆ ๋ฐ์ดํ„ฐ๋ฅผ ์ƒ˜ํ”Œ๋งํ•˜๊ณ  ์ €์žฅํ•ฉ๋‹ˆ๋‹ค. ์ด ๊ธฐ๊ฐ„ ๋™์•ˆ ๋ชจ๋‹ˆํ„ฐ๋ง๋˜๋Š” ๊ฐ์ฒด๊ฐ€ ๋ณ€๊ฒฝ๋˜๋ฉด ํ•ด๋‹น ๊ฐ์ฒด์—๋Š” ์ „์ฒด 7์ผ์— ๊ฑธ์ณ ์™„๋ฒฝํ•œ ๋ฐ์ดํ„ฐ ์ง€์  ์„ธํŠธ๊ฐ€ ํฌํ•จ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด ๊ฐ€์ƒ ๋””์Šคํฌ ์„ธํŠธ๊ฐ€ ์ƒ์„ฑ๋จ, ์‚ญ์ œ๋จ, ๋งคํ•‘๋จ, ๋งคํ•‘ ํ•ด์ œ๋จ์œผ๋กœ ๋ณ€๊ฒฝ๋˜๊ฑฐ๋‚˜, ๋ฌผ๋ฆฌ์  ๋””์Šคํฌ๊ฐ€ ์ถ”๊ฐ€, ์ œ๊ฑฐ๋˜๊ฑฐ๋‚˜ ์‹คํŒจํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋Š” I/O ํ˜ธ์ŠคํŠธ๊ฐ€ ํ‘œ์‹œ๋˜๋Š”(๋งคํ•‘๋œ) ๊ฐ€์ƒ ๋””์Šคํฌ, ์Šค๋ƒ…์ƒท ๊ทธ๋ฃน ์ €์žฅ์†Œ ๊ฐ€์ƒ ๋””์Šคํฌ ๋ฐ ์ผ๊ด€์„ฑ ๊ทธ๋ฃน ์ €์žฅ์†Œ ๊ฐ€์ƒ ๋””์Šคํฌ ์— ๋Œ€ํ•ด์„œ๋งŒ ์ˆ˜์ง‘๋˜๊ณ  ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค. ๋ณต์ œ ์ €์žฅ์†Œ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋ฐ์ดํ„ฐ๋Š” ์ˆ˜์ง‘๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
โ€ข RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ๋˜๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋ณด๊ณ ๋œ ๊ฐ’์€ ๋ชจ๋“  ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋ณด๊ณ ๋œ ๊ฐ’์˜ ํ•ฉ๊ณ„๋ณด๋‹ค ํด ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. RAID ์ปจํŠธ๋กค ๋Ÿฌ ๋ชจ๋“ˆ ๋˜๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋ณด๊ณ ๋œ ๊ฐ’์—๋Š” ํ˜ธ์ŠคํŠธ I/O ๋ฐ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋‚ด๋ถ€ I/O(๋ฉ”ํƒ€๋ฐ์ดํ„ฐ ์ฝ๊ธฐ ๋ฐ ์“ฐ๊ธฐ) ๋‘˜ ๋‹ค ํฌํ•จ ๋˜๋ฉฐ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋ณด๊ณ ๋œ ๊ฐ’์—๋Š” ํ˜ธ์ŠคํŠธ I/O๋งŒ ํฌํ•จ๋ฉ๋‹ˆ๋‹ค.

์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ฐ์ดํ„ฐ ํ•ด์„

์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋Š” ๋””๋ฐ”์ด์Šค์— ๋Œ€ํ•œ ๋ฐ์ดํ„ฐ๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค. ๋‹ค์Œ ํ‘œ์— ์„ค๋ช…๋œ ๋Œ€๋กœ ์ด ๋ฐ์ดํ„ฐ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์„ฑ๋Šฅ ํŠœ๋‹ ๊ฒฐ ์ •์„ ๋‚ด๋ฆด ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
ํ‘œ 4. ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ ์˜๋ฏธ
์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ ์„ฑ๋Šฅ ์กฐ์ •์— ๋Œ€ํ•œ ์˜๋ฏธ
์ด I/O ์ด ๋ฐ์ดํ„ฐ๋Š” ํŠน์ • RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ๋ฐ ํŠน์ • ๊ฐ€์ƒ ๋””์Šคํฌ์˜
I/O ํ™œ๋™์„ ๋ชจ๋‹ˆํ„ฐ๋งํ•  ๋•Œ ์œ ์šฉํ•˜๋ฉฐ ๋†’์€ ํŠธ๋ž˜ํ”ฝ/I/O ์˜์—ญ์„ ์‹ ๋ณ„ํ•˜๋Š” ๋ฐ ๋„์›€์ด ๋ฉ๋‹ˆ๋‹ค.
RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์˜ ์ด I/O(์›Œํฌ๋กœ๋“œ)์—์„œ ์ฐจ์ด๊ฐ€ ๋‚  ์ˆ˜ ์žˆ์Šต
๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ํŠน์ • RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์˜ ์›Œํฌ๋กœ๋“œ๊ฐ€ ์‹œ๊ฐ„์ด ๊ฒฝ๊ณผํ•จ์— ๋”ฐ๋ผ ๋†’๊ฑฐ๋‚˜ ์ฆ๊ฐ€ํ•˜๋Š” ๋ฐ˜๋ฉด ๋‹ค๋ฅธ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ์˜ ์›Œํฌ๋กœ๋“œ๋Š” ๋‚ฎ๊ฑฐ๋‚˜ ๋” ์•ˆ์ •์ ์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด ๊ฒฝ์šฐ, ํ•˜๋‚˜ ์ด ์ƒ์˜ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ์†Œ์œ ๊ถŒ์„ ์›Œํฌ๋กœ๋“œ๊ฐ€ ๋” ๋‚ฎ์€ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ๋กœ ๋ณ€๊ฒฝํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ๊ฐ€์ƒ ๋””์Šคํฌ ์ด I/O ํ†ต๊ณ„๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ด๋™ํ•  ๊ฐ€์ƒ ๋””์Šคํฌ๋ฅผ ๊ฒฐ์ •ํ•ฉ๋‹ˆ๋‹ค.
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ „์ฒด์—์„œ ์›Œํฌ๋กœ๋“œ๋ฅผ ๋ชจ๋‹ˆํ„ฐ๋งํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. ๋ฐฐ ๊ฒฝ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ์—์„œ ์ด I/O๋ฅผ ๋ชจ๋‹ˆํ„ฐ๋งํ•˜์‹ญ์‹œ์˜ค. ์‘์šฉํ”„๋กœ๊ทธ๋žจ ์„ฑ๋Šฅ์ด ์ €ํ•˜๋˜๋Š” ๋™์•ˆ ์‹œ๊ฐ„์ด ์ง€๋‚จ์— ๋”ฐ๋ผ ์›Œํฌ๋กœ๋“œ๊ฐ€ ๊ณ„์† ์ฆ๊ฐ€ ํ•  ๊ฒฝ์šฐ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ์ถ”๊ฐ€ํ•ด์•ผ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์—”ํ„ฐํ”„๋ผ ์ด์ฆˆ์— ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด๋ฅผ ์ถ”๊ฐ€ํ•˜๋ฉด ํ—ˆ์šฉ ๊ฐ€๋Šฅํ•œ ์„ฑ๋Šฅ ์ˆ˜์ค€์—์„œ ์‘์šฉํ”„๋กœ๊ทธ๋žจ ์š”๊ตฌ์‚ฌํ•ญ์„ ์ถฉ์กฑํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
IO/์ดˆ
์ดˆ๋‹น ์ž…๋ ฅ/์ถœ๋ ฅ ์ž‘์—…์— ์˜ํ–ฅ์„ ์ฃผ๋Š” ์š”์ธ(IO/์ดˆ ๋˜๋Š” IOPS)์—๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์€ ํ•ญ๋ชฉ์ด ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ์•ก์„ธ์Šค ํŒจํ„ด(์ž„์˜ ๋ฐ ์ˆœ์ฐจ)
โ€ข I/O ํฌ๊ธฐ
โ€ข RAID ๋ ˆ๋ฒจ
โ€ข ์บ์‹œ ๋ธ”๋ก ํฌ๊ธฐ
โ€ข ์ฝ๊ธฐ ์บ์‹ฑ ํ™œ์„ฑํ™” ์—ฌ๋ถ€
โ€ข ์“ฐ๊ธฐ ์บ์‹ฑ ํ™œ์„ฑํ™” ์—ฌ๋ถ€
โ€ข ๋™์  ์บ์‹œ ์ฝ๊ธฐ ํ”„๋ฆฌํŽ˜์น˜
โ€ข ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ
โ€ข ๋””์Šคํฌ ๊ทธ๋ฃน ๋˜๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์— ์žˆ๋Š” ์‹ค์ œ ๋””์Šคํฌ์˜ ์ˆ˜
RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์˜ ์ „์†ก ์†๋„๋Š” ์‘์šฉํ”„๋กœ๊ทธ๋žจ I/O ํฌ๊ธฐ์™€ I/O
์†๋„์— ๋”ฐ๋ผ ๊ฒฐ์ •๋ฉ๋‹ˆ๋‹ค. ์ผ๋ฐ˜์ ์œผ๋กœ, ์†Œ๊ทœ๋ชจ ์‘์šฉํ”„๋กœ๊ทธ๋žจ I/O ์š”์ฒญ์—์„œ๋Š” ์ „์†ก ์†๋„๊ฐ€ ๋Š๋ฆฌ์ง€๋งŒ I/O ์†๋„๋Š” ๋นจ๋ผ์ง€๊ณ  ์‘๋‹ต ์‹œ ๊ฐ„์€ ์งง์•„์ง‘๋‹ˆ๋‹ค. ๋Œ€๊ทœ๋ชจ ์‘์šฉํ”„๋กœ๊ทธ๋žจ I/O ์š”์ฒญ์—์„œ๋Š” ์ฒ˜๋ฆฌ ์† ๋„๊ฐ€ ๋น ๋ฅผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ผ๋ฐ˜์ ์ธ ์‘์šฉํ”„๋กœ๊ทธ๋žจ I/O ํŒจํ„ด์„ ํŒŒ์•… ํ•˜๋ฉด ํŠน์ • ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ์ตœ๋Œ€ I/O ์ „์†ก ์†๋„๋ฅผ ํŒ๋ณ„ํ•˜๋Š” ๋ฐ ๋„์›€์ด ๋ฉ๋‹ˆ๋‹ค.
๊ฐ€์ƒ ๋””์Šคํฌ์˜ IOPS ํ†ต๊ณ„์—์„œ ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ๋ฅผ ๋ณ€๊ฒฝํ•˜๋ฉด ์„ฑ๋Šฅ์ด ๊ฐœ์„ ๋ฉ๋‹ˆ๋‹ค. ์ตœ์ ์˜ ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ๋ฅผ ๊ฒฐ์ •ํ•ด ๋ณด๊ฑฐ๋‚˜ ํŒŒ์ผ ์‹œ์Šคํ…œ ํฌ๊ธฐ ๋˜๋Š” ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ๋ธ”๋ก ํฌ๊ธฐ๋ฅผ ์‚ฌ์šฉํ•ด ๋ณด์‹ญ์‹œ์˜ค. ์„ธ๊ทธ๋จผํŠธ ํฌ๊ธฐ ๋ฐ ์„ฑ๋Šฅ์— ๋Œ€ํ•œ ์ž์„ธํ•œ ๋‚ด์šฉ์€ ์ด ํ•ญ๋ชฉ ๋งˆ์ง€๋ง‰ ๋ถ€๋ถ„์— ๋‚˜์—ด ๋œ ๊ด€๋ จ ํ•ญ๋ชฉ์„ ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.
MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด 27
ํ‘œ 4. ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ ์˜๋ฏธ (๊ณ„์†)
์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ ์„ฑ๋Šฅ ์กฐ์ •์— ๋Œ€ํ•œ ์˜๋ฏธ
์บ์‹œ ์ ์ค‘๋ฅ ์ด ๋†’์„์ˆ˜๋ก I/O ์†๋„๋„ ๋†’์•„์ง‘๋‹ˆ๋‹ค. ์“ฐ๊ธฐ ์บ์‹ฑ์ด ํ™œ ์„ฑํ™”๋˜๋ฉด ๋น„ํ™œ์„ฑํ™” ์ƒํƒœ์— ๋น„ํ•ด I/O ์†๋„๊ฐ€ ๋†’์•„์ง‘๋‹ˆ๋‹ค. ๊ฐœ๋ณ„ ๊ฐ€ ์ƒ ๋””์Šคํฌ์— ์“ฐ๊ธฐ ์บ์‹ฑ์„ ํ™œ์„ฑํ™”ํ• ์ง€ ๊ฒฐ์ •ํ•  ๋•Œ๋Š” ํ˜„์žฌ IOPS์™€ ์ตœ๋Œ€ IOPS๋ฅผ ํ™•์ธํ•˜์‹ญ์‹œ์˜ค. ์ž„์˜ I/O ํŒจํ„ด์ด ์•„๋‹Œ ์ˆœ์ฐจ I/O ํŒจํ„ด ์˜ ์†๋„๊ฐ€ ๋†’์Šต๋‹ˆ๋‹ค. I/O ํŒจํ„ด๊ณผ ๊ด€๊ณ„์—†์ด, ์“ฐ๊ธฐ ์บ์‹ฑ์„ ํ™œ์„ฑํ™”ํ•˜ ๋ฉด I/O ์†๋„๋ฅผ ์ตœ๋Œ€ํ™”ํ•˜๊ณ  ์‘์šฉํ”„๋กœ๊ทธ๋žจ ์‘๋‹ต ์‹œ๊ฐ„์„ ๋‹จ์ถ•์‹œํ‚ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ฝ๊ธฐ/์“ฐ๊ธฐ ์บ์‹ฑ ๋ฐ ์„ฑ๋Šฅ์— ๋Œ€ํ•œ ์ž์„ธํ•œ ๋‚ด์šฉ์€ ์ด ํ•ญ๋ชฉ ๋งˆ์ง€๋ง‰ ๋ถ€๋ถ„์— ๋‚˜์—ด๋œ ๊ด€๋ จ ํ•ญ๋ชฉ์„ ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.
MB/์ดˆ
I/O ๋Œ€๊ธฐ ์‹œ๊ฐ„, ๋ฐ€๋ฆฌ์ดˆ ๋Œ€๊ธฐ ์‹œ๊ฐ„์€ ํŠน์ • ์‹ค์ œ ๋””์Šคํฌ ๋ฐ ํŠน์ • ๊ฐ€์ƒ ๋””์Šคํฌ์˜ I/O ํ™œ๋™์„
IO/์ดˆ๋ฅผ ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.
๋ชจ๋‹ˆํ„ฐ๋งํ•  ๋•Œ ์œ ์šฉํ•˜๋ฉฐ ๋ณ‘๋ชฉ ํ˜„์ƒ์ด ์žˆ๋Š” ์‹ค์ œ ๋””์Šคํฌ๋ฅผ ์‹๋ณ„ํ•˜ ๋Š” ๋ฐ ๋„์›€์ด ๋ฉ๋‹ˆ๋‹ค.
์‹ค์ œ ๋””์Šคํฌ์˜ ์œ ํ˜•๊ณผ ์†๋„๋Š” ๋Œ€๊ธฐ ์‹œ๊ฐ„์— ์˜ํ–ฅ์„ ์ค๋‹ˆ๋‹ค. ์ž„์˜ I/O์—์„œ๋Š” ์‹ค์ œ ๋””์Šคํฌ์˜ ํšŒ์ „ ์†๋„๊ฐ€ ๋น ๋ฅด๋ฉด ๋””์Šคํฌ์˜ ๋‹ค๋ฅธ ์œ„ ์น˜๋กœ ๋˜๋Š” ๋‹ค๋ฅธ ์œ„์น˜์—์„œ ์ด๋™ํ•˜๋Š” ์‹œ๊ฐ„์ด ์ ๊ฒŒ ๊ฑธ๋ฆฝ๋‹ˆ๋‹ค.
์‹ค์ œ ๋””์Šคํฌ ์ˆ˜๊ฐ€ ๋„ˆ๋ฌด ์ ์œผ๋ฉด ํ์— ๋Œ€๊ธฐ๋˜๋Š” ๋ช…๋ น ์ˆ˜๊ฐ€ ๋งŽ์•„์ง€ ๊ณ  ์‹ค์ œ ๋””์Šคํฌ๊ฐ€ ๋ช…๋ น์„ ์ฒ˜๋ฆฌํ•˜๋Š” ๋ฐ ์‹œ๊ฐ„์ด ๋งŽ์ด ๊ฑธ๋ฆฌ๋ฏ€๋กœ ์‹œ ์Šคํ…œ์˜ ์ผ๋ฐ˜ ๋Œ€๊ธฐ ์‹œ๊ฐ„์ด ์ฆ๊ฐ€๋ฉ๋‹ˆ๋‹ค.
๋Œ€๊ทœ๋ชจ I/O์˜ ๊ฒฝ์šฐ์—๋Š” ๋ฐ์ดํ„ฐ ์ „์†ก๊ณผ ๊ด€๋ จ๋œ ์ถ”๊ฐ€์ ์ธ ์‹œ๊ฐ„์œผ ๋กœ ์ธํ•ด ๋Œ€๊ธฐ ์‹œ๊ฐ„์ด ๋” ๊น๋‹ˆ๋‹ค.
๋Œ€๊ธฐ ์‹œ๊ฐ„์ด ๋†’๋‹ค๋Š” ๊ฒƒ์€ ์‚ฌ์‹ค์ƒ I/O๊ฐ€ ์ž„์˜ ํŒจํ„ด์ž„์„ ๋‚˜ํƒ€๋ƒ…๋‹ˆ ๋‹ค. I/O ํŒจํ„ด์ด ์ž„์˜์ธ ์‹ค์ œ ๋””์Šคํฌ๋Š” ์ˆœ์ฐจ ์ŠคํŠธ๋ฆผ๋ณด๋‹ค ๋Œ€๊ธฐ ์‹œ๊ฐ„ ์ด ๋” ๊น๋‹ˆ๋‹ค.
์—ฌ๋Ÿฌ ๊ฐ€์ƒ ๋””์Šคํฌ์—์„œ ํ•˜๋‚˜์˜ ๋””์Šคํฌ ๊ทธ๋ฃน์„ ๊ณต์œ ํ•˜๋Š” ๊ฒฝ์šฐ, ์‹ค ์ œ ๋””์Šคํฌ์˜ ์ˆœ์ฐจ ์„ฑ๋Šฅ์„ ํ–ฅ์ƒ์‹œํ‚ค๊ณ  ๋Œ€๊ธฐ ์‹œ๊ฐ„์„ ์ค„์ด๋ ค๋ฉด ๊ฐœ๋ณ„ ๊ฐ€์ƒ ๋””์Šคํฌ์— ์ž์ฒด ๋””์Šคํฌ ๊ทธ๋ฃน์ด ํ•„์š”ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
๊ณตํ†ต ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ์‹ค์ œ ๋””์Šคํฌ์— ๋ถˆ์ผ์น˜๊ฐ€ ์žˆ์„ ๊ฒฝ์šฐ ์†๋„๊ฐ€ ๋Š๋ฆฐ ์‹ค์ œ ๋””์Šคํฌ๊ฐ€ ์žˆ์„ ์ˆ˜ ์žˆ์Œ์„ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค.
๋””์Šคํฌ ํ’€์ด ์žˆ๋Š” ๊ฒฝ์šฐ, ๋Œ€๊ธฐ ์‹œ๊ฐ„์ด ๋†’๊ณ  ์‹ค์ œ ๋””์Šคํฌ ๊ฐ„์— ์›Œํฌ ๋กœ๋“œ๊ฐ€ ๋ถˆ๊ท ํ˜•ํ•  ์ˆ˜ ์žˆ์œผ๋ฏ€๋กœ ๋Œ€๊ธฐ ์‹œ๊ฐ„ ๊ฐ’์€ ์˜๋ฏธ๊ฐ€ ์ ๊ณ  ์ผ๋ฐ˜ ์ ์œผ๋กœ ๋†’์Šต๋‹ˆ๋‹ค.
์บ์‹œ
์ ์ค‘๋ฅ  ๋†’์€ ์บ์‹œ ์ ์ค‘๋ฅ ์€ ์ตœ์ ์˜ ์‘์šฉํ”„๋กœ๊ทธ๋žจ ์„ฑ๋Šฅ์— ์ด์ƒ์ ์ž…๋‹ˆ๋‹ค.
๋˜ํ•œ ์บ์‹œ ์ ์ค‘๋ฅ ๊ณผ I/O ์†๋„ ๊ฐ„์— ๊ธ์ •์ ์ธ ์ƒํ˜ธ์ž‘์šฉ์ด ์กด์žฌํ•ฉ ๋‹ˆ๋‹ค.
๋ชจ๋“  ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์บ์‹œ ์ ์ค‘๋ฅ ์€ ๋‚ฎ๊ฑฐ๋‚˜ ๋‚ฎ์€ ์ถ”์„ธ์ผ ์ˆ˜ ์žˆ์Šต ๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ์ถ”์„ธ๋Š” ์•ก์„ธ์Šค ํŒจํ„ด์— ๊ณ ์œ ํ•œ ์ž„์˜์„ฑ์ด ์žˆ์Œ์„ ๋‚˜ ํƒ€๋‚ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋˜ํ•œ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ๋ ˆ๋ฒจ ๋˜๋Š” RAID ์ปจํŠธ๋กค ๋Ÿฌ ๋ชจ๋“ˆ ๋ ˆ๋ฒจ์—์„œ ์ด๋Ÿฌํ•œ ์ถ”์„ธ๊ฐ€ ์žˆ๋‹ค๋Š” ๊ฒƒ์€ RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ ๋“ˆ ์บ์‹œ ๋ฉ”๋ชจ๋ฆฌ๋ฅผ ์ถ”๊ฐ€๋กœ ์„ค์น˜ํ•ด์•ผ ํ•จ์„ ๋‚˜ํƒ€๋‚ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค(์ตœ ๋Œ€ ์šฉ๋Ÿ‰์˜ ๋ฉ”๋ชจ๋ฆฌ๊ฐ€ ์„ค์น˜๋˜์–ด ์žˆ์ง€ ์•Š์€ ๊ฒฝ์šฐ).
๊ฐœ๋ณ„ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ์บ์‹œ ์ ์ค‘๋ฅ ์ด ๋‚ฎ์„ ๊ฒฝ์šฐ ํ•ด๋‹น ๊ฐ€์ƒ ๋””์Šคํฌ ์— ๋™์  ์บ์‹œ ์ฝ๊ธฐ ํ”„๋ฆฌํŽ˜์น˜๋ฅผ ํ™œ์„ฑํ™”ํ•ด ๋ณด์‹ญ์‹œ์˜ค. ๋™์  ์บ์‹œ ์ฝ ๊ธฐ ํ”„๋ฆฌํŽ˜์น˜๋Š” ์ˆœ์ฐจ I/O ์›Œํฌ๋กœ๋“œ์˜ ์บ์‹œ ์ ์ค‘๋ฅ ์„ ์ฆ๊ฐ€์‹œํ‚ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์‹ค์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”ฝ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ฐ์ดํ„ฐ ๋ณด๊ธฐ

๋‹จ์ผ ๊ทธ๋ž˜ํ”„ ๋˜๋Š” ํ™”๋ฉด์— 6๊ฐœ์˜ ๊ทธ๋ž˜ํ”„๋ฅผ ํ‘œ์‹œํ•˜๋Š” ๋Œ€์‹œ๋ณด๋“œ๋กœ ์‹ค์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”ฝ ์„ฑ๋Šฅ์„ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์‹ค์‹œ๊ฐ„ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๊ทธ๋ž˜ํ”„๋Š” ์‹œ๊ฐ„ ๊ฒฝ๊ณผ์— ๋”ฐ๋ผ ์ตœ๋Œ€ 5๊ฐœ ๊ฐœ์ฒด์˜ ๋‹จ์ผ ์„ฑ๋Šฅ ๋ฉ”ํŠธ๋ฆญ์„ ๋ณด์—ฌ์ค๋‹ˆ๋‹ค. ๊ทธ๋ž˜ํ”„์˜ X์ถ•์€ ์‹œ๊ฐ„์„ ๋‚˜ํƒ€๋‚ด๋ฉฐ Y ์ถ•์€ ๋ฉ”ํŠธ๋ฆญ ๊ฐ’์„ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค. ๋ฉ”ํŠธ๋ฆญ ๊ฐ’์ด 99,999๋ฅผ ์ดˆ๊ณผํ•˜๋ฉด 100K๋ถ€ํ„ฐ 9999K๊นŒ์ง€ ์ฒœ ๋‹จ์œ„(K)๋กœ ํ‘œ์‹œ๋˜๋ฉฐ 9999K ์ดํ›„๋ถ€ํ„ฐ๋Š” ๋ฐฑ๋งŒ ๋‹จ์œ„(M)๋กœ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค. ๊ฐ’์ด 9999K ์ด์ƒ 100M ๋ฏธ๋งŒ์ผ ๊ฒฝ์šฐ ์†Œ์ˆ˜์ ์œผ๋กœ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค(์˜ˆ: 12.3M).
28 MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด
1. ๋Œ€์‹œ๋ณด๋“œ๋ฅผ ๋ณด๋ ค๋ฉด ์–ด๋ ˆ์ด ๊ด€๋ฆฌ ์ฐฝ(AMW)์—์„œ Performance(์„ฑ๋Šฅ) ํƒญ์„ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค. 6๊ฐœ์˜ ๊ทธ๋ž˜ํ”„๋ฅผ ๋ณด์—ฌ์ฃผ๋Š” Performance(์„ฑ๋Šฅ) ํƒญ์ด ์—ด๋ฆฝ๋‹ˆ๋‹ค.
2. ๋‹จ์ผ ์„ฑ๋Šฅ ๊ทธ๋ž˜ํ”„๋ฅผ ๋ณด๋ ค๋ฉด ์–ด๋ ˆ์ด ๊ด€๋ฆฌ ์ฐฝ(AMW)์—์„œ Monitor(๋ชจ๋‹ˆํ„ฐ) > Health(์ƒํƒœ) > Monitor Performance(์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ) > Real-time performance monitor(์‹ค์‹œ๊ฐ„ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ) > View graphical(๊ทธ๋ž˜ํ”ฝ ๋ณด๊ธฐ)์„ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค. View Real-time Graphical Performance Monitor(์‹ค์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”ฝ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ณด๊ธฐ) ๋Œ€ํ™”์ƒ์ž๊ฐ€ ์—ด๋ฆฝ๋‹ˆ๋‹ค.
3. Select metric(๋ฉ”ํŠธ๋ฆญ ์„ ํƒ) ๋“œ๋กญ๋‹ค์šด ๋ชฉ๋ก์—์„œ, ํ™•์ธํ•  ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค. ๋ฉ”ํŠธ๋ฆญ์„ ํ•˜๋‚˜๋งŒ ์„ ํƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
4. Select an object(s)(๊ฐœ์ฒด ์„ ํƒ) ๋ชฉ๋ก์—์„œ, ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณผ ๊ฐœ์ฒด๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค. ํ•˜๋‚˜์˜ ๊ทธ๋ž˜ํ”„์—์„œ ๋ชจ๋‹ˆํ„ฐ๋งํ•  ๊ฐœ์ฒด๋ฅผ ์ตœ๋Œ€ 5๊ฐœ ์„ ํƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
Ctrl-ํด๋ฆญ ๋ฐ Shift-ํด๋ฆญ์œผ๋กœ ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๊ฐœ์ฒด๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค. ๊ฐ ๊ฐœ์ฒด๋Š” ๊ทธ๋ž˜ํ”„์—์„œ ๋ณ„๋„์˜ ๋ผ์ธ์œผ๋กœ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.
๋…ธํŠธ: ๊ทธ๋ž˜ํ”„์—์„œ ์ •์˜ํ•œ ๋ผ์ธ์ด ํ‘œ์‹œ๋˜์ง€ ์•Š์œผ๋ฉด ๋‹ค๋ฅธ ๋ผ์ธ๊ณผ ๊ฒน์น˜๋Š” ๊ฒƒ์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
5. ์„ฑ๋Šฅ ๊ทธ๋ž˜ํ”„ ๋ณด๊ธฐ๋ฅผ ๋งˆ์น˜๋ฉด Close(๋‹ซ๊ธฐ)๋ฅผ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค.

์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋Œ€์‹œ๋ณด๋“œ ์‚ฌ์šฉ์ž ์ •์˜

Performance(์„ฑ๋Šฅ) ํƒญ์˜ ๋Œ€์‹œ๋ณด๋“œ์—๋Š” ์ฒ˜์Œ์— 5๊ฐœ์˜ ๋ฏธ๋ฆฌ ์ •์˜๋œ ํฌํ‹€๋ฆฟ๊ณผ 1๊ฐœ์˜ ์ •์˜๋˜์ง€ ์•Š์€ ํฌํ‹€๋ฆฟ์ด ํฌํ•จ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฐ€์žฅ ์ ํ•ฉํ•œ ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ํ‘œ์‹œํ•˜๋„๋ก ์ด๋Ÿฌํ•œ ๋ชจ๋“  ํฌํ‹€๋ฆฟ์„ ์‚ฌ์šฉ์ž ์ง€์ •ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
1. ์–ด๋ ˆ์ด ๊ด€๋ฆฌ ์ฐฝ(AMW)์—์„œ Performance(์„ฑ๋Šฅ) ํƒญ์„ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.
2. ๋‹ค์Œ ์กฐ์น˜ ์ค‘ ํ•˜๋‚˜๋ฅผ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.
โ€ข ๋ณ€๊ฒฝํ•  ํฌํ‹€๋ฆฟ์„ ๋‘ ๋ฒˆ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค.
โ€ข ๋˜๋Š” ๋ณ€๊ฒฝํ•  ํฌํ‹€๋ฆฟ์— ์žˆ๋Š” Maximize(์ตœ๋Œ€ํ™”) ์•„์ด์ฝ˜์„ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค.
โ€ข ํฌํ‹€๋ฆฟ 6์—์„œ, Create new real-time performance graph(์ƒˆ ์‹ค์‹œ๊ฐ„ ์„ฑ๋Šฅ ๊ทธ๋ž˜ํ”„ ์ƒ์„ฑ) ๋งํฌ๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค. ์ด ์˜ต์…˜์€ ํฌํ‹€๋ฆฟ 6๊ฐ€
์ •์˜๋˜์ง€ ์•Š์€ ๊ฒฝ์šฐ์—๋งŒ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
View Real-time Graphical Performance Monitor(์‹ค์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”ฝ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ณด๊ธฐ) ๋Œ€ํ™”์ƒ์ž๊ฐ€ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.
3. Select metric(๋ฉ”ํŠธ๋ฆญ ์„ ํƒ) ๋“œ๋กญ๋‹ค์šด ๋ชฉ๋ก์—์„œ, ํ™•์ธํ•  ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.
ํ•œ ๋ฒˆ์— ํ•˜๋‚˜์˜ ๋ฉ”ํŠธ๋ฆญ๋งŒ ์„ ํƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ธฐ์กด ๊ทธ๋ž˜ํ”„์—์„œ ๋Œ€ํ™”์ƒ์ž๋ฅผ ์—ฌ๋Š” ๊ฒฝ์šฐ ํ˜„์žฌ ๋ฉ”ํŠธ๋ฆญ๊ณผ ๊ฐœ์ฒด๊ฐ€ ๋ฏธ๋ฆฌ ์„ ํƒ๋˜์–ด ์žˆ์Šต ๋‹ˆ๋‹ค.
4. Select an object(s)(๊ฐœ์ฒด ์„ ํƒ) ๋ชฉ๋ก์—์„œ, ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณผ ๊ฐœ์ฒด๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค. ํ•˜๋‚˜์˜ ๊ทธ๋ž˜ํ”„์—์„œ ๋ชจ๋‹ˆํ„ฐ๋งํ•  ๊ฐœ์ฒด๋ฅผ 5๊ฐœ๊นŒ์ง€ ์„ ํƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. Ctrl-ํด๋ฆญ ๋ฐ Shift-ํด๋ฆญ์œผ๋กœ ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๊ฐœ์ฒด๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค. ๊ฐ
๊ฐœ์ฒด๋Š” ๊ทธ๋ž˜ํ”„์—์„œ ๋ณ„๋„์˜ ๋ผ์ธ์œผ๋กœ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.
๋…ธํŠธ: ๊ทธ๋ž˜ํ”„์—์„œ ์ •์˜ํ•œ ๋ผ์ธ์ด ํ‘œ์‹œ๋˜์ง€ ์•Š์œผ๋ฉด ๋‹ค๋ฅธ ๋ผ์ธ๊ณผ ๊ฒน์น˜๋Š” ๊ฒƒ์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
5. ๋ณ€๊ฒฝ๋œ ํฌํ‹€๋ฆฟ์„ ๋Œ€์‹œ๋ณด๋“œ์— ์ €์žฅํ•˜๋ ค๋ฉด Save to Dashboard(๋Œ€์‹œ๋ณด๋“œ์— ์ €์žฅ)๋ฅผ ํด๋ฆญํ•˜๊ณ  OK(ํ™•์ธ)๋ฅผ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค. ๋ณ€๊ฒฝ์„ ์ˆ˜ํ–‰ํ•˜์ง€ ์•Š์•˜๊ฑฐ๋‚˜, ๋ฉ”ํŠธ๋ฆญ๊ณผ ๊ฐœ์ฒด ๋‘˜ ๋‹ค ์„ ํƒํ•˜์ง€ ์•Š์•˜๊ฑฐ๋‚˜, ๋Œ€์‹œ๋ณด๋“œ์˜ ํฌํ‹€๋ฆฟ์—์„œ ๋Œ€ํ™”์ƒ์ž๊ฐ€ ํ˜ธ์ถœ๋˜์ง€ ์•Š์€ ๊ฒฝ์šฐ์—๋Š”
Save to Dashboard(๋Œ€์‹œ๋ณด๋“œ์— ์ €์žฅ) ์˜ต์…˜์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค. Performance(์„ฑ๋Šฅ) ํƒญ์˜ ๋Œ€์‹œ๋ณด๋“œ๊ฐ€ ์ƒˆ ํฌํ‹€๋ฆฟ์œผ๋กœ ์—…๋ฐ์ดํŠธ๋ฉ๋‹ˆ๋‹ค.
6. ๋Œ€ํ™”์ƒ์ž๋ฅผ ๋‹ซ์œผ๋ ค๋ฉด Cancel(์ทจ์†Œ)์„ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค.

์„ฑ๋Šฅ ์ง€ํ‘œ ์ง€์ •

๋‹ค์Œ๊ณผ ๊ฐ™์€ ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ์ˆ˜์ง‘ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข ์ด I/O - ํด๋ง ์„ธ์…˜์ด ์‹œ์ž‘๋œ ์ดํ›„์— ์ด ๊ฐœ์ฒด๊ฐ€ ์ˆ˜ํ–‰ํ•œ ์ด I/O.
โ€ข ์ดˆ๋‹น I/O - ํ˜„์žฌ ํด๋ง ๊ฐ„๊ฒฉ ๋™์•ˆ ์ดˆ๋‹น ์ œ๊ณต๋œ I/O ์š”์ฒญ์˜ ์ˆ˜(I/O ์š”์ฒญ๋ฅ ์ด๋ผ๊ณ ๋„ ํ•จ)
โ€ข ์ดˆ๋‹น MB - ํ˜„์žฌ ํด๋ง ๊ฐ„๊ฒฉ ๋™์•ˆ์˜ ์ „์†ก ์†๋„. ์ „์†ก ์†๋„๋Š” ์ดˆ๋‹น I/O ๋ฐ์ดํ„ฐ ์—ฐ๊ฒฐ์„ ํ†ตํ•ด ์ด๋™ํ•  ์ˆ˜ ์žˆ๋Š” ๋ฐ์ดํ„ฐ์˜ ์–‘์„ ๋ฉ”๊ฐ€๋ฐ”์ดํŠธ ๋กœ ํ‘œ์‹œํ•œ ๊ฒƒ์ž…๋‹ˆ๋‹ค(์ฒ˜๋ฆฌ๋Ÿ‰์ด๋ผ๊ณ ๋„ ํ•จ).
๋…ธํŠธ: 1ํ‚ฌ๋กœ๋ฐ”์ดํŠธ๋Š” 1,024๋ฐ”์ดํŠธ์ด๊ณ  1๋ฉ”๊ฐ€๋ฐ”์ดํŠธ๋Š” 1,024 x 1,024๋ฐ”์ดํŠธ์ž…๋‹ˆ๋‹ค. ์ผ๋ถ€ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์—์„œ๋Š” ํ‚ฌ๋กœ๋ฐ”์ดํŠธ๋ฅผ
1,000๋ฐ”์ดํŠธ๋กœ ๊ณ„์‚ฐํ•˜๊ณ  ๋ฉ”๊ฐ€๋ฐ”์ดํŠธ๋ฅผ 1,000,000๋ฐ”์ดํŠธ๋กœ ๊ณ„์‚ฐํ•ฉ๋‹ˆ๋‹ค. ์ด๋Ÿฌํ•œ ์ฐจ์ด๋กœ ์ธํ•ด ๋ชจ๋‹ˆํ„ฐ์— ํ‘œ์‹œ๋˜๋Š” ์ˆซ์ž๊ฐ€ ๋‹ค๋ฅผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
โ€ข I/O ๋Œ€๊ธฐ ์‹œ๊ฐ„ - I/O ์š”์ฒญ์„ ์ฒ˜๋ฆฌํ•˜๋Š” ๋ฐ ์†Œ์š”๋˜๋Š” ๋ฐ€๋ฆฌ์ดˆ ๋‹จ์œ„์˜ ์‹œ๊ฐ„. ์‹ค์ œ ๋””์Šคํฌ์˜ ๊ฒฝ์šฐ I/O ๋Œ€๊ธฐ ์‹œ๊ฐ„์— ๊ฒ€์ƒ‰, ํšŒ์ „ ๋ฐ ์ „์†ก ์‹œ ๊ฐ„์ด ํฌํ•จ๋ฉ๋‹ˆ๋‹ค.
โ€ข ์บ์‹œ ์ ์ค‘๋ฅ  โ€“ ๋””์Šคํฌ์˜ I/O๋ฅผ ์š”์ฒญํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ ์บ์‹œ์˜ ๋ฐ์ดํ„ฐ๋กœ ์ฒ˜๋ฆฌ๋˜๋Š” ์ด I/O์˜ ๋น„์œจ์ž…๋‹ˆ๋‹ค. ์—ฌ๊ธฐ์—๋Š” ์บ์‹œ์˜ ๋ชจ๋“  ๋ฐ์ด ํ„ฐ๋ฅผ ์ฐพ์•„๋‚ด๋Š” ์ฝ๊ธฐ ์š”์ฒญ๊ณผ ๋””์Šคํฌ์— ์ปค๋ฐ‹๋˜๊ธฐ ์ „์— ์บ์‹œ ๋ฐ์ดํ„ฐ์˜ ๋ฎ์–ด์“ฐ๊ธฐ๋ฅผ ์œ ๋ฐœํ•˜๋Š” ์“ฐ๊ธฐ ์š”์ฒญ์ด ํฌํ•จ๋ฉ๋‹ˆ๋‹ค.
โ€ข SSD ์บ์‹œ ์ ์ค‘๋ฅ  โ€“ SSD ์‹ค์ œ ๋””์Šคํฌ์˜ ๋ฐ์ดํ„ฐ๋กœ ์ฒ˜๋ฆฌ๋˜๋Š” ์ฝ๊ธฐ I/O์˜ ๋น„์œจ.
MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด 29
์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ๋ฉ”ํŠธ๋ฆญ์—๋Š” ํ˜„์žฌ ๊ฐ’, ์ตœ์†Œ ๊ฐ’, ์ตœ๋Œ€ ๊ฐ’, ํ‰๊ท  ๊ฐ’์ด ์žˆ์Šต๋‹ˆ๋‹ค. ํ˜„์žฌ ๊ฐ’์€ ๊ฐ€์žฅ ์ตœ๊ทผ์— ์ˆ˜์ง‘๋œ ๋ฐ์ดํ„ฐ ์ง€์ ์ž…๋‹ˆ๋‹ค. ์ตœ์†Œ, ์ตœ๋Œ€, ํ‰๊ท  ๊ฐ’์€ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง ์‹œ์ž‘์„ ๊ธฐ์ค€์œผ๋กœ ๊ฒฐ์ •๋ฉ๋‹ˆ๋‹ค. ์‹ค์‹œ๊ฐ„ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง์˜ ๊ฒฝ์šฐ, ์–ด๋ ˆ์ด ๊ด€๋ฆฌ ์ฐฝ(AMW)์ด ์—ด๋ฆฌ๋Š” ์‹œ์ ์ด ์‹œ์ž‘ ์‹œ์ ์ž…๋‹ˆ๋‹ค. ๋ฐฐ๊ฒฝ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง์˜ ๊ฒฝ์šฐ, ๋ฐฐ๊ฒฝ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง์ด ์‹œ์ž‘๋˜๋Š” ์‹œ์ ์ด ์‹œ์ž‘ ์‹œ์ ์ž…๋‹ˆ๋‹ค.
์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ˆ˜์ค€์—์„œ ์„ฑ๋Šฅ ์ง€ํ‘œ๋Š” RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ์˜ ์ง€ํ‘œ ํ•ฉ๊ณ„์ž…๋‹ˆ๋‹ค. RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ๋ฐ ๋””์Šคํฌ ๊ทธ๋ฃน์˜ ์ง€ํ‘œ๋Š” ๋””์Šคํฌ ๊ทธ๋ฃน/์†Œ์œ  RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ์ˆ˜์ค€์—์„œ ๊ฐ ๊ฐ€์ƒ ๋””์Šคํฌ์— ๋Œ€ํ•ด ๊ฒ€์ƒ‰๋œ ๋ฐ์ดํ„ฐ๋ฅผ ์ง‘๊ณ„ํ•˜์—ฌ ๊ณ„์‚ฐ๋ฉ๋‹ˆ๋‹ค. RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ๋˜๋Š” ์Šค ํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋ณด๊ณ ๋œ ๊ฐ’์€ ๋ชจ๋“  ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋ณด๊ณ ๋œ ๊ฐ’์˜ ํ•ฉ๊ณ„๋ณด๋‹ค ํด ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. RAID ์ปจํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ๋˜๋Š” ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์˜ ๋ณด๊ณ ๋œ ๊ฐ’์—๋Š” ํ˜ธ์ŠคํŠธ I/O ๋ฐ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด์˜ ๋‚ด๋ถ€ I/O(๋ฉ”ํƒ€๋ฐ์ดํ„ฐ ์ฝ๊ธฐ ๋ฐ ์“ฐ๊ธฐ) ๋‘˜ ๋‹ค ํฌํ•จ๋˜๋ฉฐ ๊ฐ€์ƒ ๋””์Šคํฌ์˜ ๋ณด๊ณ ๋œ ๊ฐ’์—๋Š” ํ˜ธ์ŠคํŠธ I/O๋งŒ ํฌํ•จ๋ฉ๋‹ˆ๋‹ค.
์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๊ทธ๋ž˜ํ”„์—์„œ 1๊ฐœ์˜ ์ง€ํ‘œ์™€ ์ตœ๋Œ€ 5๊ฐœ์˜ ๊ฐ์ฒด๋ฅผ ์ง€์ •ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ผ๋ถ€ ์ง€ํ‘œ๋Š” ๋ชจ๋“  ๊ฐ์ฒด์— ์ ์šฉ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
ํ‘œ 5. ์„ฑ๋Šฅ ์ง€ํ‘œ
๋ฉ”ํŠธ๋ฆญ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ดRAID ์ปจํŠธ๋กค
์ด I/O X X X X X X โ€“
IO/์ดˆ X X X X X X โ€“
MB/์ดˆ X X X X X X โ€“
I/O ๋Œ€๊ธฐ ์‹œ๊ฐ„ โ€“ โ€“ X X X โ€“ X
์บ์‹œ ์ ์ค‘๋ฅ  (%)
X X X X X X โ€“
๋Ÿฌ ๋ชจ๋“ˆ
๊ฐ€์ƒ ๋””์Šคํฌ ์Šค๋ƒ…์ƒท ๊ฐ€์ƒ
๋””์Šคํฌ
์”ฌ ๊ฐ€์ƒ ๋””์Šคํฌ๋””์Šคํฌ ๊ทธ๋ฃน
๋˜๋Š” ๋””์Šคํฌ ํ’€
๋ฌผ๋ฆฌ ๋””์Šคํฌ

์‹ค์‹œ๊ฐ„ ํ…์ŠคํŠธ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ณด๊ธฐ

1. ์–ด๋ ˆ์ด ๊ด€๋ฆฌ ์ฐฝ(AMW)์—์„œ ๋‹ค์Œ ์ค‘ ํ•˜๋‚˜๋ฅผ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.
โ€ข Click the Performance(์„ฑ๋Šฅ) ํƒญ์„ ํด๋ฆญํ•˜๊ณ  Launch real-time textual performance monitor(์‹ค์‹œ๊ฐ„ ํ…์ŠคํŠธ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ
์‹คํ–‰) ๋งํฌ๋ฅผ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค.
โ€ข Monitor(๋ชจ๋‹ˆํ„ฐ) > Health(์ƒํƒœ) > Monitor Performance(์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ) > Real-time performance monitor(์‹ค์‹œ๊ฐ„ ์„ฑ๋Šฅ ๋ชจ
๋‹ˆํ„ฐ) > View textual(ํ…์ŠคํŠธ ๋ณด๊ธฐ)์„ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.
View Real-time Textual Performance Monitor(์‹ค์‹œ๊ฐ„ ํ…์ŠคํŠธ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ ๋ณด๊ธฐ) ๋Œ€ํ™”์ƒ์ž๊ฐ€ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.
2. ๋ชจ๋‹ˆํ„ฐ๋งํ•  ๊ฐœ์ฒด์™€ ์ƒ˜ํ”Œ๋ง ๊ฐ„๊ฒฉ์„ ์„ ํƒํ•˜๋ ค๋ฉด Settings(์„ค์ •) ๋‹จ์ถ”๋ฅผ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค. Settings(์„ค์ •) ๋‹จ์ถ”๋Š” ์‹ค์‹œ๊ฐ„ ํ…์ŠคํŠธ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๊ฐ€ ์‹œ์ž‘๋˜์ง€ ์•Š์•˜์„ ๋•Œ๋งŒ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
Performance Summary Settings(์„ฑ๋Šฅ ์š”์•ฝ ์„ค์ •) ๋Œ€ํ™” ์ƒ์ž๊ฐ€ ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค.
3. Select an object(s)(๊ฐœ์ฒด ์„ ํƒ) ๋ชฉ๋ก์—์„œ, ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณผ ๊ฐœ์ฒด๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค. ์›ํ•˜๋Š” ์ˆ˜๋งŒํผ ๊ฐœ์ฒด๋ฅผ ์„ ํƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. Ctrl-ํด๋ฆญ ๋ฐ Shift-ํด๋ฆญ์œผ๋กœ ์—ฌ๋Ÿฌ ๊ฐœ์˜ ๊ฐœ์ฒด๋ฅผ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค. ๋ชจ๋“  ๊ฐœ์ฒด๋ฅผ ์„ ํƒํ•˜๋ ค๋ฉด
Select All(๋ชจ๋‘ ์„ ํƒ) ํ™•์ธ๋ž€์„ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.
4. Sampling Interval(์ƒ˜ํ”Œ๋ง ๊ฐ„๊ฒฉ) ๋ชฉ๋ก์—์„œ, ์›ํ•˜๋Š” ์ƒ˜ํ”Œ๋ง ๊ฐ„๊ฒฉ์„ ์„ ํƒํ•ฉ๋‹ˆ๋‹ค.
์ƒ˜ํ”Œ๋ง ๊ฐ„๊ฒฉ์€ 5์ดˆ-3600์ดˆ ๋ฒ”์œ„์—์„œ ์„ ํƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฑฐ์˜ ์‹ค์‹œ๊ฐ„์œผ๋กœ ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ๋ฅผ ๋ณด๋ ค๋ฉด ์ƒ˜ํ”Œ๋ง ๊ฐ„๊ฒฉ์„ ์งง๊ฒŒ ์„ ํƒํ•˜์‹ญ์‹œ ์˜ค(์˜ˆ: 5์ดˆ). ํ•˜์ง€๋งŒ ์ƒ˜ํ”Œ๋ง ๊ฐ„๊ฒฉ์ด ์งง์œผ๋ฉด ์„ฑ๋Šฅ์— ์˜ํ–ฅ์„ ์ค„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ฒฐ๊ณผ๋ฅผ ํŒŒ์ผ๋กœ ์ €์žฅํ•˜๊ณ  ๋‚˜์ค‘์— ํ™•์ธํ•˜๋ ค๋ฉด ์ƒ˜ํ”Œ๋ง ๊ฐ„ ๊ฒฉ์„ ๊ธธ๊ฒŒ ์„ ํƒํ•˜์‹ญ์‹œ์˜ค(์˜ˆ: 30์ดˆ-60์ดˆ). ์ด๋ ‡๊ฒŒ ํ•˜๋ฉด ์‹œ์Šคํ…œ ์˜ค๋ฒ„ํ—ค๋“œ ๋ฐ ์„ฑ๋Šฅ ์˜ํ–ฅ์„ ์ตœ์†Œํ™”ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
5. ํ™•์ธ์„ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค.
6. ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ ์ˆ˜์ง‘ ์‹œ์ž‘ํ•˜๋ ค๋ฉด Start(์‹œ์ž‘)๋ฅผ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค. ๋ฐ์ดํ„ฐ ์ˆ˜์ง‘์ด ์‹œ์ž‘๋ฉ๋‹ˆ๋‹ค.
๋…ธํŠธ: ์ •ํ™•ํ•œ ๊ฒฝ๊ณผ ์‹œ๊ฐ„์„ ํ™•์ธํ•˜๋ ค๋ฉด ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋™์•ˆ Synchronize RAID controller module Clocks(RAID ์ปจ
ํŠธ๋กค๋Ÿฌ ๋ชจ๋“ˆ ํด๋Ÿญ ๋™๊ธฐํ™”) ์˜ต์…˜์„ ์‚ฌ์šฉํ•˜์ง€ ๋งˆ์‹ญ์‹œ์˜ค. ์ด ์˜ต์…˜์„ ์‚ฌ์šฉํ•˜๋ฉด ๊ฒฝ๊ณผ ์‹œ๊ฐ„์ด ์Œ์ˆ˜ ๊ฐ’์ด ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
7. ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ ์ˆ˜์ง‘์„ ์ค‘์ง€ํ•˜๋ ค๋ฉด Stop(์ค‘์ง€)์„ ํด๋ฆญํ•œ ๋‹ค์Œ Close(๋‹ซ๊ธฐ)๋ฅผ ํด๋ฆญํ•ฉ๋‹ˆ๋‹ค.

์‹ค์‹œ๊ฐ„ ํ…์ŠคํŠธ ์„ฑ๋Šฅ ๋ฐ์ดํ„ฐ ์ €์žฅ

์‹ค์‹œ๊ฐ„ ๊ทธ๋ž˜ํ”ฝ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง๊ณผ๋Š” ๋‹ฌ๋ฆฌ ์‹ค์‹œ๊ฐ„ ํ…์ŠคํŠธ ์„ฑ๋Šฅ ๋ชจ๋‹ˆํ„ฐ๋ง์—๋Š” ๋ฐ์ดํ„ฐ ์ €์žฅ ๊ธฐ๋Šฅ์ด ์žˆ์Šต๋‹ˆ๋‹ค. ๋ฐ์ดํ„ฐ ์ €์žฅ ๊ธฐ๋Šฅ์€ ๊ฐ€์žฅ ์ตœ ๊ทผ์˜ ์ƒ˜ํ”Œ๋ง ๊ธฐ๊ฐ„ ๋™์•ˆ์˜ ๋‹จ์ผ ๋ฐ์ดํ„ฐ ์„ธํŠธ๋งŒ ์ €์žฅํ•ฉ๋‹ˆ๋‹ค.
1. ์–ด๋ ˆ์ด ๊ด€๋ฆฌ ์ฐฝ(AMW)์—์„œ ๋‹ค์Œ ์ค‘ ํ•˜๋‚˜๋ฅผ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.
30 MD ์‹œ๋ฆฌ์ฆˆ ์Šคํ† ๋ฆฌ์ง€ ์–ด๋ ˆ์ด ์ •๋ณด
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