LaCie 5big Storage Server, Professional Server Technical Brief

Page 1
LaCie Professional Server Table of Contents
Technical Brief: RAID page 1
Table of Contents
1. Introduction .................................................................................................................. 4
2. Administrator ............................................................................................................... 4
3. Removing and Installing Disks ...................................................................................... 5
3.1. MBR, GPT and the 5big Storage Server Operating System ................................................................... 6
3.2. Disk Model and Disk Sectors ............................................................................................................. 6
3.3. Drives with Capacities Greater than 2TB ............................................................................................ 6
3.4. Removing a Disk Tray ....................................................................................................................... 7
3.5. Fastening a non-LaCie Hard Disk to the 5big Enclosure Drive Tray ....................................................... 8
3.6. 5big Enclosure Numbered Slots and Disk Trays ................................................................................ 10
3.7. Insert a Disk .................................................................................................................................. 10
4. Disk Numbering ......................................................................................................... 11
4.1. Disk Numbering: Windows Disk Management .................................................................................. 11
4.1.1. Recovering the 5big Storage Server Default Disk Order ........................................................... 15
4.2. Disk Numbering: LaCie Hardware Monitor ....................................................................................... 16
5. RAID - Five Disk Server ............................................................................................... 17
5.1. Default RAID ................................................................................................................................. 17
5.2. Adjusting the RAID ......................................................................................................................... 19
5.3. Five Disks: System Volume Mirror .................................................................................................... 20
5.3.1. Boot Order and Creating the Mirror After a Recovery .............................................................. 20
5.3.2. Creating the Mirror ............................................................................................................... 22
5.4. Swap Volume: RAID 5 .................................................................................................................... 24
5.4.1. Create the Swap Volume ....................................................................................................... 25
5.4.2. Create the Swap File ............................................................................................................ 29
5.5. Data Volume: RAID 5 ..................................................................................................................... 32
5.6. Volume Activity During a Resynch .................................................................................................... 36
5.6.1. Rebooting During a Resynch.................................................................................................. 36
5.6.2. Accessing Data on a Volume that is Resynching ...................................................................... 36
6. RAID - Two Disk Server .............................................................................................. 37
6.1. Two Disk Suggested RAID Configuration .......................................................................................... 37
6.2. Adjusting the RAID ......................................................................................................................... 38
6.3. 5big Storage Server Single Disk Default Configuration ...................................................................... 38
6.4. Boot Order and Creating the System Mirror ..................................................................................... 39
6.5. Creating the System Mirror ............................................................................................................. 40
6.6. Creating the Data Mirror ................................................................................................................ 42
7. RAID - Three Disk Server ............................................................................................ 45
7.1. Three Disk Suggested RAID Configuration ........................................................................................ 45
7.2. Adjusting the RAID ......................................................................................................................... 47
7.3. 5big Storage Server Single Disk Default Configuration ...................................................................... 47
7.4. Boot Order and Creating the System Mirror ..................................................................................... 48
7.5. Creating the System Mirror ............................................................................................................. 49
7.6. Simple Volume: Swap File ............................................................................................................... 51
7.7. Data Volume: RAID 5 ..................................................................................................................... 56
8. RAID - Four Disk Server .............................................................................................. 62
8.1. Four Disk Suggested RAID Configuration ......................................................................................... 62
8.2. Adjusting the RAID ......................................................................................................................... 64
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LaCie Professional Server Table of Contents
Technical Brief: RAID page 2
8.3. Creating the System Mirror ............................................................................................................. 64
8.4. Swap File and Data: Mirror ............................................................................................................. 64
8.5. Data Volume: RAID 5 ..................................................................................................................... 71
9. Repairing RAID Configurations ................................................................................... 77
9.1. Reinserting a Healthy Disk .............................................................................................................. 77
9.2. Repairing the System Mirror and RAID 5 After a Disk Failure .............................................................. 79
9.2.1. Removing the Missing Disk .................................................................................................... 86
9.2.2. Replacing Disk 0 .................................................................................................................. 89
9.2.3. Rebooting During a Resynch.................................................................................................. 89
10. Contacting Customer Support ................................................................................... 90
10.1. LaCie Technical Support Contacts ................................................................................................... 90
Page 3
LaCie Professional Server Foreword
Technical Brief: RAID page 3
Copyrights
Copyright © 2011 LaCie. All rights re­served. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written consent of La­Cie.
Trademarks
Apple, Mac, Mac OS, and Macintosh are registered trademarks of Apple Inc. Micro­soft, Windows 2000, Windows XP, Win­dows Vista, and Windows 7 are registered trademarks of Microsoft Corporation. Oth­er trademarks mentioned in this manual are the property of their respective owners.
IMPORTANT INFO: Any loss, corruption
or destruction of data while using a LaCie device is the sole responsibility of the user, and under no circumstances will LaCie be held liable for the recovery or restoration of this data. To help prevent the loss of your data, LaCie highly recommends that you keep TWO copies of your data; one copy on your LaCie device, for instance, and a second copy either on your internal hard disk, another external hard disk or some other form of removable storage media. LaCie offers a complete line of hard drives and optical devices that may be used for backup. If you would like more information on backup, please refer to our website.
Changes
The material in this document is for infor­mation only and subject to change without notice. While reasonable efforts have been made in the preparation of this document to assure its accuracy, LaCie assumes no liabil­ity resulting from errors or omissions in this document, or from the use of the informa­tion contained herein. LaCie reserves the right to make changes or revisions in the product design or the product manual without reser­vation and without obligation to notify any person of such revisions and changes.
IMPORTANT INFO: 1GB =
1,000,000,000 bytes. 1TB = 1,000,000,000,000 bytes. Once format­ted, the actual available storage capacity varies depending on operating environ­ment (typically 5-10% less).
110202v1.2
Page 4
LaCie Professional Server Introduction
Technical Brief: RAID page 4
1. Introduction
This Technical Brief assumes that the reader has a basic understand­ing of RAID (Redundant Array of Independent/Inexpensive Disks) and the benefits of securing data on multiple disk arrays. For those interested in learning more about RAID, please visit LaCie’s Tech-
nology Page and read our detailed White Paper.
IMPORTANT INFO: This Technical Brief offers a description of
Windows® Storage Server 2008 RAID implementation on the 5big Storage Server. The information regarding RAID does not apply to the 12big Rack Network since it includes a hardware RAID solution.
2. Administrator
In order to review, confirm, or redefine the software settings on your LaCie professional server, you must have Administrative rights to the device.
Quick Links
Click a topic:
Removing and Installing Disks
RAID - Five Disk Server
RAID - Two Disk Server
RAID - Three Disk Server
RAID - Four Disk Server
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LaCie Professional Server 5big Enclosure: Disk Install
Technical Brief: RAID page 5
3. Removing and Installing Disks
IMPORTANT INFO: In the event that an individual hard disk fails
in the LaCie 5big Storage Server, contact your LaCie reseller or LaCie Customer Support for technical assistance. If the problem drive was purchased from LaCie and it is within the warranty period, please replace it with a hard drive provided by LaCie. LaCie will not replace a non-LaCie hard drive or any hard drive purchased from a third party.
Please note the following before replacing or adding a hard drive:
✦ Make certain to choose the slot with the problem drive.
✦ The LaCie 5big Storage Server drives may be hot after con-
tinuous use. Please use caution when removing one or more drives from the enclosure.
✦ Use care when inserting or removing more than one disk while
the 5big Storage Server is powered on. If disks are rapidly inserted or removed while the 5big Storage Server is turned on, the system may not function properly or the drives will lose recognition. You must wait at least ten seconds between each insertion or removal of additional disk drives.
Please read the following sections if before purchasing a non-LaCie disk:
3.1. MBR, GPT and the 5big Storage Server Operating System
3.2. Disk Model and Disk Sectors
3.3. Drives with Capacities Greater than 2TB
Please follow the directions in the following sections when installing a non-LaCie disk or replacing a LaCie 5big drive.
3.4. Removing a Disk Tray
3.5. Fastening a non-LaCie Hard Disk to the 5big Enclosure Drive Tray
3.6. 5big Enclosure Numbered Slots and Disk Trays
3.7. Insert a Disk
Page 6
LaCie Professional Server 5big Enclosure: Disk Install
Technical Brief: RAID page 6
3.1. MBR, GPT and the 5big Storage
Server Operating System
Master Boot Record (MBR) partitioning has been the hard drive standard for many years. It supports a maximum of four primary partitions with a size limit of 2TB per partition. Due to partition limi­tations in the face of ever-expanding hard disk drive sizes, Global Unique Identifier Partition Tables (GPT) now allows more partitions with greater capacities. Further, GPT has additional advantages that can enhance performance.
Please note that the 5big Storage Server operating system must run on disks formatted with MBR. If the operating system is stored on mirrored drives, both disks must be formatted with MBR.
However, LaCie supports using data drives formatted with GPT.
Switching from MBR to GPT or, conversely, from GPT to MBR, is not difficult. Please copy all important data to a separate disk be­fore making the change since adjusting the partition table format is destructive:
Right-click on My Computer and choose Manage. From the Man- age window select Disk Management and find your LaCie disk drive. Right-click on the disk number to choose GPT or MBR.
3.3. Drives with Capacities Greater than 2TB
At the time of this writing, disks larger than 2TB are not tested within the 5big enclosure. Please note that LaCie cannot support disks larger than 2TB without evaluating their performance, integrity, and durability. With greater market adaptation, LaCie will incorporate a wider range of drives into its rigorous qualification model. Please go to www.lacie.com for periodic updates on the list of supported LaCie and non-LaCie hard disks for the 5big enclosure.
The RAID configurations in this Technical Brief assume 1TB or 2TB drives. Further, the examples include disks with the same capacity. Administrators are advised to follow the default or recommended configurations within this Technical Brief and to use two to five disks of equal capacity within the enclosure.
You may experience problems when installing unsupported drives in the 5big enclosure. For example, attempting to use one or two 3TB drives in the system mirror. Since the drive(s) must be formatted with MBR to run Windows Storage Server 2008 on the 5big Storage Server, the system only recognizes the first 2TB of storage. The ad­ministrator risks losing 1TB to 2TB of storage capacity.
Certainly, larger capacity external drives are recommended when backing up the 5big Storage Server data via the USB 2.0 and eSATA ports. Make certain to format external backup drives with capacities greater than 2TB using GPT.
3.2. Disk Model and Disk Sectors
For optimal performance and to avoid potential conflicts, LaCie rec­ommends that:
✦ non-LaCie drives used in the 5big enclosure are the same
model.
✦ the disk sectors among the 5big enclosure drives are equal.
Please check the specifications of the disk(s) for further information.
IMPORTANT INFO: LaCie cannot guarantee compatibility, per-
formance, or reliability when using non-LaCie disks that have not been tested with the 5big enclosure.
Page 7
LaCie Professional Server 5big Enclosure: Disk Install
Technical Brief: RAID page 7
3.4. Removing a Disk Tray
Adding a non-LaCie disk to an empty slot in the 5big Stor­age Server: The order of disks in the 5big enclosure can be
important. LaCie recommends inserting new drives in the order of the numbered slots, from left to right. For example, if the first slot on the left (Slot 1) contains the sole drive in the enclosure, choose the second slot from the left (Slot 2) for the next drive. See 4. Disk
Numbering for additional information on disk numbering.
1. Use the included drive lock tool to unlock the drive tray. Turn the
lock until it is vertical. (Fig. 01)
2. Place your index finger into the space behind the handle. (Fig.
02)
3. Draw out the drive tray handle and carefully extract it. Please
use caution when removing the drive tray. (Fig. 03).
Adding a non-LaCie drive: Go to 3.5. Fastening a non-LaCie Hard
Disk to the 5big Enclosure Drive Tray.
Installing a 5big disk from LaCie as a replacement or additional storage: Go to 3.7. Insert a Disk.
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Fig. 01
o
Fig. 02
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Fig. 03
Page 8
LaCie Professional Server 5big Enclosure: Disk Install
Technical Brief: RAID page 8
3.5. Fastening a non-LaCie Hard Disk to the 5big Enclosure Drive Tray
IMPORTANT INFO: Drives sold by LaCie are the preferred choice
for your 5big Storage Server. LaCie disks specially prepared for the 5big enclosure are tested and shipped in a drive tray for easy instal­lation. Additionally, all 5big hard drives include a 3-year warranty. Visit www.lacie.com for more information on purchasing a 5big disk drive.
Please note the following before fastening your non-LaCie hard drive to the drive tray:
✦ Only 3.5” SATA II drives may be used in the 5big enclosure.
Please visit the Support page at www.lacie.com for a list of drives that have been tested by LaCie. LaCie cannot guaran­tee performance or compatibility with the 5big Storage Server when using non-LaCie drives or drives that have not been tested by LaCie.
✦ Use only the screws supplied in your packaging when fasten-
ing the non-LaCie hard drive to the drive tray (Fig. 04 - 5big
Drive Tray and Four Screws)
✦ To avoid potential problems caused by electrostatic discharge
(ESD), it is recommended that you do not touch the hard drive’s printed circuit board (Fig. 05 - To prevent ESD, avoid
touching the hard drive printed circuit board). As a further
precaution against ESD, please use an anti-static wristband or an anti-static mat to ground yourself when handling the hard drive.
continued on the next page>>
Fig. 04 - 5big Drive Tray and Four Screws
Fig. 05 - To prevent ESD, avoid touching the hard drive
printed circuit board
Page 9
LaCie Professional Server 5big Enclosure: Disk Install
Technical Brief: RAID page 9
Fastening a disk to the drive tray:
1. Find a suitable work area with adequate space and a flat, even surface.
2. Locate the empty 5big drive tray and four drive tray screws in­cluded in your packaging. Do not fasten a disk to a 5big enclo­sure drive tray with alternative screws. Doing so may damage the drive tray as well as your non-LaCie disk. Make certain that your non-LaCie 3.5” SATA II disk and a Phillips head screw­driver are within reach as well. Please confirm that the head of the screwdriver is the proper size for the drive tray screws provided by LaCie.
3. Place the empty drive tray onto the flat work area. The handle should be on the bottom left, with the lock icon pointing away from you (Fig. 06).
4. With its label side facing up, gently place the hard disk within the drive tray (Fig. 07). The four tray screw slots should be neatly aligned with the disk’s four screw holes. Please note that the printed circuit board will be flat on the work space and the SATA connector facing to the right.
5. Using the Phillips head screwdriver, carefully fasten all four screws into their slots. Do not overly tighten the screws. Do­ing so may negatively affect the integrity of the screw holes on the drive as well as the threads on the screws (Fig. 08).
6. Go to 3.7. Insert a Disk for details on inserting the disk tray into the 5big enclosure.
Fig. 06
Fig. 07
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aliquet imperdiet, libero ipsum tristique tortor, a aliquet elit enim placerat
nisi. Sed quis neque nulla, ac congue tortor. Suspendisse et nibh tellus.
Etiam eu rhoncus ante. Cras neque eros, posuere sed pulvinar nec, auctor
nec justo.
LaCie U.S. • 22985 NW Evergreen Parkway, Hillsboro, OR 97124 USA
LaCie S.A. • 17, rue Ampère 91349 Massy Cedex France
* 1TB (Terabyte) = 1000GB. 1GB = 1,000,000,000 bytes EN Total accessible capacity varies depending upon operating
environment (typically 5–10% less). FR La capacité totale disponible varie en fonction de l’environnement d’exploitation (5
à 10 % de moins, en général). IT La capacità accessibile totale varia a seconda dell’ambiente operativo ed è
generalmente pari al 5-10% in meno. DE Der insgesamt verfügbare Speicher ist von der Betriebsumgebung abhängig (in
der Regel 5 bis 10 % weniger). ES La capacidad total accesible varía en función del entorno operativo (normalmente
entre un 5 -10% menos). NL De totale bruikbare capaciteit varieert afhankelijk van de gebruiksomgeving (gewoonlijk 5 à
10% minder).**For optimal performance, the drive must be connected to a USB 3.0 host port. ***Calculations are based
on approximately 15GB HD video, 700MB MPEG-4 video, 3.6MB music file and 3MB JPEG photo. Cannot be
combined with any other Wuala offer. Full terms and conditions available at www.wuala.com/lacie
©2010, LaCie. The LaCie logo is a trademark of LaCie. Other product and brand names mentioned herein may be
trademarks or registered trademarks of their respective owners. Specifications and appearance are given as guidelines
and are subject to change without notice. Use of this device to make unauthorized copies may require the permission of
the copyright owner. LaCie cannot be held responsible for the unlawful use of this drive. www.lacie.com
Fig. 08
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut porttitor, nibh nec
aliquet imperdiet, libero ipsum tristique tortor, a aliquet elit enim placerat
nisi. Sed quis neque nulla, ac congue tortor. Suspendisse et nibh tellus.
Etiam eu rhoncus ante. Cras neque eros, posuere sed pulvinar nec, auctor
nec justo.
LaCie U.S. • 22985 NW Evergreen Parkway, Hillsboro, OR 97124 USA
LaCie S.A. • 17, rue Ampère 91349 Massy Cedex France
* 1TB (Terabyte) = 1000GB. 1GB = 1,000,000,000 bytes EN Total accessible capacity varies depending upon operating
environment (typically 5–10% less). FR La capacité totale disponible varie en fonction de l’environnement d’exploitation (5
à 10 % de moins, en général). IT La capacità accessibile totale varia a seconda dell’ambiente operativo ed è
generalmente pari al 5-10% in meno. DE Der insgesamt verfügbare Speicher ist von der Betriebsumgebung abhängig (in
der Regel 5 bis 10 % weniger). ES La capacidad total accesible varía en función del entorno operativo (normalmente
entre un 5 -10% menos). NL De totale bruikbare capaciteit varieert afhankelijk van de gebruiksomgeving (gewoonlijk 5 à
10% minder).**For optimal performance, the drive must be connected to a USB 3.0 host port. ***Calculations are based
on approximately 15GB HD video, 700MB MPEG-4 video, 3.6MB music file and 3MB JPEG photo. Cannot be
combined with any other Wuala offer. Full terms and conditions available at www.wuala.com/lacie
©2010, LaCie. The LaCie logo is a trademark of LaCie. Other product and brand names mentioned herein may be
trademarks or registered trademarks of their respective owners. Specifications and appearance are given as guidelines
and are subject to change without notice. Use of this device to make unauthorized copies may require the permission of
the copyright owner. LaCie cannot be held responsible for the unlawful use of this drive. www.lacie.com
Page 10
LaCie Professional Server 5big Enclosure: Disk Install
Technical Brief: RAID page 10
3.6. 5big Enclosure Numbered Slots and Disk Trays
For convenience when adding or removing disks, the 5big enclosure drive slots and trays have matching numbers (Fig. 09).
IMPORTANT INFO: The order of disks in the 5big enclosure can
be important. LaCie recommends inserting new drives in the order of the numbered slots, from left to right. For example, if the first slot on the left (Slot 1) contains the sole drive in the enclosure, choose the second slot from the left (Slot 2) for the next drive.
3.7. Insert a Disk
7. Make certain that the replacement or new drive is securely fas-
tened to a drive tray. See 3.5. Fastening a non-LaCie Hard Disk
to the 5big Enclosure Drive Tray if you are adding a non-LaCie
drive.
8. Carefully insert the drive tray into the empty drive slot. You will feel resistance when the drive tray is most of the way in the bay. Gently push the drive tray handle firmly until you feel the drive snap into place. The drive tray handle should be flush with the back of the 5big enclosure.
9. Use the drive lock tool to lock the drive in place.
10. Please read 4. Disk Numbering before configuring the 5big
Storage Server RAID. To begin configuring the RAID go to:
✦ Five Disk Server: 5. RAID - Five Disk Server
✦ Four Disk Server: 8. RAID - Four Disk Server
✦ Three Disk Server: 7. RAID - Three Disk Server
✦ Two Disk Server: 6. RAID - Two Disk Server
Fig. 09
Page 11
LaCie Professional Server Disk Numbering
Technical Brief: RAID page 11
4. Disk Numbering
The 5big Storage Server uses Windows Storage Server Disk Man­agement to configure RAID. Before reading how to create and repair the RAID arrays, it may be helpful to know how the utility assigns numbers to the physical disks. Please note that disk number assign­ment in Disk Management differs from the LaCie Hardware Monitor (see Technical Brief: LaCie Hardware Monitor and 4.2. Disk Num-
bering: LaCie Hardware Monitor).
4.1. Disk Numbering: Windows Disk Management
MANUAL NOTE: To best demonstrate disk numbering, this sec-
tion uses the LaCie default configuration of a 5big Storage Server with five disks. The amount of disks as well as the RAID configura­tions may appear different based upon your 5big Storage Server.
Fig. 10
Fig. 10 illustrates how Windows Disk Management lists the default
5big Storage Server RAID configuration: disk numbers, levels of RAID, and the health of the disks. Fig. 11 shows how the Windows Disk Management numbers correlate with the physical placement of the disks. (See 5.1. Default RAID for further information on the default RAID settings for a five disk 5big Storage Server.)
Please note that each disk takes part in two RAID configurations. For example, approximately 35 GB of Disk 0 is part of a mirror that runs the Windows Storage Server operating system. The remainder of Disk 0 is also one of five drives that make up the Data volume, a RAID 5 array.
During standard operation, the numbering will not change. How­ever, if a disk should fail, the default disk numbering could become confused, especially if the 5big Storage Server is restarted when a disk is missing. Missing could indicate:
DESIGNED BY NEIL POULTON
0 1 2 3 4
LAN 2
LAN 1 USB
LAN 1 USB USB
USB
VGA
POWER
✦ Disk failure
✦ A disk physically removed from its slot.
continued on the next page>>
Fig. 11
eSATA
eSATA
Page 12
LaCie Professional Server Disk Numbering
Technical Brief: RAID page 12
In Fig. 12 and Fig. 13, Disk 1 has been physically removed from its slot. Disk Management no longer has a Disk 1 but a Missing disk. The other four disks keep their default number assignments since the 5big Storage Server has not been restarted.
Fig. 12
Due to the way in which Windows assigns drive numbers, LaCie highly recommends troubleshooting and, if necessary, replacing a
Missing disk before rebooting the 5big Storage Server. (See 9. Re-
pairing RAID Configurations for further information on replacing or
repairing a failed or missing disk.) If the system restarts before the
Missing disk is repaired, Windows will reassign numbers to the re-
maining disks based upon their physical order.
continued on the next page>>
DESIGNED BY NEIL POULTON
0 2 3 4
LAN 2
LAN 1 USB
LAN 1 USB USB
eSATA
eSATA
USB
VGA
POWER
Fig. 13
Page 13
LaCie Professional Server Disk Numbering
Technical Brief: RAID page 13
In our example, Disk 1 was removed from its slot, becoming the
Missing disk in Windows Disk Management. If the 5big Storage
Server is restarted with the empty slot, Windows will assign new num­bers to three of the five drives (Fig. 14 and Fig. 15):
✦ Disk 0 remains Disk 0
✦ Disk 2 becomes Disk 1
✦ Disk 3 becomes Disk 2
✦ Disk 4 becomes Disk 3
The Missing disk will remain on the list until it is manually removed from Disk Management (9.2.1. Removing the Missing Disk).
Fig. 14
Slight confusion could occur when a replacement disk is inserted into the empty slot after the 5big Storage Server reboots (Fig. 15,
b). While the slot once had a disk that Windows recognized as Disk
1 (Fig. 10 and Fig. 11), that number is now taken by another drive
(Fig. 15, c).
continued on the next page>>
DESIGNED BY NEIL POULTON
a
b
c
0 1 2 3
LAN 1 USB
LAN 1 USB USB
Fig. 15
LAN 2
eSATA
eSATA
USB
VGA
d
e
POWER
Page 14
LaCie Professional Server Disk Numbering
Technical Brief: RAID page 14
Fig. 16
When a replacement drive is inserted into the empty slot, Windows assigns the next available number, Disk 4 (Fig. 16 and Fig. 17, b).
Certainly, drive renumbering is not a problem that will impact the integrity of the data. However, it may become difficult to manage and troubleshoot due to the irregular order of the disks. Consider that, in this example, Disk 0 will have to be paired with Disk 4 for the mirrored System volume, disrupting the order seen earlier in Disk Management (Fig. 10).
DESIGNED BY NEIL POULTON
a
b
c
d
e
0 4 1 2 3
LAN 1 USB
LAN 1 USB USB
Fig. 17
LAN 2
eSATA
eSATA
USB
VGA
POWER
Page 15
LaCie Professional Server Disk Numbering
Technical Brief: RAID page 15
4.1.1. Recovering the 5big Storage Server Default Disk Order
While not imperative to optimal operation, you can easily recover the 5big Storage Server default drive order by restarting the device. Please make certain that the 5big Storage Server is not being ac­cessed before restarting it.
After the reboot, the Unallocated replacement disk is reassigned, moving from Disk 4 (Fig. 16) to Disk 1 (Fig. 18).
Fig. 18
Page 16
LaCie Professional Server Disk Numbering
Technical Brief: RAID page 16
4.2. Disk Numbering: LaCie Hardware Monitor
LaCie Hardware Monitor is a software utility that helps to manage your 5big Storage Server (Start > LaCie Hardware Monitor). The Hardware Monitor also numbers the system drives but they remain static, based on the slot. Fig. 19 shows the numbers used by the Hardware Monitor. (See Technical Brief: LaCie Hardware Monitor for more details on the Hardware Monitor.)
DESIGNED BY NEIL POULTON
1 2 3 4 5
LAN 1 USB
LAN 1 USB USB
Fig. 19
LAN 2
eSATA
eSATA
USB
VGA
POWER
Page 17
LaCie Professional Server RAID - Five Disks
Technical Brief: RAID page 17
5. RAID - Five Disk Server
MANUAL NOTE: Users wishing to build or rebuild their RAID ar-
5.1. Default RAID
The default RAID configurations for the 5big Storage Server are based upon the general requirements of an active business that wants to keep data and the server operating system safe. While La­Cie believes the default RAID configurations to be suitable for most networks, there may be environments that require an alternative set­up. Since any change in RAID for one or multiple volumes will delete data, administrators should consider the solutions that best suit the needs of an office before using the server.
EXAMPLE: A Share (see Technical Brief: Shared Folders) called
Finance Reports 2009 has been created on the volume Data. This
Share contains all important financial documents from the year
2010. Data, by default, is a RAID 5 volume. If an administrator
decides to break up the Data volume in favor of creating mirrored volumes, the Share Finance Reports 2009 and all of its files will be deleted.
rays should read this section if they have five disks installed in their 5big Storage Server. Please see 6. RAID - Two Disk Server, 7. RAID
- Three Disk Server, and 8. RAID - Four Disk Server for information
on alternative disk configurations.
LaCie highly recommends that customers backup all data stored on their professional server. You may use USB 2.0 or eSATA external desktop drives by connecting them to the server ports or backup to a separate network server. If all files on the LaCie server are regularly backed up, the risk of losing data when adjusting RAID configura­tions is dramatically reduced.
continued on the next page>>
Page 18
LaCie Professional Server RAID - Five Disks
Technical Brief: RAID page 18
5big Storage Server Default RAID Configurations (Five Disks)
Volume Disks and RAID
Level
System ✦ 2 Disks
✦ Mirror
Swap ✦ 3 Disks
✦ RAID 5
Data ✦ 5 Disks
✦ RAID 5
Usage Notes
✦ Windows Storage Server
must run from its own volume.
✦ Storing data on the sys-
tem volume will impact server performance.
✦ A swap, or paging file
improves server perfor­mance by extending the device’s physical memo­ry. The swap file may be created on a non-system volume, acting as virtual memory. See 5.4.2. Cre-
ate the Swap File.
✦ Due to its size, the Swap
volume may be used for applications that are installed on the 5big Storage Server.
✦ The Swap volume may
also be used to create Shares and store data.
✦ The Data volume should
be used to create Shares and store data.
✦ A Mirror requires two drives, making it ideal for the Windows Storage
✦ A Mirror offers redundancy, duplicating each file on the two disks that
✦ Windows Storage Server may run from a mirrored volume.
✦ RAID 5 requires three or more disks.
✦ RAID 5 offers improved storage capacity. While mirroring has an
✦ RAID 5 includes many features that improve performance. For ex-
✦ RAID 5 volumes may not host the Windows Storage Server operating
Server operating system.
make up the volume. If one disk should fail, the system can continue to operate since the exact same system files are stored on its mirrored drive.
overhead of 50% storage capacity due to file duplication, RAID 5 par­ity on the Data volume has approximately 20% overhead. This means that close to 80% of the total capacity is available for storing data.
ample, RAID 5 uses block level parity to secure files. Block level parity takes far less time to write data across the disks in the volume than mirroring files across two drives.
system.
IMPORTANT INFO: Mirroring and RAID 5 provide solid protection
if one drive in their respective volumes should encounter problems. However, LaCie highly recommends backing up the data stored on your professional server regularly in order to guard against worst case scenarios (i.e. accidental data deletion, malicious programs, viruses, etc.). LaCie professional servers include USB 2.0 and eSATA ports to attach desktop drives for use as backup storage. You can also backup your data to another server on the network.
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5.2. Adjusting the RAID
Administrators may change RAID configurations to suit the needs of a business or after a server system recovery.
Launch Disk Management to view or change RAID configurations in Windows Storage Server.
1. Click twice on the desktop shortcut Server Manager.
2. On the left side of the window, click once on the + sign to the
left of Storage.
3. Click once on Disk Management.
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5.3. Five Disks: System Volume Mirror
In this example, Disk 0, volume letter C contains the Windows Stor­age Server operating system. Note that System is listed in its contents (Fig. 20). The operating system, as shipped, takes up 35 GB on Disk 0.
Fig. 20
5.3.1. Boot Order and Creating the Mirror After a Recovery
All Windows Storage Server system files are duplicated on each disk in the mirror. In most instances, when there are two versions of a Windows operating system, the user is prompted to select one as the device boots. Since a monitor and keyboard are required to choose the boot disk, your 5big Storage Server has turned off this option to save the user time when booting the device.
EXAMPLE: By default, the 5big Storage Server boots from the first
disk with an operating system. In this case, that is Disk 0 (Fig. 20). If Disk 0 should experience a problem or the operating system is dam­aged, the 5big Storage Server will boot from Disk 1 without forcing any action from the user. However, this option will be lost if the user has performed a recovery, reinstalling Windows Storage Server.
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In the scenario where Disk 0 fails some time after a recovery, the front LED will blink continuously since it cannot boot from the first drive with an operating system. The administrator may feel a bit inconvenienced by having to connect a monitor, keyboard, and mouse to the 5big Storage Server in order to choose Disk 1 as the boot disk.
To keep the 5big Storage Server boot order, type or copy and paste the following commands into Command Prompt before mirroring the system disk (Go to Start>Command Prompt or Start>Run and type cmd.):
bcdedit /set {current} osdevice boot
bcdedit /set {current} device boot
bcdedit /set {bootmgr} device boot
bcdedit /set {memdiag} device boot
Please follow the steps in 5.3.2. Creating the Mirror.
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5.3.2. Creating the Mirror
1. Right-click on the sole partition that lists System as one of its
components. Choose Add Mirror... (Fig. 21)
Fig. 21
2. From the list of drives, choose Disk 1. Click Add Mirror.
Fig. 22
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3. The Disk Management prompt in Fig. 23 is standard for the 5big Storage Server (5.3.1. Boot Order and Creating the Mirror
After a Recovery). Click OK to continue.
Fig. 23
4. The new configuration will Resynch until the mirror is created. You may build the Swap RAID during the Resynch.
Fig. 24
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5. The mirror has finished building when Resynching is replaced by
Healthy. Note that the storage space used for the mirror on Disk 1 is identical to Disk 0. The remaining capacity for each disk is Unallocated for the moment.
Fig. 25
5.4. Swap Volume: RAID 5
Create the Swap volume after the System volume has been mirrored. Please follow the steps below to build the RAID 5 volume and the swap file.
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5.4.1. Create the Swap Volume
1. Launch Disk Management to make certain that the System vol­ume has been mirrored (Fig. 26). If there is a question, please confirm the color coding for volumes. In this example, Mirrored
volume is color coded dark red.
Fig. 26
2. Right-click on Disk 2. Select New RAID-5 Volume... (Fig. 27)
Fig. 27
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3. The New RAID-5 volume wizard will launch. Click Next> (Fig.
28).
Fig. 28
4. Disk 2 is listed in the Selected column. Choose Disk 3 and Disk 4, then click Add> (Fig. 29).
Fig. 29
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5. The LaCie default for the RAID 5 Swap volume matches the indi­vidual disk capacity of the System volumes. In Select the amount
of space in MB, type 35000. Click Next> (Fig. 30).
Fig. 30
6. The default letter assignment for the Swap volume is S. Select S and click Next> (Fig. 31).
Fig. 31
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7. Make certain that Format this volume with the following settings is selected and choose the settings below (Fig. 32):
✦ File System: NTFS
✦ Allocation unit size: Default
✦ Volume label: type Swap
✦ For a faster format, check Perform a quick format. The
process will take significantly more time if this option is not selected.
8. Click Next>.
Fig. 32
9. Confirm the settings at the wizard summary page (Fig. 33). Click Finish.
Fig. 33
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10. The new configuration will Resynch until the RAID 5 volume is
created (Fig. 34).
Fig. 34
11. The RAID 5 volume has finished building when Resynching is replaced by Healthy. The remaining capacity for each disk is
Unallocated for the moment. Before building the Data volume,
quit Disk Management to create the swap file on the Swap vol­ume.
5.4.2. Create the Swap File
The steps for creating a swap file on the server are similar to that of a standard Windows workstation.
1. From the desktop, right-click on Computer. Choose Proper-
ties.
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2. On the left of the window, click once on Advanced system settings (Fig. 35).
Fig. 35
3. From the System Properties window, select the Advanced tab. In the first category, Performance, click Settings... (Fig. 36)
Fig. 36
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4. At the Performance Options window, click the Advanced tab and select Change...
5. In the Virtual Memory window, click once on S: [Swap] (Fig.
37).
Fig. 37
6. Select Custom size to activate the fields Initial size (MB) and
Maximum size (MB) (Fig. 38). Type 5120 in each field, then
click Set. Click OK.
Fig. 38
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7. Exit Performance Options and System Properties (Fig. 39) before restarting the server, Start > Restart. Create the RAID 5 Data volume after the server has restarted.
Fig. 39
5.5. Data Volume: RAID 5
1. Launch Disk Management (5.2. Adjusting the RAID).
2. Right-click on the Disk 0 Unallocated partition and choose New RAID-5 Volume... to launch the New RAID-5 volume wizard.
3. Click Next>.
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4. Add all the disks from Available to Selected (Fig. 40). Click Next>.
Fig. 40
5. The default letter for the Data volume is D. Select D and click Next>.
Fig. 41
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Technical Brief: RAID page 34
6. Make certain that Format this volume with the following settings is selected and choose the settings below (Fig. 32):
✦ File System: NTFS
✦ Allocation unit size: Default
✦ Volume label: type Data
✦ LaCie recommends checking Perform a quick format.
Choosing a longer format while configuring large RAID 5 ar­rays will add a significant amount of time to the resynching process.
7. Click Next>.
Fig. 42
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8. Confirm the settings before clicking Finish (Fig. 43).
Fig. 43
9. The RAID 5 volume has finished building when Resynching is replaced by Healthy. Please note that building the Data RAID 5 volume may take between 15 and 40 hours depending upon the capacity of your 5big Storage Server.
Fig. 44
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5.6. Volume Activity During a Resynch
5.6.1. Rebooting During a Resynch
Rebooting the 5big Storage Server while Disk Management is Re­synching a mirror or RAID 5 volume will not harm the configuration or its data. However, since the process was interrupted, Disk Man­agement will automatically start a new resynch at 0% once the 5big Storage Server has rebooted.
Due to the size of large volumes such as the 5big Storage Server Data (RAID 5), rebooting during a resynch in progress could extend the operation for many hours.
5.6.2. Accessing Data on a Volume that is Resynching
A volume that is in the midst of a resynch may be accessed by work­stations on the network. Users can read or write to the volume. How­ever, performance will be degraded while Windows Storage Server is rebuilding the mirror and/or RAID 5.
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Technical Brief: RAID page 37
6. RAID - Two Disk Server
A 5big Storage Server with two drives offers many options for the user, including the RAID configuration. While it is possible to create Spanned disks or a RAID 0 array, LaCie highly recommends mirror­ing for optimal protection of your data. RAID 0 can offer some speed advantages but data will not be duplicated across both volumes as with mirroring. Users risk losing data if one of the disks should fail.
6.1. Two Disk Suggested RAID Configuration
5big Storage Server Suggested RAID Configurations (Two Disks)
Volume Disks and RAID
Level
System ✦ 2 Disks
✦ Mirror
Usage Notes
✦ Windows Storage Server
must run from its own volume.
✦ Storing data on the sys-
tem volume will impact server performance.
✦ Swap file*
MANUAL NOTE: Users wishing to build or rebuild their RAID ar-
rays should read this section if they have two disks installed in their 5big Storage Server. Please see 7. RAID - Three Disk Server, 8. RAID
- Four Disk Server, and 5. RAID - Five Disk Server for information on
alternative disk configurations.
✦ A Mirror requires two drives, making it ideal for the Windows Storage
Server operating system.
✦ A Mirror offers redundancy, duplicating each file on the two disks that
make up the volume. If one disk should fail, the system can continue to operate since the exact same system files are stored on its mirrored drive.
✦ Windows Storage Server may run from a mirrored volume.
Data ✦ 2 Disks
✦ Mirror
*The Swap file can remain on the System volume.
IMPORTANT INFO: Mirroring provides very good protection if
one drive should encounter problems. However, LaCie highly rec­ommends backing up the data stored on your professional server regularly in order to guard against worst case scenarios (i.e. acci­dental data deletion, malicious programs, viruses, etc.). LaCie pro­fessional servers include USB 2.0 and eSATA ports to attach desktop drives for use as backup storage. You can also backup your data to another server on the network.
✦ The Data volume should
be used to create Shares and store data.
✦ A Mirror offers redundancy, duplicating each file on the two disks
that make up the volume. If one disk should fail, the data may be ac­cessed from the mirrored drive without losing time.
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6.2. Adjusting the RAID
Administrators may change RAID configurations to suit the needs of a business or after a server system recovery.
Launch Disk Management to view or change RAID configurations in Windows Storage Server.
1. Click twice on the desktop shortcut Server Manager.
2. On the left side of the window, click once on the + sign to the
left of Storage.
3. Click once on Disk Management.
6.3. 5big Storage Server Single Disk Default Configuration
A single disk 5big Storage Server is shipped with two partitions, Sys­tem and Data. Fig. 45, shows both partitions on the sole hard drive,
Disk 0. Volume C contains the Windows Storage Server operating
system and volume D the Data volume. The operating system parti­tion, as shipped, takes up 35 GB.
Fig. 45
For details on adding a second disk to the 5big enclosure, please go to 3. Removing and Installing Disks. Once the disk has been installed, please go to 6.4. Boot Order and Creating the System
Mirror.
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Technical Brief: RAID page 39
6.4. Boot Order and Creating the System Mirror
All Windows Storage Server system files are duplicated on each disk in the mirror. In most instances, when there are two versions of a Windows operating system, the user is prompted to select one as the device boots. Since a monitor and keyboard are required to choose the boot disk, your 5big Storage Server has turned off this option to save the user time when booting the device.
EXAMPLE: By default, the 5big Storage Server boots from the first
disk with an operating system. In this case, that is Disk 0 (Fig. 20). If Disk 0 should experience a problem or the operating system is dam­aged, the 5big Storage Server will boot from Disk 1 without forcing any action from the user. However, this option will be lost if the user has performed a recovery, reinstalling Windows Storage Server, or is adding additional drives to a single disk 5big Storage Server.
In the scenario where Disk 0 fails some time after a disk is added to a single disk 5big Storage Server, the front LED will blink continu­ously since it cannot boot from the first drive with an operating sys­tem. The administrator may feel a bit inconvenienced by having to connect a monitor, keyboard, and mouse to the 5big Storage Server in order to choose Disk 1 as the boot disk.
To keep the 5big Storage Server boot order, type or copy and paste the following commands into Command Prompt before mirroring the system disk (Go to Start>Command Prompt or Start>Run and type cmd.):
bcdedit /set {current} osdevice boot
bcdedit /set {current} device boot
bcdedit /set {bootmgr} device boot
bcdedit /set {memdiag} device boot
Please go to 6.5. Creating the System Mirror.
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LaCie Professional Server RAID - Two Disks
Technical Brief: RAID page 40
6.5. Creating the System Mirror
IMPORTANT INFO: Before creating the System mirror, please
follow the instructions in 6.4. Boot Order and Creating the System
Mirror.
1. Launch Disk Management (5.2. Adjusting the RAID). You should see two disks similar to Fig. 46. If you do not see a second disk (Disk 1), please go to 3. Removing and Installing Disks for fur­ther information on installing disks into the 5big Storage Server.
Fig. 46
2. Before creating the System mirror, make certain that you have entered the commands listed in 6.4. Boot Order and Creating
the System Mirror.
IMPORTANT INFO: Creating a RAID configuration using Disk
Management will require formatting the disk. Any media that may be stored on the second hard drive (Disk 1) will be deleted. Please consider backing up the drive before creating the System and Data mirrors.
3. Right-click on the System partition to select Add Mirror... (Fig.
47).
Fig. 47
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4. A prompt will ask you to select the second disk for the mirror (Fig. 48). The only choice is Disk 1 since there are two drives within the 5big enclosure. Click on Disk 1 then select Add Mir- ror.
Fig. 48
5. Two Windows prompts will appear. Click Yes (Fig. 49) and OK (Fig. 50) with each prompt to continue.
Fig. 49
Fig. 50
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6. The System mirror will be created during the Resynching (Fig.
51). You may build the Data mirror while the System mirror is
Resynching.
Fig. 51
6.6. Creating the Data Mirror
1. Please create the System mirror (6.5. Creating the System Mir-
ror) before building the Data mirror. If the System mirror has
been created or it is Resynching, move to step 2.
2. If it is not open, launch Disk Management (5.2. Adjusting the
RAID).
3. Right-click on the Disk 0 Data (D:) partition (Fig. 52). Select Add Mirror...
Fig. 52
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4. A prompt will ask you to select the second disk for the mirror (Fig. 53). The only choice is Disk 1 since there are two drives within the 5big enclosure. Click on Disk 1 then select Add Mir-
ror.
Fig. 53
5. The Data mirror will be created during the Resynching (Fig. 51). See 5.6. Volume Activity During a Resynch for information on disk activity during a resynch.
Fig. 54
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6. All disks will be listed as Healthy once the Resynching is com­plete (Fig. 55).
Fig. 55
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LaCie Professional Server RAID - Three Disks
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7. RAID - Three Disk Server
The directions that follow will help you to create the recommended RAID configuration for a 5big Storage Server with three disk.
7.1. Three Disk Suggested RAID Configuration
While it is possible to create Spanned disks or RAID 0 arrays, LaCie highly recommends mirroring and RAID 5 for optimal protection of your data. RAID 0 can offer some speed advantages but data will not be protected across multiple volumes as with mirroring and RAID
5. Users risk losing data if one of the disks should fail with RAID 0.
IMPORTANT INFO: Mirroring and RAID 5 provide solid protection
if one drive in their respective volumes should encounter problems. However, LaCie highly recommends backing up the data stored on your professional server regularly in order to guard against worst case scenarios (i.e. accidental data deletion, malicious programs, viruses, etc.). LaCie professional servers include USB 2.0 and eSATA ports to attach desktop drives for use as backup storage. You can also backup your data to another server on the network.
MANUAL NOTE: Users wishing to build or rebuild their RAID ar-
rays should read this section if they have three disks installed in their 5big Storage Server. Please see 6. RAID - Two Disk Server, 8. RAID
- Four Disk Server, and 5. RAID - Five Disk Server for information on
alternative disk configurations.
continued on the next page>>
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5big Storage Server Suggested RAID Configurations (Three Disks)
Volume Disks and RAID
Level
System ✦ 2 Disks
✦ Mirror
Swap ✦ 1 Disk
✦ Simple Volume
(No RAID)
Data ✦ 3 Disks
✦ RAID 5
Usage Notes
✦ Windows Storage Server
must run from its own volume.
✦ Storing data on the sys-
tem volume will impact server performance.
✦ A swap, or paging file
improves server perfor­mance by extending the device’s physical memo­ry. The swap file may be created on a non-system volume, acting as virtual memory. See 5.4.2. Cre-
ate the Swap File.
✦ Due to its size, the Swap
volume may be used for applications that are installed on the 5big Storage Server.
✦ The Swap volume may
also be used to create Shares and store data.
✦ The Data volume should
be used to create Shares and store data.
✦ A Mirror requires two drives, making it ideal for the Windows Storage
✦ A Mirror offers redundancy, duplicating each file on the two disks that
✦ Windows Storage Server may run from a mirrored volume.
✦ Since a Swap file may be recreated, you can take advantage of a
✦ RAID 5 requires three or more disks.
✦ RAID 5 offers improved storage capacity. While mirroring has an
✦ RAID 5 includes many features that improve performance. For ex-
✦ RAID 5 volumes may not host the Windows Storage Server operating
Server operating system.
make up the volume. If one disk should fail, the system can continue to operate since the exact same system files are stored on its mirrored drive.
partition that is not protected.
overhead of 50% storage capacity due to file duplication, RAID 5 par­ity on the Data volume has approximately 20% overhead. This means that close to 80% of the total capacity is available for storing data.
ample, RAID 5 uses block level parity to secure files. Block level parity takes far less time to write data across the disks in the volume than mirroring files across two drives.
system.
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LaCie Professional Server RAID - Three Disks
Technical Brief: RAID page 47
7.2. Adjusting the RAID
Administrators may change RAID configurations to suit the needs of a business or after a server system recovery.
Launch Disk Management to view or change RAID configurations in Windows Storage Server.
1. Click twice on the desktop shortcut Server Manager.
2. On the left side of the window, click once on the + sign to the
left of Storage.
3. Click once on Disk Management.
7.3. 5big Storage Server Single Disk Default Configuration
A single disk 5big Storage Server is shipped with two partitions, Sys­tem and Data. Fig. 54, shows both partitions on the sole hard drive,
Disk 0. Volume C contains the Windows Storage Server operating
system and volume D the Data volume. The operating system parti­tion, as shipped, takes up 35 GB.
Fig. 56
For details on adding disks to the 5big enclosure, please go to 3.
Removing and Installing Disks. Once the disk has been installed, go
to 6.4. Boot Order and Creating the System Mirror.
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LaCie Professional Server RAID - Three Disks
Technical Brief: RAID page 48
7.4. Boot Order and Creating the System Mirror
All Windows Storage Server system files are duplicated on each disk in the mirror. In most instances, when there are two versions of a Windows operating system, the user is prompted to select one as the device boots. Since a monitor and keyboard are required to choose the boot disk, your 5big Storage Server has turned off this option to save the user time when booting the device.
EXAMPLE: By default, the 5big Storage Server boots from the first
disk with an operating system. In this case, that is Disk 0. If Disk 0 should experience a problem or the operating system is damaged, the 5big Storage Server will boot from Disk 1 without forcing any action from the user. However, this option will be lost if the user has performed a recovery and reinstalled Windows Storage Server or is adding additional drives to a single disk 5big Storage Server.
In the scenario where Disk 0 fails some time after a disks were added to a single disk 5big Storage Server, the front LED will blink continu­ously since it cannot boot from the first drive with an operating sys­tem. The administrator may feel a bit inconvenienced by having to connect a monitor, keyboard, and mouse to the 5big Storage Server in order to choose Disk 1 as the boot disk.
To keep the 5big Storage Server boot order, type or copy and paste the following commands into Command Prompt before mirroring the system disk (Go to Start>Command Prompt or Start>Run and type cmd.):
bcdedit /set {current} osdevice boot
bcdedit /set {current} device boot
bcdedit /set {bootmgr} device boot
bcdedit /set {memdiag} device boot
Please go to 7.5. Creating the System Mirror.
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LaCie Professional Server RAID - Three Disks
Technical Brief: RAID page 49
7.5. Creating the System Mirror
IMPORTANT INFO: Before creating the System mirror, please
follow the instructions in 7.4. Boot Order and Creating the System
Mirror.
1. Launch Disk Management (7.2. Adjusting the RAID). You should see three disks similar to Fig. 57. If you do not see Disk 1 and Disk 2, please go to 3. Removing and Installing Disks for further information on installing disks into the 5big enclosure.
Fig. 57
IMPORTANT INFO: Creating a RAID configuration using Disk
Management will require formatting the disk. Any media that may be stored on the new hard drives (Disk 1 and Disk 2) will be deleted. Please consider backing up the drives before creating the System, Swap, and Data volumes.
2. Before creating the System mirror, make certain that you have entered the commands listed in 7.4. Boot Order and Creating
the System Mirror.
3. Right-click on the System partition to select Add Mirror... (Fig.
58).
Fig. 58
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4. A prompt will ask you to select the second disk for the System mirror (Fig. 59). Click on Disk 1 then select Add Mirror.
Fig. 59
5. Two Windows prompts will appear. Click Yes (Fig. 60) and OK (Fig. 61) with each prompt to continue.
Fig. 60
Fig. 61
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6. The System mirror will be created during the Resynching (Fig.
62). You may build the Swap partition while the System mirror
is Resynching.
Fig. 62
7.6. Simple Volume: Swap File
Create the Swap volume once the System has been mirrored.
In a three disk configuration one portion of Disk 2 is not included in a RAID array. This volume may be used to store and backup files that do not require RAID protection. It may also be used for the Swap file.
1. Launch Disk Management to make certain that the System vol­ume has been mirrored (Fig. 62). If there is a question, please confirm the color coding for volumes. In this example, Mirrored
volume is color coded dark red.
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2. Right-click on the Disk 2’s Unallocated partition. Select New Simple Volume... (Fig. 63).
Fig. 63
3. The Simple Volume Wizard will open. Click Next> (Fig. 64).
Fig. 64
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4. To match the disk capacity of the System volume type 35000. in Select the amount of space in MB. Click Next> (Fig. 65).
Fig. 65
5. The default letter for the LaCie 5big Storage Server Swap vol­ume is S (Fig. 66). However, you may choose any free letter for the volume. Click Next> after you have chosen a letter.
Fig. 66
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6. Make certain that Format this volume with the following settings is selected and choose the settings below (Fig. 32):
✦ File System: NTFS
✦ Allocation unit size: Default
✦ Volume label: type Swap
✦ For a faster format, check Perform a quick format. The
process will take significantly more time if this option is not selected.
Fig. 67
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7. Confirm your settings and click Next> if they are correct (Fig.
68).
Fig. 68
8. Fig. 69 shows the System mirror and the Swap volume.
Fig. 69
9. Please see 5.4.2. Create the Swap File for details on moving the page file to the Swap volume. The go to 7.7. Data Volume:
RAID 5 to create the RAID 5 Data array
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Technical Brief: RAID page 56
7.7. Data Volume: RAID 5
1. Launch Disk Management (5.2. Adjusting the RAID). Please note that Disk 0 has the active partition Data (D:). To create the RAID 5 array using Disks 0, 1, and 2, we must have three Un-
allocated partitions. Therefore, the Data (D:) partition will be
deleted before building the RAID 5. Since deleting the volume also removes the files stored on the Data (D:) partition, please back up all data before moving to the next step.
2. Right-click on the Disk 0 Data (D:) partition to select Delete Volume... (Fig. 70).
Fig. 70
3. Two Windows prompts will appear confirming that you wish to delete the volume (Fig. 71 and Fig. 72). If you have backed up all the data stored on the Data (D:) volume, click Yes on both prompts.
Fig. 71
Fig. 72
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4. Right-click on the Disk 0 Unallocated partition and choose New RAID-5 Volume... to launch the New RAID-5 Volume
Wizard (Fig. 73).
Fig. 73
5. Click Next> (Fig. 74).
Fig. 74
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6. Click Disk 1 and Disk 2 from Available then click Add to move them to Selected (Fig. 75).
Fig. 75
7. Click Next> (Fig. 76).
Fig. 76
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Technical Brief: RAID page 59
8. The default letter for the LaCie 5big Storage Server Data volume is D (Fig. 77). However, you may choose any free letter for the volume. Click Next> after you have chosen a letter.
Fig. 77
9. Make certain that Format this volume with the following settings is selected and choose the settings below (Fig. 78):
✦ File System: NTFS
✦ Allocation unit size: Default
✦ Volume label: type Data
✦ LaCie recommends checking Perform a quick format.
Choosing a longer format while configuring large RAID 5 ar­rays will add a significant amount of time to the resynching process.
Fig. 78
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Technical Brief: RAID page 60
10. Confirm your settings before clicking Finish (Fig. 79).
Fig. 79
11. A Windows prompt may appear confirming that disks will be
converted from basic to dynamic (Fig. 80). Click Yes to begin the RAID 5 resynch.
Fig. 80
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LaCie Professional Server RAID - Three Disks
Technical Brief: RAID page 61
12. The RAID 5 volume has finished building when Resynching (Fig.
81) is replaced by Healthy (Fig. 82). Please note that building
the Data RAID 5 volume may take between 15 and 40 hours depending upon the capacity of your 5big Storage Server. See
5.6. Volume Activity During a Resynch for information on disk
activity during a resynch.
Fig. 81
Fig. 82
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LaCie Professional Server RAID - Four Disks
Technical Brief: RAID page 62
8. RAID - Four Disk Server
Four disks within the 5big Storage Server offers plentiful storage as well as additional protection for data. Since the setup is similar to two and three disks configurations, this section will offer references to other chapters.
8.1. Four Disk Suggested RAID Configuration
While it is possible to create Spanned disks or a RAID 0 array, LaCie highly recommends mirroring and RAID 5 for optimal protection of your data. RAID 0 can offer some speed advantages but data will not be protected across multiple volumes as with mirroring and RAID
5. Users risk losing data if one of the disks should fail with RAID 0.
MANUAL NOTE: Users wishing to build or rebuild their RAID ar-
rays should read this section if they have four disks installed in their 5big Storage Server. Please see 6. RAID - Two Disk Server, 7. RAID
- Three Disk Server, and 5. RAID - Five Disk Server for information
on alternative configurations.
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LaCie Professional Server RAID - Four Disks
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5big Storage Server Suggested RAID Configurations (Four Disks)
Volume Disks and RAID
Level
System ✦ 2 Disks
✦ Mirror
Swap ✦ 2 Disks
✦ Mirror
Data ✦ 4 Disks
✦ RAID 5
Usage Notes
✦ Windows Storage Server
must run from its own volume.
✦ Storing data on the sys-
tem volume will impact server performance.
✦ A swap, or paging file
improves server perfor­mance by extending the device’s physical memo­ry. The swap file may be created on a non-system volume, acting as virtual memory. See 5.4.2. Cre-
ate the Swap File.
✦ Due to its size, the Swap
volume may be used for applications that are installed on the 5big Storage Server.
✦ The Swap volume may
also be used to create Shares and store data.
✦ The Data volume should
be used to create Shares and store data.
✦ A Mirror requires two drives, making it ideal for the Windows Storage
✦ A Mirror offers redundancy, duplicating each file on the two disks that
✦ Windows Storage Server may run from a mirrored volume.
✦ A Mirror requires two drives.
✦ A Mirror offers redundancy, duplicating each file on the two disks
✦ RAID 5 requires three or more disks.
✦ RAID 5 offers improved storage capacity. While mirroring has an
✦ RAID 5 includes many features that improve performance. For ex-
✦ RAID 5 volumes may not host the Windows Storage Server operating
Server operating system.
make up the volume. If one disk should fail, the system can continue to operate since the exact same system files are stored on its mirrored drive.
that make up the volume. If one disk should fail, the Swap file and data are safe and easily accessible since they are duplicated on the mirrored drive.
overhead of 50% storage capacity due to file duplication, RAID 5 par­ity on the Data volume has approximately 20% overhead. This means that close to 80% of the total capacity is available for storing data.
ample, RAID 5 uses block level parity to secure files. Block level parity takes far less time to write data across the disks in the volume than mirroring files across two drives.
system.
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Technical Brief: RAID page 64
8.2. Adjusting the RAID
Administrators may change RAID configurations to suit the needs of a business or after a server system recovery.
Launch Disk Management to view or change RAID configurations in Windows Storage Server.
1. Click twice on the desktop shortcut Server Manager.
2. On the left side of the window, click once on the + sign to the
left of Storage.
3. Click once on Disk Management.
8.3. Creating the System Mirror
Please follow the steps in 7.3. 5big Storage Server Single Disk De-
fault Configuration, 7.4. Boot Order and Creating the System Mirror,
and 7.5. Creating the System Mirror to create the System mirror. Once the System mirror is created, return to section 8.4. Swap File
and Data: Mirror to build the Swap and Data mirror.
IMPORTANT INFO: Creating a RAID configuration using Disk
Management will require formatting the disk. Any media that may be stored on the new hard drives (Disk 1, Disk 2, and Disk 3) will be deleted. Please consider backing up the drives before creating the System, Swap, and Data volumes.
8.4. Swap File and Data: Mirror
1. Launch Disk Management (8.2. Adjusting the RAID). You should see four disks similar to Fig. 83. If you do not see Disks 1, 2 or 3, please go to 3. Removing and Installing Disks for further information on installing disks into the 5big enclosure. Please make certain that the System volume has been mirrored before continuing with the Swap volume.
Fig. 83
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2. Create a Swap partition before attempting to resynch the mirror. Right-click on the Disk 3’s Unallocated partition. Select New Simple Volume... (Fig. 84)
Fig. 84
3. The Simple Volume Wizard will open. Click Next> (Fig. 85)
Fig. 85
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4. To match the disk capacity of the System volume, type 35000 in Select the amount of space in MB. Click Next> (Fig. 86).
Fig. 86
5. The default letter for the LaCie 5big Storage Server Swap vol­ume is S (Fig. 87). However, you may choose any free letter for the volume. Click Next> after you have chosen a letter.
Fig. 87
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6. Make certain that Format this volume with the following settings is selected and choose the settings below (Fig. 88):
✦ File System: NTFS
✦ Allocation unit size: Default
✦ Volume label: type Swap
✦ For a faster format, check Perform a quick format. The
process will take significantly more time if this option is not selected.
Fig. 88
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7. Confirm your settings and click Next> if they are correct (Fig.
89). The simple volume has been created (Fig. 90). Move to the
next step to create the mirror.
Fig. 89
Fig. 90
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8. Right-click on the Swap (S:) partition to select Add Mirror... (Fig. 91)
Fig. 91
9. Select Disk 3 to mirror the drives (Fig. 92).
Fig. 92
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10. A Windows prompt will confirm that you want to convert a basic
disk to a dynamic disk. Click Yes to create the mirror (Fig. 93).
Fig. 93
11. The mirror will start resynching (Fig. 94). Please see 5.4.2. Cre-
ate the Swap File for details on moving the page file to the
Swap volume. Then go to 8.5. Data Volume: RAID 5 to create the RAID 5 array.
Fig. 94
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LaCie Professional Server RAID - Four Disks
Technical Brief: RAID page 71
8.5. Data Volume: RAID 5
1. Launch Disk Management (8.2. Adjusting the RAID). Please note that Disk 0 may have an active partition Data (D:). To create the RAID 5 array using Disks 0, 1, and 2, we must have three Unal-
located partitions. Therefore, the Data (D:) partition will be de-
leted before building the RAID 5. Since deleting the volume will also remove the files stored on the Data (D:) partition, please back up all data before moving to the next step. To delete the partition, right-click on Data (D:) to select Delete Volume... and click Yes at the Windows prompts. See 7.7. Data Volume:
RAID 5 for screenshots if further details are necessary.
2. Before creating the RAID 5 array from the four drives, confirm that you have four Unallocated partitions of equal value similar to Fig. 95.
Fig. 95
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Technical Brief: RAID page 72
3. Right-click on the Disk 0 Unallocated partition and choose New RAID-5 Volume... to launch the New RAID-5 Volume
Wizard (Fig. 96).
Fig. 96
4. Click Next> (Fig. 97).
Fig. 97
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5. Click Disk 1, Disk 2 and Disk 3 from Available then click Add to move them to Selected (Fig. 98).
Fig. 98
6. Click Next> (Fig. 99).
Fig. 99
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7. The default letter for the LaCie 5big Storage Server Data volume is D (Fig. 100). However, you may choose any free letter for the volume. Click Next> after you have chosen a letter.
Fig. 100
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8. Make certain that Format this volume with the following settings is selected and choose the settings below (Fig. 101):
✦ File System: NTFS
✦ Allocation unit size: Default
✦ Volume label: type Data
✦ LaCie recommends checking Perform a quick format.
Choosing a longer format while configuring large RAID 5 ar­rays will add a significant amount of time to the resynching process.
Fig. 101
9. Confirm your settings before clicking Finish (Fig. 102).
Fig. 102
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10. A Windows prompt may appear confirming that disks will be
converted from basic to dynamic. Click Yes to begin the RAID 5 resynch.
11. The RAID 5 volume has finished building when Resynching (Fig.
103) is replaced by Healthy (Fig. 104). Please note that building
the Data RAID 5 volume may take between 15 and 40 hours depending upon the capacity of your 5big Storage Server. See
5.6. Volume Activity During a Resynch for information on disk
activity during a resynch
Fig. 103
Fig. 104
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LaCie Professional Server RAID Repair
Technical Brief: RAID page 77
9. Repairing RAID Configu­rations
9.1. Reinserting a Healthy Disk
If you accidentally remove a healthy disk from the 5big Storage Serv­er while it is on, the system must reactivate and resynch the RAID(s). For example, if Disk 1 is not causing errors but has been removed, the System mirror and Data RAID 5 are no longer Healthy. In Fig.
105, the disk that has been removed is Missing. Further, the System
and Data configurations show Failed Redundancy.
Fig. 105
It is a simple procedure to reactivate the RAID when a healthy disk has been removed from an active 5big Storage Server.
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LaCie Professional Server RAID Repair
Technical Brief: RAID page 78
1. Reinsert the healthy disk into its slot on the 5big Storage Server
(3. Removing and Installing Disks).
2. Disk Management will recognize the reinserted disk but the
Failed Redundancy persists until the RAIDs are reactivated (Fig.
106).
Fig. 106
3. Right-click on one of the mirrored disks and select Reactivate Disk (Fig. 107).
Fig. 107
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Technical Brief: RAID page 79
4. In this example, there is no need to perform the step a second time since Disk Management will rebuild the System mirror and the RAID 5 Data configurations at the same (Fig. 108). Please be patient as Resynching the RAID 5 Data volume will take quite some time.
Fig. 108
9.2. Repairing the System Mirror and RAID 5 After a Disk Failure
You must recreate the System mirror and/or repair the RAID 5 when a disk has failed and you receive a replacement disk from LaCie.
IMPORTANT INFO: In the event that an individual hard disk fails
in the LaCie 5big Storage Server, contact your LaCie reseller or LaCie Customer Support for technical assistance. If the problem drive was purchased from LaCie and it is within the warranty period, please replace it with a hard drive provided by LaCie. LaCie will not replace a non-LaCie hard drive or any hard drive not purchased from LaCie. Please note that the replacement disk capacity should be equal to the original disk. While you may use a disk with more capacity, RAID configurations only recognize the size of the original disk. This means that the additional capacity of a new disk would be ignored.
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LaCie Professional Server RAID Repair
Technical Brief: RAID page 80
1. If it is not open, launch Disk Management (Server Manager > Storage > Disk Management). This example assumes that
the disk has failed and that a replacement from LaCie is avail­able to repair the RAIDs.
2. Note that Disk 1 is Missing and that both the System mirror and Data RAID 5 have Failed Redundancy (Fig. 109). The Swap volume is Healthy since all three of its disks are unaffected by the Disk 1 failure.
Fig. 109
3. Remove the failed disk and insert the replacement (see 3. Re-
moving and Installing Disks).
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LaCie Professional Server RAID Repair
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4. The replacement disk is recognized by Disk Management but the capacity is Unallocated (Fig. 110).
Fig. 110
5. The mirror must be broken before recreating it with the replace­ment disk. Right-click on the System volume and select Remove Mirror... (Fig. 111).
Fig. 111
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LaCie Professional Server RAID Repair
Technical Brief: RAID page 82
6. In the Remove Mirror pop-up window, click on Missing (Fig.
112). Click Remove Mirror.
Fig. 112
7. Click Yes at the Disk Management prompt.
8. The mirror has been successfully removed (Fig. 113).
Fig. 113
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9. Right-click on the System disk and select Add Mirror... (Fig.
114).
Fig. 114
10. From the Add Mirror pop-up window, select your replacement
disk (in this example, Disk 1) (Fig. 115). Click Add Mirror.
Fig. 115
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Technical Brief: RAID page 84
11. Click Yes at the Disk Management pop-up window.
12. Click OK at the Disk Management pop-up window.
13. Disk Management will begin Resynching the System mirror (Fig.
116).
Fig. 116
To save time, you may resynch the Data RAID 5 volume while the System mirror is building.
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Technical Brief: RAID page 85
14. Right-click on one of the Data partitions (do not use the Missing
disk). Choose Repair Volume... (Fig. 117).
Fig. 117
15. In the Repair RAID-5 Volume window, choose the disk to aid in
the repair of the Data volume (in our example, Disk 1). Click OK (Fig. 118). The Data volume will start Resynching. Please be patient since it will take 15 to 40 hours to resynch the RAID 5 volume depending upon the capacity.
Fig. 118
Page 86
LaCie Professional Server RAID Repair
Technical Brief: RAID page 86
9.2.1. Removing the Missing Disk
Disk Management must be told to remove the Missing disk once
Resynching has begun. Follow the easy steps below to delete the Missing disk from the list of drives.
1. If you have not closed Disk Management after following the steps to repair the System mirror and/or Data RAID 5, the Miss-
ing disk will be listed as a member of the Data volume (Fig.
119).
Fig. 119
2. Go to the the Action pulldown menu and choose Refresh (Action>Refresh) to refresh the list of drives. If the Missing disk is still listed as Data, exit and relaunch Disk Management (Server Manager>Storage>Disk Management).
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LaCie Professional Server RAID Repair
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3. The Missing disk will remain in the list of Disk Management disks (Fig. 120). However, it should no longer be a part of the Data volume.
Fig. 120
4. Right-click on Missing and select Remove Disk (Fig. 121).
Fig. 121
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LaCie Professional Server RAID Repair
Technical Brief: RAID page 88
5. The Missing disk should now be removed from the Disk Man­agement list (Fig. 122).
Fig. 122
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LaCie Professional Server RAID Repair
Technical Brief: RAID page 89
9.2.2. Replacing Disk 0
Replacing and repairing Disks 0 and 1 require the same series of steps. The one difference is how the system will react to a reboot while the System mirror is resynching.
If the 5big Storage Server restarts while Disk 1 is being replaced and resynching, the server will have no problem finding a bootable oper­ating system on Disk 0. However, if Disk 0 is being replaced and the 5big Storage Server restarts during the System mirror resynch, the device will hang. In this unique case, the 5big Storage Server cannot find a bootable operating system on the first logical drive.
If the System mirror resynch is interrupted and the 5big Storage Serv­er hangs, unplug Disk 0 from the back of the unit. With Disk 0 briefly disassociated from the 5big Storage Server, it can find a bootable operating system on Disk 1.
Once the 5big Storage Server has restarted, reinsert Disk 0 and return to Disk Management to finish resynching the System mirror (9.2. Repairing the System Mirror and RAID 5 After a Disk Failure).
9.2.3. Rebooting During a Resynch
Restarting the 5big Storage Server while it is resynching a mirror or a RAID 5 array will not harm data or the integrity of the volume. The sole drawback of rebooting the device during a resynch is lost time. An interrupted resynch does not pick up where it left off once the 5big Storage Server has restarted. Instead, the resynch will start again from 0%.
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LaCie Professional Server Contacting Customer Support
Technical Brief: RAID page 90
10. Contacting Customer Support
10.1. LaCie Technical Support Contacts
LaCie Asia
http://www.lacie.com/cn/contact/
LaCie Belgium
http://www.lacie.com/be/contact/ (Dutch) http://www.lacie.com/befr/contact/ (French)
LaCie Canada
http://www.lacie.com/ca/contact/ (English) http://www.lacie.com/cafr/contact/ (French)
LaCie Finland
http://www.lacie.com/fi/contact/
LaCie Germany
http://www.lacie.com/de/contact/
LaCie Italy
http://www.lacie.com/it/contact/
LaCie Korea
http://www.lacie.com/kr/contact/
LaCie Australia
http://www.lacie.com/au/contact/
LaCie Brazil
http://www.lacie.com/us/contact/
LaCie Denmark
http://www.lacie.com/dk/contact/
LaCie France
http://www.lacie.com/fr/contact/
LaCie Ireland
http://www.lacie.com/ie/contact/
Japan – Elecom CO., LTD.
http://www.lacie.jp/
LaCie Latin America
http://www.lacie.com/la/contact/
LaCie Netherlands
http://www.lacie.com/nl/contact/
LaCie Portugal
http://www.lacie.com/pt/contact/
LaCie Southeast Asia
http://www.lacie.com/sea/contact/
LaCie Sweden
http://www.lacie.com/se/contact/
LaCie UK
http://www.lacie.com/uk/contact/
LaCie Grand Export
http://www.lacie.com/intl/contact/
LaCie Norway
http://www.lacie.com/no/contact/
LaCie Singapore
http://www.lacie.com/asia/contact/
LaCie Spain
http://www.lacie.com/es/contact/
LaCie Switzerland
http://www.lacie.com/ch/contact/ (German) http://www.lacie.com/chfr/contact/ (French) http://www.lacie.com/chit/contact/ (Italian)
LaCie USA
http://www.lacie.com/us/contact/ (English) http://www.lacie.com/uses/contact/ (Spanish)
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