Seagate ST900MM0168 User Manual

Product Manual

Seagate® Enterprise Performance 10K HDD v8 SAS

512 Emulation

w/TurboBoost

4096 Native

with TurboBoost

Standard Models

ST1800MM0018 ST1200MM0018 ST900MM0018 ST600MM0018

ST1800MM0128 ST1200MM0158 ST900MM0128 ST600MM0158

ST1800MM0008 ST1200MM0008 ST900MM0008 ST600MM0008

Self-Encrypting Drive Models

ST1800MM0068 ST1200MM0068 ST900MM0068 ST600MM0068

ST1800MM0148 ST1200MM0178 ST900MM0148 ST600MM0178

ST1800MM0038 ST1200MM0038 ST900MM0038 ST600MM0038

SED FIPS140-2 Models

Review Pending

ST1800MM0078

ST1800MM0158

ST1800MM0048

4096 Native

w/TurboBoost

512 Native

ST1800MM0088 ST1200MM0118 ST900MM0088 ST600MM0118

ST1200MM0088 ST900MM0168 ST600MM0088 ST300MM0008

ST1800MM0108 ST1200MM0138 ST900MM0108 ST600MM0138

ST1200MM0098 ST900MM0178 ST600MM0098 ST300MM0018

100746003 Rev. C March 2015

ST1800MM0118

Document Revision History

Revision Date Pages affected

Rev. A 08/04/2014 Initial release.

Rev. B 10/27/2014 fc, 7-9, 11-12, 14, 16, 18 & 54-59.

Rev. C 03/11/2015

fc, bc, 7-8, 13-15, 18, 30, 35, 38-39, 42-43, 46, 55 & 57-64. Applied new logo, added 900GB & 300GB 5xx native models

Publication number: 100746003, Rev. C March 2015

Seagate, Seagate Technology and the Spiral logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Seagate Enterprise Performance 10K HDD and SeaTools are either trademarks or registered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/or other countries. The FIPS logo is a certification mark of NIST, which does not imply product endorsement by NIST, the U.S., or Canadian governments. All other trademarks or registered trademarks are the property of their respective owners.

No part of this publication may be reproduced in any form without written permission of Seagate Technology LLC.

Call 877-PUB-TEK1 (877-782-8351) to request permission.

When referring to drive capacity, one gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes. Your computer’s operating system may use a different standard of measurement and report a lower capacity. In addition, some of the listed capacity is used for formatting and other functions, and thus will not be available for data storage. Actual quantities will vary based on various factors, including file size, file format, features and application software. Actual data rates may vary depending on operating environment and other factors. The export or re-export of hardware or software containing encryption may be regulated by the U.S. Department of Commerce, Bureau of Industry and Security (for more information, visit use outside of the U.S. Seagate reserves the right to change, without notice, product offerings or specifications.

www.bis.doc.gov), and controlled for import and

CONTENTS

Seagate® Technology Support Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.0 Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.0 Applicable standards and reference documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1 Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1.1 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1.2 Electromagnetic compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.1.3 European Union Restriction of Hazardous Substances (RoHS) . . . . . . . . . . . . . 9

2.1.4 China Restriction of Hazardous Substances (RoHS) Directive . . . . . . . . . . . . . 10

2.2 Reference documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.0 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.1 Standard features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.2 Media description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.3 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.4 Formatted capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.5 Programmable drive capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.6 Factory-installed options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.0 Performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.1 Internal drive characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.2 Performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.2.1 Format command execution time (minutes) . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.2.2 General performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.3 Start/stop time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.4 Prefetch/multi-segmented cache control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.5 Cache operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.5.1 Caching write data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

4.5.2 Prefetch operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.5.3 TurboBoost caching operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.0 Reliability specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.1 Error rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.1.1 Recoverable Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.1.2 Unrecoverable Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.1.3 Seek errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.1.4 Interface errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.2 Reliability and service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failure (MTBF) . . . . 19

5.2.2 Preventive maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.2.3 Hot plugging the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.2.4 S.M.A.R.T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.2.5 Thermal monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.2.6 Drive Self Test (DST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.2.7 Product warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6.0 Physical/electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.1 PowerChoiceTM power management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.1.1 PowerChoice reporting methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.2 AC power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.3 DC power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

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CONTENTS

6.3.1 Conducted noise immunity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.3.2 Power sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.3.3 Current profiles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.4 Power dissipation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

6.5 Environmental limits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.5.1 Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.5.2 Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.5.3 Effective altitude (sea level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.5.4 Shock and vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

6.5.5 Air cleanliness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.5.6 Corrosive environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.5.7 Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.5.8 Electromagnetic susceptibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.6 Mechanical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

7.0 About FIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

8.0 About self-encrypting drives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

8.1 Data encryption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

8.2 Controlled access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

8.2.1 Admin SP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

8.2.2 Locking SP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

8.2.3 Default password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

8.3 Random number generator (RNG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

8.4 Drive locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

8.5 Data bands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

8.6 Cryptographic erase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

8.7 Authenticated firmware download . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

8.8 Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

8.9 Supported commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

8.10 Sanitize - CRYPTOGRAPHIC ERASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

8.11 RevertSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

9.0 Defect and error management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

9.1 Drive internal defects/errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

9.2 Drive error recovery procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

9.3 SAS system errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

9.4 Background Media Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

9.5 Deferred Auto-Reallocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

9.6 Idle Read After Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

9.7 Protection Information (PI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

9.7.1 Levels of PI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

9.7.2 Setting and determining the current Type Level. . . . . . . . . . . . . . . . . . . . . . . . . 47

9.7.3 Identifying a Protection Information drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

9.8 Seagate RAID Rebuild ™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

10.0 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

10.1 Drive orientation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

10.2 Cooling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

10.3 Drive mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

10.4 Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

11.0 Interface requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

11.1 SAS features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

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CONTENTS

11.1.1 Task management functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

11.1.2 Task management responses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

11.2 Dual port support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

11.3 SCSI commands supported. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

11.3.1 Inquiry data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

11.3.2 Mode Sense data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

11.4 Miscellaneous operating features and conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

11.4.1 SAS physical interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

11.4.2 Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

11.4.3 Connector requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

11.4.4 Electrical description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

11.4.5 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

11.4.6 SAS transmitters and receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

11.4.7 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

11.5 Signal characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

11.5.1 Ready LED Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

11.5.2 Differential signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

11.6 SAS-3 Specification compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

11.7 Additional information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

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FIGURES

Figure 1. Current profiles for 1800GB models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 2. Current profiles for 1200GB and 900G 5xx native models. . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Figure 3. Current profiles for 900GB 4K and 5xx emulation models . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Figure 4. Current profiles for 600GB and 300GB 5xx native models . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Figure 5. 1800GB (at 12Gb) DC current and power vs. input/output operations per second . . . . . . . . . 34

Figure 6. 1200GB (at 12Gb) DC current and power vs. input/output operations per second . . . . . . . . . 34

Figure 7. 900GB (at 12Gb) DC current and power vs. input/output operations per second . . . . . . . . . . 35

Figure 8. 600GB (at 12Gb) DC current and power vs. input/output operations per second . . . . . . . . . . 35

Figure 9. Recommended mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 10. Mounting configuration dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 11. Example of FIPS tamper evidence labels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 12. Physical interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Figure 13. Air flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Figure 14. Physical interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Figure 15. SAS device plug dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Figure 16. SAS device plug dimensions (detail) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Figure 17. SAS transmitters and receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 5

Seagate® Technology Support Services

For information regarding online support and services, visit

Available services include:

http://www.seagate.com/about/contact-us/technical-support/

• Presales & Technical support

• Global Support Services telephone numbers & business hours

• Authorized Service Centers

For information regarding Warranty Support, visit:

For information regarding data recovery services, visit

For Seagate OEM and Distribution partner portal, visit:

For Seagate reseller portal, visit:

http://www.seagate.com/partners/my-spp-dashboard/

http://www.seagate.com/support/warranty-and-replacements/

http://www.seagate.com/services-software/data-recovery-services/

http://www.seagate.com/partners/

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 6

1.0 Scope

This manual describes Seagate® Enterprise Performance 10K HDD v8 (Serial Attached SCSI) with TurboBoost™ disk

drives.

Seagate Enterprise Performance 10K HDD drives support the SAS Protocol specifications to the extent described in this

manual. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of this and other

Seagate SAS drives. The Self-Encrypting Drive Reference Manual, part number 100515636, describes the interface, general operation, and security features available on Self-Encrypting Drive models.

Product data communicated in this manual is specific only to the model numbers listed in this manual. The data listed in this manual may not be predictive of future generation specifications or requirements. If integrators are designing a system which will use one of the models listed or future generation products and need further assistance, please contact the Field

Applications Engineer (FAE) or our global support services group as shown on page 6.

Unless otherwise stated, the information in this manual applies to standard and Self-Encrypting Drive models.

Standard Models

Self-Encrypting Drive

(SED) Models 512 Emulation

FIPS 140-2 Level 2 Models

Review Pending

ST1800MM0018 ST1800MM0068 ST1800MM0078

ST1200MM0018 ST1200MM0068

ST900MM0018 ST900MM0068

ST600MM0018 ST600MM0068

512 Emulation w/TurboBoost

ST1800MM0128 ST1800MM0148 ST1200MM0158

ST1200MM0158 ST1200MM0178

ST900MM0128 ST900MM0148

ST600MM0158 ST600MM0178

4096 Native

ST1800MM0008 ST1800MM0038 ST1800MM0048

ST1200MM0008 ST1200MM0038

ST900MM0008 ST900MM0038

ST600MM0008 ST600MM0038

4096 Native w/TurboBoost

ST1800MM0088 ST1800MM0108 ST1800MM0118

ST1200MM0118 ST1200MM0138

ST900MM0088 ST900MM0118

ST600MM0118 ST600MM0138

512 Native

ST1200MM0088 ST1200MM0098

ST900MM0168 ST900MM0178

ST600MM0088 ST600MM0098

ST300MM0008 ST300MM0018

NOTE

Previous generations of Seagate Self-Encrypting Drive models were called Full Disk Encryption (FDE) models before a differentiation between drive-based encryption and other forms of encryption was necessary.

The Self-Encrypting Drive models indicated on the cover of this product manual have provisions for “Security of Data at Rest” based on the standards defined by the Trusted Computing Group (see www.trustedcomputinggroup.org).

For more information on FIPS 140-2 Level 2 certification see Section 7.0 on page 40.

For product certification status visit - http://csrc.nist.gov/groups/STM/cmvp/documents/140-1/1401vend.htm.

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 7

2.0 Applicable standards and reference documentation

The drives documented in this manual have been developed as system peripherals to the highest standards of design and

construction. The drives depend on host equipment to provide adequate power and environment for optimum performance and compliance with applicable industry and governmental regulations. Special attention must be given in the areas of safety, power distribution, shielding, audible noise control, and temperature regulation. In particular, the drives must be securely mounted to guarantee the specified performance characteristics. Mounting by bottom holes must meet the requirements of Section 10.3.

2.1 Standards

The Seagate Enterprise Performance 10K HDD family complies with Seagate standards as noted in the appropriate sections

of this manual and the Seagate SAS Interface Manual, part number 100293071.

The drives are recognized in accordance with UL 60950-1 as tested by UL, CSA 60950-1 as tested by CSA, and EN60950-1

as tested by TUV.

The security features of Self-Encrypting Drive models are based on the “TCG Storage Architecture Core Specification” and

the “TCG Storage Workgroup Security Subsystem Class: Enterprise_A” specification with additional vendor-unique features as noted in this product manual.

2.1.1 Electromagnetic compatibility

The drive, as delivered, is designed for system integration and installation into a suitable enclosure prior to use. The drive is

supplied as a subassembly and is not subject to Subpart B of Part 15 of the FCC Rules and Regulations.

The design characteristics of the drive serve to minimize radiation when installed in an enclosure that provides reasonable

shielding. The drive is capable of meeting the Class B limits of the FCC Rules and Regulations when properly packaged; however, it is the user’s responsibility to assure that the drive meets the appropriate EMI requirements in their system. Shielded I/O cables may be required if the enclosure does not provide adequate shielding. If the I/O cables are external to the enclosure, shielded cables should be used, with the shields grounded to the enclosure and to the host controller.

2.1.1.1 Electromagnetic susceptibility

As a component assembly, the drive is not required to meet any susceptibility performance requirements. It is the

responsibility of those integrating the drive within their systems to perform those tests required and design their system to ensure that equipment operating in the same system as the drive or external to the system does not adversely affect the performance of the drive. See Section 6.3, DC power consumption.

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 8

2.1.2 Electromagnetic compliance

Seagate uses an independent laboratory to confirm compliance with the directives/standards for CE Marking and RCM Marking. The drive was tested in a representative system for typical applications and comply with the Electromagnetic Interference/Electromagnetic Susceptibility (EMI/EMS) for Class B products. The selected system represents the most popular characteristics for test platforms.

Although the test system with this Seagate model complies with the directives/standards, we cannot guarantee that all

systems will comply. The computer manufacturer or system integrator shall confirm EMC compliance and provide the appropriate marking for their product.

Electromagnetic compliance for the European Union

If this model has the CE Marking it complies with the European Union requirements of the Electromagnetic Compatibility Directive 2004/108/EC as put into place on 20 July 2007.

Australian RCM

If this model has the RCM Marking it complies with the Australia/New Zealand Standard AS/NZ CISPR22 and meets the Electromagnetic Compatibility (EMC) Framework requirements of the Australian Communications and Media Authority (ACMA).

Canada ICES-003

If this model has the ICES-003 Marking it complies with the Canadian Standard Association Standard CAN/CSA-CISPR 2210, Information Technology Equipment - Radio Disturbance Characteristics - Limits and Methods of Measurement.

Korean KCC

If these drives have the Korean Communications Commission (KCC) logo, they comply with KN22, KN 24, and KN61000.

Taiwanese BSMI

If this model has the Taiwanese certification mark then it complies with Chinese National Standard, CNS13438.

2.1.3 European Union Restriction of Hazardous Substances (RoHS)

The European Union Restriction of Hazardous Substances (RoHS) Directive restricts the presence of chemical substances,

including Lead (Pb), in electronic products effective July 2006.

A number of parts and materials in Seagate products are procured from external suppliers. We rely on the representations of

our suppliers regarding the presence of RoHS substances in these parts and materials. Our supplier contracts require compliance with our chemical substance restrictions, and our suppliers document their compliance with our requirements by providing material content declarations for all parts and materials for the disk drives documented in this publication. Current supplier declarations include disclosure of the inclusion of any RoHS-regulated substance in such parts or materials.

Seagate also has internal systems in place to ensure ongoing compliance with the RoHS Directive and all laws and regulations which restrict chemical content in electronic products. These systems include standard operating procedures that ensure that restricted substances are not utilized in our manufacturing operations, laboratory analytical validation testing, and an internal auditing process to ensure that all standard operating procedures are complied with.

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 9

2.1.4 China Restriction of Hazardous Substances (RoHS) Directive

This product has an Environmental Protection Use Period (EPUP) of 20 years. The following table contains

information mandated by China's "Marking Requirements for Control of Pollution Caused by Electronic Information Products" Standard.

"O" indicates the hazardous and toxic substance content of the part (at the homogeneous material level) is lower than the threshold defined by the China RoHS MCV Standard.

"X" indicates the hazardous and toxic substance content of the part (at the homogeneous material level) is over the threshold defined by the China RoHS MCV Standard.

2.2 Reference documents

SCSI Commands Reference Manual Seagate part number: 100293068

SAS Interface Manual Seagate part number: 100293071

ANSI SAS Documents

SFF-8223 2.5” Drive Form Factor with Serial Connector SFF-8460 HSS Backplane Design Guidelines SFF-8470 Multi Lane Copper Connector SFF-8482 SAS Plug Connector ANSI INCITS.xxx Serial Attached SCSI (SAS-3) Standard (T10//BSR INCITS 519 rev. 06) ISO/IEC 14776-xxx SCSI Architecture Model-3 (SAM-4) Standard (T10/1683-D) ISO/IEC 14776-xxx SCSI Primary Commands-3 (SPC-3) Standard (T10/1416-D) ISO/IEC 14776-xxx SCSI Block Commands-3 (SBC-2) Standard (T10/1417-D)

ANSI Small Computer System Interface (SCSI) Documents

X3.270-1996 (SCSI-3) Architecture Model

Trusted Computing Group (TCG) Documents (apply to Self-Encrypting Drive models only)

TCG Storage Architecture Core Specification, Rev. 1.0 TCG Storage Security Subsystem Class Enterprise Specification, Rev. 1.0

Self-Encrypting Drives Reference Manual Seagate part number: 100515636

In case of conflict between this document and any referenced document, this document takes precedence.

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 10

3.0 General description

Seagate® Enterprise Performance 10K HDD v8 drives provide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers. The Serial Attached SCSI interface is designed to meet next-generation computing demands for performance, scalability, flexibility and high-density storage requirements.

The TurboBoost functionality provides improved performance over standard HDDs in real-world workloads. This

improvement is due to the addition of a solid state component that caches “hot” data for reads as well as protects write data via non-volatile cache (NVC).

Seagate Enterprise Performance 10K HDD drives are random access storage devices designed to support the Serial

Attached SCSI Protocol as described in the ANSI specifications, this document, and the SAS Interface Manual (part number

100293071) which describes the general interface characteristics of this drive. Seagate Enterprise Performance 10K HDD drives are classified as intelligent peripherals and provide level 2 conformance (highest level) with the ANSI SCSI-1 standard. The SAS connectors, cables and electrical interface are compatible with Serial ATA (SATA), giving future users the choice of populating their systems with either SAS or SATA hard disk drives. This allows integrators to continue to leverage existing investment in SCSI while gaining a 12Gb/s serial data transfer rate.

Never disassemble the HDA and do not attempt to service items in the sealed enclosure

NOTE

Seagate Enterprise Performance 10K HDD drives use a dedicated load/unload zone at the outermost radius of the media to eliminate the possibility of destroying or degrading data by landing in the data zone. The heads automatically go to the ramp load/unload when power is removed from the drive and during the deeper sleep modes.

(heads, media, actuator, etc.) as this requires special facilities. The drive does not contain user-replaceable parts. Opening the HDA for any reason voids the warranty.

An automatic shipping lock prevents potential damage to the heads and discs that results from movement during shipping

and handling. The shipping lock disengages and the head load process begins when power is applied to the drive.

The drives also use a high-performance actuator assembly with a low-inertia, balanced, patented, straight arm design that

provides excellent performance with minimal power dissipation in any orientation.

3.1 Standard features

Seagate Enterprise Performance 10K HDD drives have the following standard features:

• 3.0 / 6.0 / 12.0 Gb Serial Attached SCSI (SAS) interface

• Integrated dual port SAS controller supporting the SCSI protocol

• Support for SAS expanders and fanout adapters

• Firmware downloadable using the SAS interface

• 128 - deep task set (queue)

• Supports up to 32 initiators

• 128MB data buffer (see Section 4.5)

• NVC-backed write cache of approximately 512K (4096 native and 512 emulation standard models)

• 32GB TurboBoost read cache

• 8MB TurboBoost NVC-backed write cache

• Jumperless configuration

• User-selectable logical block sizes for 512 emulation and native models (512, 520, 524 or 528 bytes per logical block)

• User-selectable logical block sizes for 4096 native models (4096, 4160, 4192 or 4224 bytes per logical block)

• Industry standard SFF 2.5-inch dimensions

• Programmable logical block reallocation scheme

• Flawed logical block reallocation at format time

• Programmable auto write and read reallocation

• Reallocation of defects on command (Post Format)

• ECC maximum burst correction length of 520 bits for 512 byte blocks and 1400 bits for 4K byte blocks.

• No preventive maintenance or adjustments required

• Dedicated head load/unload zone and automatic shipping lock

• Embedded servo design

• Self diagnostics performed when power is applied to the drive

• Zone bit recording (ZBR)

• Vertical, horizontal, or top down mounting

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 11

• Dynamic spindle brake

• Drive Self Test (DST)

• Background Media Scan (BMS)

• Idle Read After Write (IRAW)

• Power Choice

• SAS Power Disable

• RAID Rebuild ™

Seagate Enterprise Performance 10K HDD Self-Encrypting Drive models have the following additional features:

• Automatic data encryption/decryption

• Controlled access

• Random number generator

• Drive locking

• 16 independent data bands

• Cryptographic erase of user data for a drive that will be repurposed or scrapped

• Authenticated firmware download

3.2 Media description

The media used on the drive has an glass substrate coated with a thin film magnetic material, overcoated with a proprietary

protective layer for improved durability and environmental protection.

3.3 Performance

• Firmware-controlled multisegmented cache designed to dynamically adjust segments for enhanced system performance

• 1200MB/s maximum instantaneous data transfers.

• 10K RPM spindle. Average latency = 2.9ms

• Background processing of queue

• Supports start and stop commands (spindle stops spinning)

• Adaptive seek velocity; improved seek performance

NOTE

There is no significant performance difference between Self-Encrypting Drive and standard (non-Self-Encrypting Drive) models.

3.4 Formatted capacities

Standard OEM models are formatted to 512 bytes per block for 512 emulation and native drives and 4096 bytes per block for 4096 native drives. The block size is selectable at format time. Supported block sizes are 512, 520, 524, and 528 for 512 emulation and native drives and 4096, 4160, 4192, and 4224 for 4096 native drives. Users having the necessary equipment may modify the data block size before issuing a format command and obtain different formatted capacities than those listed.

To provide a stable target capacity environment and at the same time provide users with flexibility if they choose, Seagate

recommends product planning in one of two modes:

Seagate designs specify capacity points at certain block sizes that Seagate guarantees current and future products will meet. We recommend customers use this capacity in their project planning, as it ensures a stable operating point with backward and forward compatibility from generation to generation. The current guaranteed operating points for this product are shown below.

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 12

Capacity (Blocks)

Sector

Size

512 520 524

528 4096 4160 4192 4224

Capacity (Blocks)

Sector

Size

512

520

Decimal Hex Decimal Hex Decimal Hex

3,516,328,368 D196E9B0h 2,344,225,968 8BBA0CB0h 1,758,174,768 68CB9E30h

3,441,923,088 CD279410h 2,294,615,392 88C50D60h 1,720,961,544 6693CA08h

3,396,046,800 CA6B8FD0h 2,264,031,200 86F25FE0h 1,698,023,400 6535C7E8h

3,347,248,672 C782F620h 2,231,499,112 8501F968h 1,673,624,336 63C17B10h

439,541,046 1A32DD36h 293,028,246 11774196h 219,771,846 D1973C6h

430,961,544 19AFF388h 287,307,696 111FF7B0h 215,480,776 CD7F9C8h

425,524,816 195CFE50h 283,683,208 10E8A988h 212,762,408 CAE7F28h

422,301,144 192BCDD8h 281,534,096 10C7DE90h 211,150,576 C95E6F0h

Decimal Hex Decimal Hex

1,172,123,568 45DD2FB0h 585,937,500 22ECB25Ch

1,147,307,696 446286B0h 573,653,848 22314358h

1800GB 1200GB 900GB

600GB 300GB

524

528 4096 4160 4192 4224

1,132,015,600 43792FF0h 566,007,800 21BC97F8h

1,115,749,560 4280FCB8h 557,874,778 21407E5Ah

146,515,446 8BBA5F6h n/a n/a

143,653,848 88FFBD8h n/a n/a

141,841,608 87454C8h n/a n/a

140,767,048 863EF48h n/a n/a

3.5 Programmable drive capacity

Using the Mode Select command, the drive can change its capacity to something less than maximum. See the Mode Select

(6) parameter list table in the SAS Interface Manual, part number 100293071. A value of zero in the Number of Blocks field

indicates that the drive will not change the capacity it is currently formatted to have. A number other than zero and less than the maximum number of LBAs in the Number of Blocks field changes the total drive capacity to the value in the Number of Blocks field. A value greater than the maximum number of LBAs is rounded down to the maximum capacity.

3.6 Factory-installed options

The following items may be ordered which are incorporated at the manufacturing facility during production or packaged

before shipping. Some of the options available are (not an exhaustive list of possible options):

• Other capacities can be ordered depending on sparing scheme and sector size requested.

• Single-unit shipping pack. The drive is normally shipped in bulk packaging to provide maximum protection against transit damage. Units shipped individually require additional protection as provided by the single unit shipping pack. Users planning single unit distribution should specify this option.

• The Safety and Regulatory Agency Specifications, part number 75789512, is usually included with each standard OEM

drive shipped, but extra copies may be ordered.

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 13

4.0 Performance characteristics

This section provides detailed information concerning performance-related characteristics and features of Seagate

Enterprise Performance 10K HDD drives.

4.1 Internal drive characteristics

1800GB 1200GB 900GB 600GB Models

Sector size 4096 & 512 4096 & 512 4096 & 512 4096 & 512

Emulation Emulation Emulation Emulation

Drive capacity 1800 1200 900 600 GB (formatted, rounded off value) Read/write data heads 8 6 4 3 Bytes per track 1065 1038 1065 1038 Kbytes (avg, rounded off values) Bytes per surface 227,273 213,991 227,273 202,020 MB (unformatted, rounded off value) Tracks per surface (total) 213.4 206.1 213.4 194.6 Ktracks (user accessible, rounded off values) Tracks per inch 328 316.8 328 299 KTPI (avg, rounded off values) Peak bits per inch 1993 1943 1993 1943 Kb/in

Areal density 644.6 606.9 644.6 573.0 Gb/in2

Disk rotation speed 10K 10K 10K 10K rpm Avg rotational latency 2.9 2.9 2.9 2.9 ms

1200GB 900GB 600GB 300GB Models

Sector size 512 512 512 512

Native Native Native Native

Drive capacity 1200 900 600 300 GB (formatted, rounded off value) Read/write data heads 6 6 3 3 Bytes per track 947 1031 947 1109 Kbytes (avg, rounded off values) Bytes per surface 202,051 151,545 202,051 101,030 MB (unformatted, rounded off value) Tracks per surface (total) 213.4 147 213.4 91.1 Ktracks (user accessible, rounded off values) Tracks per inch 328 328 328 280.3 KTPI (avg, rounded off values) Peak bits per inch 1952 1952 1952 1952 Kb/in

Areal density 619.85 619.85 619.9 547.23 Gb/in2

Disk rotation speed 10K 10K 10K 10K rpm

Avg rotational latency 2.9 2.9 2.9 2.9 ms

4.2 Performance characteristics

4.2.1 Format command execution time (minutes)

4096-byte sectors

Maximum (with verify)

Maximum (without verify)

512-byte sectors 1200GB models 900GB models 600GB models 300GB models

Maximum (with verify)

Maximum (without verify)

Execution time measured from receipt of the last byte of the Command Descriptor Block (CDB) to the request for a Status Byte Transfer to the Initiator (excluding connect/disconnect).

When changing sector sizes, the format times shown above may need to be increased by 30 minutes.

1800GB models 1200GB models 900GB models 600GB models

341 222 174 117

171 111 87 58

249 169 125 54

125 85 63 28

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 14

4.2.2 General performance characteristics

Sustained transfer rate for 4096 native and 512 emulation

Sustained transfer rate for 512 native

SAS Interface maximum instantaneous transfer rate

Logical block sizes

512 emulation and native - 512 (default), 520,524, or 528 4096 native - 4096 (default), 4160, 4192, or 4224

Read/write consecutive sectors on a track Yes

Flaw reallocation performance impact (for flaws reallocated at format time using the spare sectors per sparing zone reallocation scheme.)

Average rotational latency 2.9ms

*Assumes no errors and no relocated logical blocks. Rate measured from the start of the first logical block transfer to or from the host. ** MiB/s x 1.048 = MB/s

112 to 230 MiB/s ** 117 to 241 MB/s

103 to 205 MiB/s ** 108 to 215 MB/s

1200 MB/s* per port (dual port = 2400 MB/s*)

Negligible

4.3 Start/stop time

The drive accepts the commands listed in the SAS Interface Manual less than 3 seconds after DC power has been applied.

If the drive receives a NOTIFY (ENABLE SPINUP) primitive through either port and has not received a START STOP UNIT command with the START bit equal to 0, the drive becomes ready for normal operations within 20 seconds (excluding the error recovery procedure).

If the drive receives a START STOP UNIT command with the START bit equal to 0 before receiving a NOTIFY (ENABLE SPINUP) primitive, the drive waits for a START STOP UNIT command with the START bit equal to 1. After receiving a START STOP UNIT command with the START bit equal to 1, the drive waits for a NOTIFY (ENABLE SPINUP) primitive.

After receiving a NOTIFY (ENABLE SPINUP) primitive through either port, the drive becomes ready for normal operations

within 20 seconds (excluding the error recovery procedure).

If the drive receives a START STOP UNIT command with the START bit and IMMED bit equal to 1 and does not receive a NOTIFY (ENABLE SPINUP) primitive within 5 seconds, the drive fails the START STOP UNIT command.

The START STOP UNIT command may be used to command the drive to stop the spindle. Stop time is 20 seconds

(maximum) from removal of DC power. SCSI stop time is 20 seconds. There is no power control switch on the drive. However, power can be cycled on the drive by utilizing SAS Power Disable feature defined by T10 (i.e. drive Pin 3 high).

4.4 Prefetch/multi-segmented cache control

The drive provides a prefetch (read look-ahead) and multi-segmented cache control algorithms that in many cases can

enhance system performance. Cache refers to the drive buffer storage space when it is used in cache operations. To select this feature, the host sends the Mode Select command with the proper values in the applicable bytes in page 08h. Prefetch and cache operations are independent features from the standpoint that each is enabled and disabled independently using the Mode Select command; however, in actual operation, the prefetch feature overlaps cache operation somewhat as described in sections 4.5.1 and 4.5.2.

All default cache and prefetch mode parameter values (Mode Page 08h) for standard OEM versions of this drive family are

given in Section 11.3.2.

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 15

4.5 Cache operation

Note. Refer to the SAS Interface Manual for more detail concerning the cache bits.

Of the 128MB physical buffer space in the drive, approximately 60,000KB are available as a data cache. The remaining

fer space is reserved for internal drive use.

buf

The drive keeps track of the logical block addresses of the data stored in each segment of the buffer. If the cache is enabled

(see RCD bit in the SAS Interface Manual ), data requested by the host with a read command is retrieved from the buffer, if

possible, before any disk access is initiated. If cache operation is not enabled, the buffer is still used, but only as circular buffer segments during disk medium read operations (disregarding Prefetch operation for the moment). That is, the drive does not check in the buffer segments for the requested read data, but goes directly to the medium to retrieve it. The retrieved data merely passes through some buffer segment on the way to the host. All data transfers to the host are in accordance with buffer-full ratio rules. See the explanation provided with the information about Mode Page 02h (disconnect/

reconnect control) in the SAS Interface Manual.

The following is a simplified description of the prefetch/cache operation:

Case A—read command is received and all of the requested logical blocks are already in the cache:

1. Drive transfers the requested logical blocks to the initiator.

Case B—A Read command requests data, and at least one requested logical block is not in any segment of the cache:

1. The drive fetches the requested logical blocks from the disk and transfers them into a segment, and then from there to

the host in accordance with the Mode Select Disconnect/Reconnect parameters, page 02h.

2. If the prefetch feature is enabled, refer to section 4.5.2 for operation from this point.

Each cache segment is actually a self-contained circular buffer whose length is an integer number of logical blocks. The drive

dynamically creates and removes segments based on the workload. The wrap-around capability of the individual

segments greatly enhances the cache’s overall performance.

The size of each segment is not reported by Mode Sense command page 08h, bytes 14 and 15. The value 0XFFFF

NOTE

is always reported regardless of the actual size of the segment. Sending a size specification using the Mode Select command (bytes 14 and 15) does not set up a new segment size. If the STRICT bit in Mode page 00h (byte 2, bit 1) is set to one, the drive responds as it does for any attempt to change an unchangeable parameter.

4.5.1 Caching write data

NOTE

Write caching in this section is the traditional SCSI write caching (WCE=1) where writes are not protected on power loss. TurboBoost provides NVC-protected write caching when WCE=0 over a portion of the DRAM.

Refer to the SAS Interface Manual for more detail concerning the cache bits.

Write caching is a write operation by the drive that makes use of a drive buffer storage area where the data to be written to the medium is stored while the drive performs the Write command.

Seagate Enterprise Performance 10K HDD v8 w/TurboBoost Product Manual, Rev. C 16

If read caching is enabled (RCD=0), then data written to the medium is retained in the cache to be made available for future read cache hits. The same buffer space and segmentation is used as set up for read functions. The buffer segmentation scheme is set up or changed independently, having nothing to do with the state of RCD. When a write command is issued, if RCD=0, the cache is first checked to see if any logical blocks that are to be written are already stored in the cache from a previous read or write command. If there are, the respective cache segments are cleared. The new data is cached for subsequent Read commands.

If the number of write data logical blocks exceed the size of the segment being written into, when the end of the segment is reached, the data is written into the beginning of the same cache segment, overwriting the data that was written there at the beginning of the operation; however, the drive does not overwrite data that has not yet been written to the medium.

If write caching is enabled (WCE=1), then the drive may return Good status on a write command after the data has been transferred into the cache, but before the data has been written to the medium. If an error occurs while writing the data to the medium, and Good status has already been returned, a deferred error will be generated.

The Synchronize Cache command may be used to force the drive to write all cached write data to the medium. Upon

completion of a Synchronize Cache command, all data received from previous write commands will have been written to the medium. Section 11.3.2 shows the mode default settings for the drive.

4.5.2 Prefetch operation

If the Prefetch feature is enabled, data in contiguous logical blocks on the disk immediately beyond that which was requested by a Read command are retrieved and stored in the buffer for immediate transfer from the buffer to the host on subsequent Read commands that request those logical blocks (this is true even if cache operation is disabled). Though the prefetch operation uses the buffer as a cache, finding the requested data in the buffer is a prefetch hit, not a cache operation hit.

To enable Prefetch, use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - DRA bit). DRA bit = 0 enables prefetch.

The drive does not use the Max Prefetch field (bytes 8 and 9) or the Prefetch Ceiling field (bytes 10 and 11).

When prefetch (read look-ahead) is enabled (enabled by DRA = 0), the drive enables prefetch of contiguous blocks from the disk when it senses that a prefetch hit will likely occur. The drive disables prefetch when it decides that a prefetch hit is not likely to occur.

4.5.3 TurboBoost caching operations

Read data that has been promoted into the TurboBoost read cache does not persist through a power cycle. Read data is retrieved from the rotating media after a power cycle.

When WCE=0, TurboBoost provides NVC-protected write caching over the portion of the DRAM used to coalesce writes. Write data only goes into NVC when there is an unexpected power loss to the drive. The NVC has 90-day data retention. When WCE=1, a TurboBoost drive will operate on writes like a standard drive–writes in cache are not protected by NVC and may be lost with power loss.

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5.0 Reliability specifications

The following reliability specifications assume correct host and drive operational interface, including all interface timings,

power supply voltages, environmental requirements and drive mounting constraints.

Seek error rate: Less than 10 errors in 10 Read Error Rates

Recovered Data Less than 10 error in 1012 bits transferred (OEM default settings) Unrecovered Data Less than 1 sector in 1016 bits transferred

Miscorrected Data Less than 1 sector in 10 Interface error rate: Less than 1 error in 10 Mean Time Between Failure (MTBF): 2,000,000 hours Annualized Failure Rate (AFR): 0.44% Preventive maintenance: None required

1. Error rate specified with automatic retries and data correction with ECC enabled and all flaws reallocated.

5.1 Error rates

The error rates stated in this manual assume the following:

• The drive is operated in accordance with this manual using DC power as defined in paragraph 6.3, "DC power consumption."

• Errors caused by host system failures are excluded from error rate computations.

• Assume random data.

• Default OEM error recovery settings are applied. This includes AWRE, ARRE, full read retries, full write retries and full retry time.

seeks

bits transferred

5.1.1 Recoverable Errors

Recoverable errors are those detected and corrected by the drive, and do not require user intervention.

Recoverable Data errors will use Error Correction when needed.

Recovered Data error rate is determined using read bits transferred for recoverable errors occurring during a read, and using write bits transferred for recoverable errors occurring during a write.

5.1.2 Unrecoverable Errors

An unrecoverable data error is defined as a failure of the drive to recover data from the media. These errors occur due to

head/media or write problems. Unrecoverable data errors are only detected during read operations, but not caused by the read. If an unrecoverable data error is detected, a MEDIUM ERROR (03h) in the Sense Key will be reported. Multiple unrecoverable data errors resulting from the same cause are treated as 1 error.

5.1.3 Seek errors

A seek error is defined as a failure of the drive to position the heads to the addressed track. After detecting an initial seek

error, the drive automatically performs an error recovery process. If the error recovery process fails, a seek positioning error (Error code = 15h or 02h) will be reported with a Hardware error (04h) in the Sense Key. Recoverable seek errors are specified at Less than 10 errors in 108 seeks. Unrecoverable seek errors (Sense Key = 04h) are classified as drive failures.

5.1.4 Interface errors

An interface error is defined as a failure of the receiver on a port to recover the data as transmitted by the device port

connected to the receiver. The error may be detected as a running disparity error, illegal code, loss of word sync, or CRC error.

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5.2 Reliability and service

The reliability of Seagate Enterprise Performance 10K HDD disk drives can be enhanced by ensuring that the drive receives

adequate cooling. Section 6.0 provides temperature measurements and other information that may be used to enhance the service life of the drive. Section 10.2 provides recommended air-flow information.

5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failure (MTBF)

The production disk drive shall achieve an annualized failure-rate of 0.44% (MTBF of 2,000,000 hours) over a 5 year service

life when used in Enterprise Storage field conditions as limited by the following:

• 8760 power-on hours per year.

• HDA temperature as reported by the drive <= 50°C

• Ambient wet bulb temp <= 26°C

• Typical workload

• The AFR (MTBF) is a population statistic not relevant to individual units.

• ANSI/ISA S71.04-2013 G2 classification levels and dust contamination to ISO 14644-1 Class 8 standards (as measured

at the device)

The MTBF specification for the drive assumes the operating environment is designed to maintain nominal drive temperature

and humidity. Occasional excursions in operating conditions between the rated MTBF conditions and the maximum drive operating conditions may occur without significant impact to the rated MTBF. However continual or sustained operation beyond the rated MTBF conditions will degrade the drive MTBF and reduce product reliability.

5.2.2 Preventive maintenance

No routine scheduled preventive maintenance is required.

5.2.3 Hot plugging the drive

When a disk is powered on by switching the power or hot plugged, the drive runs a self test before attempting to communicate on its’ interfaces. When the self test completes successfully, the drive initiates a Link Reset starting with OOB.

An attached device should respond to the link reset. If the link reset attempt fails, or any time the drive looses sync, the drive

initiated link reset. The drive will initiate link reset once per second but alternates between port A and B. Therefore each port will attempt a link reset once per 2 seconds assuming both ports are out of sync.

If the self-test fails, the drive does not respond to link reset on the failing port.

It is the responsibility of the systems integrator to assure that no temperature, energy, voltage hazard,

NOTE

CAUTION

shorting of PCBA to ground, or ESD potential hazard is presented during the hot connect/disconnect operation. Discharge the static electricity from the drive carrier prior to inserting it into the system.

The drive motor must come to a complete stop prior to changing the plane of operation. This time is required to insure data integrity.

5.2.4 S.M.A.R.T.

S.M.A.R.T. is an acronym for Self-Monitoring Analysis and Reporting Technology. This technology is intended to recognize conditions that indicate imminent drive failure and is designed to provide sufficient warning of a failure to allow an application to back up the data before an actual failure occurs.

NOTE

The drive’s firmware monitors specific attributes for degradation over time but can’t predict instantaneous drive failures.

Each monitored attribute has been selected to monitor a specific set of failure conditions in the operating performance of the drive and the thresholds are optimized to minimize “false” and “failed” predictions.

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Controlling S.M.A.R.T.

The operating mode of S.M.A.R.T. is controlled by the DEXCPT and PERF bits on the Informational Exceptions Control

mode page (1Ch). Use the DEXCPT bit to enable or disable the S.M.A.R.T. feature. Setting the DEXCPT bit disables all S.M.A.R.T. functions. When enabled, S.M.A.R.T. collects on-line data as the drive performs normal read and write operations. When the PERF bit is set, the drive is considered to be in “On-line Mode Only” and will not perform off-line functions.

Applications can measure off-line attributes and force the drive to save the data by using the Rezero Unit command. Forcing

S.M.A.R.T. resets the timer so that the next scheduled interrupt is in one hour.

Applications can interrogate the drive through the host to determine the time remaining before the next scheduled

measurement and data logging process occurs. To accomplish this, issue a Log Sense command to log page 0x3E. This allows applications to control when S.M.A.R.T. interruptions occur. Forcing S.M.A.R.T. with the RTZ command resets the timer.

Performance impact

S.M.A.R.T. attribute data is saved to the disk so that the events that caused a predictive failure can be recreated. The drive measures and saves parameters once every hour subject to an idle period on the drive interfaces. The process of measuring off-line attribute data and saving data to the disk is interruptable. The maximum on-line only processing delay is summarized below

Maximum processing delay

Fully-enabled delay DEXCPT = 0

S.M.A.R.T. delay times 75 ms

Reporting control

Reporting is controlled by the MRIE bits in the Informational Exceptions Control mode page (1Ch). Subject to the reporting method. For example, if the MRIE is set to one, the firmware will issue to the host an 01-5D00 sense code. The FRU field contains the type of predictive failure that occurred. The error code is preserved through bus resets and power cycles.

Determining rate

S.M.A.R.T. monitors the rate at which errors occur and signals a predictive failure if the rate of degraded errors increases to an unacceptable level. To determine rate, error events are logged and compared to the number of total operations for a given attribute. The interval defines the number of operations over which to measure the rate. The counter that keeps track of the current number of operations is referred to as the Interval Counter.

S.M.A.R.T. measures error rates. All errors for each monitored attribute are recorded. A counter keeps track of the number of errors for the current interval. This counter is referred to as the Failure Counter.

Error rate is the number of errors per operation. The algorithm that S.M.A.R.T. uses to record rates of error is to set thresholds for the number of errors and their interval. If the number of errors exceeds the threshold before the interval expires, the error rate is considered to be unacceptable. If the number of errors does not exceed the threshold before the interval expires, the error rate is considered to be acceptable. In either case, the interval and failure counters are reset and the process starts over.

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