HGST Ultrastar 7K2 - Page 5

Ultrastar 7K2
HGST Hard Disk Drive
Technical Reference Manual
5
4.0 RELIABILITY ....................................................................................................................................................................... 28
4.1 Reliability Considerations ............................................................................................... 28
4.2 Error Rates ...................................................................................................................... 28
Error Rates ............................................................................................................... 28
Environmental Interference ....................................................................................... 29
4.3 Reliability Features Set .................................................................................................... 30
Data Lifeguard™
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..................................................................................................... 30
Thermal Management ............................................................................................... 30
Internal Environmental Protection System ................................................................. 30
Defect Management ................................................................................................. 30
Recoverable Errors ................................................................................................... 30
Unrecoverable Errors ................................................................................................ 30
Automatic Defect Retirement .................................................................................... 31
Error Recovery Process ............................................................................................. 31
5.0 ATA COMMAND SET ....................................................................................................................................................... 32
5.1 Host Interface Commands ............................................................................................... 32
ATA-7/ATA-8 Commands ......................................................................................... 32
SATA Commands ...................................................................................................... 33
Obsolete Commands ................................................................................................ 33
SCT Commands ........................................................................................................ 34
5.2 S.M.A.R.T. (B0h) .............................................................................................................. 35
Read Attribute Values Sub-Command ........................................................................ 35
Supported Attributes ................................................................................................ 36
Read Log Sector ........................................................................................................ 37
5.3 Identify Device (ECh) ....................................................................................................... 38
5.4 Set Features (EFh) ........................................................................................................... 44
6.0 DRIVE HANDLING AND MAINTENANCE ................................................................................................................ 45
6.1 Unpacking ...................................................................................................................... 45
Handling Precautions ................................................................................................ 45
Inspection of Shipping Container .............................................................................. 45
Removal From Shipping Container ............................................................................ 45
Removal From Static Shielding Bag ............................................................................ 46
Moving Precautions .................................................................................................. 46
6.2 Hard Drive Installation .................................................................................................... 46
Backplane Usage ....................................................................................................... 47
6.3 Maintenance ................................................................................................................... 48
7.0 GLOSSARY ........................................................................................................................................................................... 49