Hitachi HUS154530VLF400 User Manual
Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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22.2.10.2 Sense Key Specific - Recovered (Sense Key = 1h) or Medium (Sense Key = 3h) or Hard-
ware (Sense Key = 4h)
ware (Sense Key = 4h)
Hardware (Sense Key = 4h) or Medium Error (Sense Key = 3h)
Actual Retry Count is reported.
Table 267:
Actual Retry Count
SKSV
Sense-key specific valid
0
Actual Retry Count is not valid.
1
Actual Retry Count is valid.
Actual Retry Count
Number of retry steps used in attempting to recover from the error condition.
Secondary Step
Secondary error recovery step (valid for servo errors only).
ERP Type
Error recovery table branch for this error. Valid values are shown in the table below.
22.2.10.3 Sense Key Specific - Not Ready (Sense key = 2h)
These fields are defined for the Format unit (04h) command with the Immediate bit set to one and the Send Diagnostic (1Dh)
command with Background self-test function.
command with Background self-test function.
Byte
Bit
7
6
5
4
3
2
1
0
15
SKSV
Reserved
16
Secondary Step
ERP Type
17
Actual Retry Count
Recovery Type
ERP Type
Read
0x00
Verify
0x01
Write
0x02
Seek
0x03
Read, Sync Byte branch
0x04
Read, Thermal Asperity branch
0x05
Read, Minus Mod branch
0x06
Verify, Sync Byte branch
0x07
Verify, Thermal Asperity branch
0x08
Verify, Minus Mod branch
0x09