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Sense Data Error Recovery Methods
5 - 6 C141-E167
Table 5.2 Sense and subsense codes (1 of 5)
C* Q* Name Explanation
Sense
key
00 No additional sense
information
No specific sense code exists. 000
06 I/O process terminated I/O was interrupted by the Terminated I/O Process message. 0
01 00 No index/sector signal The target sector was not detected by the sector counter within the
specified time.
4
00 Peripheral device write
fault
A write operation to the disk media was terminated abnormally.
• Off track during write.
1, 3, B
80 Peripheral device write
fault
A write operation to the disk media was terminated abnormally.
• Write current abnormality
4, B
82 Peripheral device write
fault
A write operation to the disk media was terminated abnormally.
• Servo mark not found during write.
1, 3, B
03
83 Peripheral device write
fault
A write operation to the disk media was terminated abnormally.
• Servo cell detected was detected during write.
• Write gate and sector pulse were activated at the same time
during write.
4, B
01 Logical unit in process of
becoming ready
Disk drive is getting ready.
(The spindle motor is not at its regular rotation speed or has reached
its regular rotation speed but is still reading the information)
2
02 Logical unit not ready Disk drive is in start command waiting state.
(initializing command required)
2
04 Logical unit not ready,
format in progress
The drive cannot be accessed since it is being formatted. 2
04
09 Logical unit not ready,
Self-Test in progress
The drive cannot be accessed since it is being Self-Test. 2
0B 01 Specified temperature
exceeded
Temperature exceeded established value. 0, 1, 6
01 Write error recovered with
auto reallocation
A write error was recovered with auto reallocation. 1
02 Write error – auto
reallocation failed
Write auto reallocation or the write that was applied to auto
reallocation was failed.
3
0C
03 Write Error Unrecovered Write Offtrack Error
• Write retries are exhausted in case of AWRE = 0
3
80 Write Error
• Unrecovered Write
Offtrack Error
Write offtrack retries are
exhausted.
Reported if a write offtrack occurred during the Format unit
command execution.
3
11 00 Unrecovered Read Error Unrecovered read error occurs during reading data field (LBA
Miscompare Error detected by SCSI portion)
3
01 Read retries exhausted Unrecovered error was detected during data read (retry out). 3, B
02 Error too long to correct Unrecovered error was detected during data read (BCRC error
detected by SCSI)
3, B
04 Unrecovered read error,
auto reallocation failed
Auto allocation failed during read. 3
* C: Sense Code, Q: Sub-sense Code