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C141-E201 7-3
7.2 Sense Data Analysis
7.2.1 Error information indicated with sense data
Subsection 7.2.2 onwards explain troubleshooting using sense data.
Table 7.1 lists the definition of sense data. For details of sense data, refer to the SCSI
Logical Interface Specifications.
Table 7.1 Definition of sense data
Sense data
Sense
key
Additional
sense code
Additional
sense code
qualifier
00 00 00 Operation was normal.
3 0C 03 A write to a disk terminated abnormally.
4 32
40
C4
01
xx
xx
Failed to update the defect list due to a disk medium write error, etc.
An error occurred in power-on self-diagnosis.
A drive error occurred.
1
3
1x
1x
xx
xx
A disk read error occurred.
A disk read error occurred.
E 1D 00 Data discrepancy found by VERIFY command byte check.
5
B
2x
3D
90
44
47
49
4D
4E
xx
00
00
xx
xx
00
xx
00
An SCSI error, such as an invalid operation code, occurred.
The Reserve bit of the IDENTIFY message was set to 1.
The RESERVE or RELEASE command cannot be executed
because the SCSI ID of the INIT was not posted in the
SELECTION phase.
A hardware error occurred inside IDD.
A parity error occurred in the SCSI data bus.
An unmounted or inappropriate message was received.
Before completion of a command, a command with the same tag
number was issued.
An overlap command was issued.
Definition