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Sense Data Error Recovery Methods
5 - 8 C141-E167
Table 5.2 Sense and subsense codes (3 of 5)
C* Q*
Name Explanation
Sense
key
1F 00 Partial Defect List Transfer Read Defect Data command (37h) cannot transfer all the Defect data
in the target because the numbers of defect exceeded the maximum.
1
20 00 Invalid command
operation code
CDB byte 0 (operation code) is illegal. 5
21 00 Logical block address out
of range
A logical block address which exceeds the drive's maximum value
was specified.
5
24 00 InvalidfieldinCDB ThereisanerrorinaspecificationintheCDB. 5
25 00 Logical unit not supported An illegal LUN was specified. 5
26 00 Invalid field in parameter
list
There is an error in the parameter list specifications transferred from
the INIT during command execution.
5
04 Invalid Release of
Persistent Reservation
There is unmatched valid reservation status in the parameter list
specifications
5
27 00 Write protected A write operation was attempted in a write protected area. Or a
write operation is prohibited at the external operation panel.
7
01 Power on occurred Power On occurred. 6
02 SCSI reset occurred A SCSI RESET was received. 6
03 TARGET RESET message
occurred
A TARGET RESET message was received. 6
05 Transciever mode changed
to Single-Ended
Transciever mode was changed to Single-Ended mode. 6
29
06 Transciever mode changed
to LVD
Transiever mode was changed to LVD mode. 6
01 Mode parameter changed The MODE SELECT parameter values were changed by another INIT. 6
03 Reservations preempted A persistent reserve state was cleared by another INIT. 6
04 Reservations released A persistent reserve state was released 6
2A
05 Registrations preempted A persistent reserve state was prempted by another INIT. 6
2F 00 Command cleared by
another INIT
A command was forcibly terminated by another INIT during
execution or queuing.
• By a CLEAR QUEUE message
• The sense hold state was entered when the QErr bit was set on "1."
• The DQue bit was changed from "0" to "1."
6
00 Medium format corrupted The media format is different from the original format. (The media
was not formatted after the data format specification was changed by
the MODE SELECT command.)
3
31
01 FORMAT command failed For some reason, formatting cannot be completed and reformatting
is necessary.
3
00 No defect spare location
available
No usable alternate block area exists. Or alternate block processing
cannot be performed due to control table overflow.
432
01 Defect list update failure Updating of the defect list (G List) failed. 4
37 00 Rounded parameter Rounding processing of the MODE SELECT parameter specified by
the command was performed.
1
* C: Sense Code, Q: Sub-sense Code