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Table A-3 Most Common SCSI Additional Sense Code/Qualifier Pairs (continued)
MeaningSCSI Qualifier CodeSCSI Additional Sense
Code
Logical unit not supported
0x000x25
Invalid field in parameter list
0x000x26
Parameter not supported
0x01
Parameter value invalid
0x02
Threshold parameters not supported
0x03
Write protected
0x000x27
Hardware write protected
0x01
Logical unit software write protected
0x02
Associated write protect
0x03
Persistent write protect
0x04
Permanent write protect
0x05
Conditional write protect
0x06
Not ready to ready change, medium may have changed
0x000x28
Power on, reset, or bus device reset occurred
0x000x29
Power on occurred
0x01
SCSI bus reset occurred
0x02
Bus device reset function occurred
0x03
Device internal reset
0x04
Tranceiver mode changed to single-ended
0x05
Tranceiver mode changed to LVD
0x06
Parameters changed
0x000x2a
Mode parameters changed
0x01
Log parameters changed
0x02
Reservations Preempted
0x03
Reservations released
0x04
Registrations preempted
0x05
Command sequence error
0x000x2c
Incompatible medium installed
0x000x30
Cannot read medium—unknown format
0x01
Cannot read medium—incompatible format
0x02
Cleaning cartridge installed
0x03
Cannot write medium - unknown format
0x04
Cannot write medium - incompatible format
0x05
Cannot format medium - incompatible medium
0x06
Cleaning failure
0x07
68 SCSI Sense Codes