Table 66. LTO Tape Drive Sense Data (continued)
Byte
Bit Address or Name
7 6 5 4 3 2 1 0
12-13 Additional Sense Code (ASC)
Additional Sense Code Qualifier (ASCQ)
Byte 12 Byte 13
ASC ASCQ
00 00 - No additional sense - The flags in the sense data indicate the reason for
the command failure
00 01 - Filemark detected - A Read or Space command terminated early due to an FM
The FM flag is set.
00 02 - EOM - A Write or Write File Marks command failed because the physical
end of tape was encountered, or a Read or Space command encountered EOM
The EOM flag is set
00 04 - BOM - A Space command ended at Beginning of Tape
The EOM bit is also set
00 05 - EOD - Read or Space command terminated early
because End of Data was encountered
00 16 - Operation in Progress
04 00 - Cause not reportable - A cartridge is present in the drive, but it is in the
process of being unloaded
04 01 - Becoming Ready - A Media Access command was received during a
front panel initiated load or an immediate reported load command
04 02 - Initializing Command Required - A cartridge is present in the drive, but is not
logically loaded. A Load command is required
04 03 - Manual Intervention Required - A cartridge is present in the drive but could
not be loaded or unloaded without manual intervention
04 10 - Logical unit not ready, auxiliary memory not accessible
04 12 - Logical unit not ready, offline
08 01 - Logical unit communication failure
09 00 - Track following error (servo)
0C 00 - Write Error - A Write operation has failed. This is probably due to bad
media, but may be hardware related
11 00 - Unrecovered Read Error - A Read operation failed. This is probably due
to bad media, but may be hardware related
11 12 - Auxiliary memory read error. The drive reported that it is unable to read the
Auxiliary Memory in a WORM cartridge.
14 00 - Recorded Entity Not Found - A Space or Locate command failed because
a format violation prevented the target from being found.
14 03 - End Of Data not found - A Read type operation failed because a format
violation related to a missing EOD data set
14 10 - Not Ready - Auxiliary memory not accessible. The drive is not able to become
ready because it is unable to access the Auxiliary Memory in a WORM cartridge.
17 01 - Recovered data with retries
1A 00 - Parameter list length error - The amount of parameter data sent is incorrect
20 00 - Invalid Command Operation Code - The Operation Code in the command
was not a valid Operation Code
24 00 - Invalid field in CDB - An invalid field has been detected in a
Command Descriptor Block
25 00 - LUN not supported - The command was addressed to a non-existent
logical unit number
26 00 - Invalid Field in Parameter List - An invalid field has been detected in the
data sent during the data phase
Appendix D. Sense data 305
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