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Julyl 2017 Command Set 229
Aborted Command Sense Key
The library generates an Aborted Command error code when a SCSI command is
aborted because of a SCSI protocol error. The initiator might not register a Check
Condition status related to these errors because of the nature of the aborted
commands, but the sense data is available. The following pages describe the
conditions of the library that generates Aborted Commands.
Logical Unit Communication Failure
The drive returns this status when there is a logical unit communication failure that
prevents the library from processing the command.
Logical Unit Communication Timeout
This error is only returned on an IBM Bridged Tape Drive. The IBM bridged tape
drive returns this status when the library requires more than 12 minutes to complete
a command.
Mechanical Positioning Error
The library detected an error while trying to position and the operation could not be
completed.
I_T Nexus Loss
The IBM Bridged Tape Drive detected an I_T Nexus Loss that prevented the library
from completing the command.
Command Phase Error
The library detected a command phase error and the operation could not be
completed.
Data Phase Error
The library detected a data phase error and the operation could not be completed.
TABLE 4-127 Aborted Command Sense Keys
Description Sense Key ASC ASCQ
Logical Unit Communication Failure 0Bh 08h 00h
Logical Unit Communication Timeout 0Bh 08h 01h
Mechanical Positioning Error 0Bh 15h 01h
I_T Nexus Loss 0Bh 29h 07h
Command Phase Error 0Bh 4Ah 00h
Data Phase Error 0Bh 4Bh 00h
Command Overlap 0Bh 4Eh 00h
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