SCSI Commands: 40BREQUEST SENSE
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173
3.28.3.3
Additional Sense Codes and Code Qualifiers
Additional Sense Codes and Additional Sense Codes Qualifiers are returned in the
REQUEST SENSE data in bytes 12 and 13. These codes are loaded whenever a
Check Condition is returned for a SCSI command. The purpose of the codes is to
provide more specific error information.
Sense
Key
Byte 2
ASC
Byte 12
ASCQ
Byte 13
Message
Explanation
00h No Sense
00h 00h
00h
No additional sense
information
Other sense data fields indicate the
reason for command failure.
00h 00h
01h
Filemark
detected A READ or a SPACE command has
terminated early because a file
mark has been encountered. The
File Mark field will be set.
00h 00h
02h
End-of-medium
detected
A WRITE or a WRITE FILEMARKS
command ended in the early warn-
ing area. The EOM flag will be set.
00h 00h
04h
Beginning-of-medium
detected
A SPACE command was
terminated at the beginning-of-
media position.
00h 5Dh
00h
Failure prediction
threshold exceeded
TapeAlert flags were set and
exception reporting enabled.
00h 5Dh
FFh
Failure prediction
threshold exceeded (false)
TapeAlert test condition was set.
01h Recovered Error
01h 37h
00h
Rounded
parameter A SET CAPACITY or MODE
SELECT command parameter has
been rounded to a value within the
normal operating parameters of the
drive.
01h 3Fh
00h
Target operation
conditions have changed.
Cartridge Memory INQUIRY failure
detected.
01h 5Dh
00h
Failure prediction
threshold exceeded
Failure Prediction thresholds have
been exceeded indicating that a
failure may occur soon.
01h 5Dh
FFh
Failure prediction
threshold exceeded (false)
Test condition set to report Failure
Prediction threshold.
02h Not Ready
02h 04h
00h
Logical unit not ready
cause not reportable
A tape is present in the drive; it is in
the process of being unloaded.
02h 04h
01h
Logical unit is in process
of becoming ready
A medium access command has
been received during a front panel
initiated load or an immediate
reported load command.
02h 04h
02h
Logical unit not ready,
initializing command
required
A tape is present in the drive, but is
not logically loaded. A Load
command is required.
02h 04h
03h
Logical unit not ready,
manual intervention
required
A tape in the drive must be ejected.
02h 04h
07h
Logical unit not ready,
operation in progress
An immediate command is in
progress
Summary of Contents for LTO 4
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