Chapter 4. Sense Keys and Additional Sense
Note: If temporary error reporting is enabled, many combinations of the Additional
Sense Code and Additional Sense Code Qualifier (ASC/ASCQ) are possible.
Table 109. Sense Keys and Additional Sense
Sense Key Additional Sense
(ASC/ASCQ)
Explanation
No Sense
(0h)
No Additional Sense
(0000h)
The flags in the sense data indicate the reason for
the command failure.
No Sense
(0h)
Mark (0001h) A READ or a SPACE command has terminated early
because a file mark has been encountered. The File
Mark flag is set.
No Sense
(0h)
EOM (0002h) A WRITE or WRITE FILE MARKS command ended
in the early warning area. EOM flag is set.
No Sense
(0h)
BOM (0004h) A SPACE command ended at Beginning of Tape. The
EOM bit is also set.
No Sense
(0h)
Op in Progress
(0016h)
A new operation could not be carried out because an
operation is currently in progress.
No Sense
(0h)
Drive Requires
Cleaning (8282h)
The drive has detected that a cleaning operation is
advisable to maintain good operation.
Recovered
Error (1h)
No Additional Sense
(0000h)
A recovered error has occurred.
Recovered
Error (1h)
Write Error (0C00h) A write error occurred, but was recovered. Data was
written to tape successfully.
Recovered
Error (1h)
Read Error (1100h) A read error occurred, but was recovered. Data was
successfully read from tape.
Recovered
Error (1h)
Recovered Data with
Retries (1701h)
An error occurred, but was successfully recovered
with retries.
Recovered
Error (1h)
Media Load or Eject
Error (5300h)
A LOAD or UNLOAD command required retries to
complete successfully.
Recovered
Error (1h)
Failure Prediction
Threshold (5D00h)
Failure Prediction thresholds have been exceeded,
indicating that a failure may occur soon.
Not Ready
(2h)
Cause Not
Reportable (0400h)
A tape is present in the drive, but it is in the process
of being unloaded.
Not Ready
(2h)
Becoming Ready
(0401h)
A medium access command has been received
during a front-panel-initiated load or an immediately
reported LOAD command.
Not Ready
(2h)
Initializing Command
Required (0402h)
A tape is present in the drive, but it is not logically
loaded. A LOAD command is required.
Not Ready
(2h)
Cleaning Cartridge
Installed (3003h)
An operation could not be carried out because the
tape in the drive is a cleaning cartridge.
Not Ready
(2h)
Cleaning Failure
(3007h)
A cleaning operation was attempted, but could not be
completed for some reason.
Not Ready
(2h)
Medium Not Present
(3A00h)
A media access command has been received when
there is no tape loaded.
Not Ready
(2h)
Logical Unit Has Not
Self-configured
(3E00h)
The drive has powered on, has not completed its self
test sequence, and cannot process commands.
© Copyright IBM Corp. 2001, 2000 89
