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M2488 PRODUCT GUIDE TAPE UNIT SCSI COMMANDS
April 1997 CG00000-011503 REV. A 4-149
tor, CHECK CONDITION status is returned with a sense key set to ILLEGAL REQUEST with an
additional sense code of INVALID FIELD IN CDB. If the requested buffer offset exceeds the
buffer capacity, the target returns CHECK CONDITION status and sets the sense key to ILLE-
GAL REQUEST with an additional sense code of INVALID FIELD IN CDB.
4-3.32.3 WRITE BUFFER Sense Keys
One of the following sense keys may be returned if a CHECK CONDITION was indicated:
SENSE KEY CONDITION DESCRIPTION
1h RECOVERED ERROR 1. Recovery was performed when transferring data from the initiator.
2. Recovery was performed when synchronizing buffered write data to
tape prior to performing the WRITE BUFFER operation.
3h MEDIUM ERROR 1. Synchronizing buffered write data to tape failed due to defective tape.
2. An attempt was made to write 36-track data on 18-track formatted
medium.
4h HARDWARE ERROR 1. Transferring data from the initiator failed due to a hardware failure.
2. Synchronizing buffered data to tape failed due to a hardware failure.
5h ILLEGAL REQUEST 1. Reserved bit was found set in the CDB of the WRITE BUFFER com-
mand.
2. The Flag bit was set but the Link bit was not set.
3. Buffer ID field contains an invalid value.
4. Buffer Offset field contains an invalid value.
5. Parameter List Length field is contains an invalid value.
6h UNIT ATTENTION Indicates the WRITE BUFFER command was not performed due to one
of the following:
1. The tape cartridge may have been changed.
2. The target has been reset.
3. The Mode parameters have been changed by another initiator.
4. The version of the microcode has been changed (microcode down-
loaded).
5. A cartridge was loaded with a tape length that is too long or too short.
Bh ABORTED COMMAND WRITE BUFFER command was aborted.
Dh VOLUME OVERFLOW Write of buffered data prior to the WRITE BUFFER operation failed
because physical End-of-Tape has been reached.