M2488 PRODUCT GUIDE TAPE UNIT SCSI COMMANDS
April 1997 CG00000-011503 REV. A 4-1374-3.29.3 SPACE Sense Keys
One of the following sense keys may be returned if a CHECK CONDITION was indicated:
SENSE KEY CONDITION DESCRIPTION
0h NO SENSE 1. A filemark was encountered while spacing over blocks.
2. Beginning-of-Tape was encountered while spacing backward.
8h BLANK CHECK End-of-Data was encountered while spacing forward.
1h RECOVERED ERROR 1. Recovery was performed when writing buffered data before the
positioning occurred.
2. Retries were needed to complete the positioning.
2h NOT READY Logical Unit was not ready (tape was not loaded or wasn’t ready).
3h MEDIUM ERROR 1. Write of buffered data failed due to defective tape.
2. End-of-Tape was encountered while spacing forward.
3. An attempt was made to write 36-track data on 18-track format-
ted medium.
4. The tape length in the cartridge is too long or too short.
4h HARDWARE ERROR 1. Write of buffered data failed due to a hardware failure.
2. The spacing operation was not completed because of a hard-
ware failure.
5h ILLEGAL REQUEST 1. Reserved bit was found set in the CDB of the SPACE com-
mand.
2. Illegal Code field specified for SPACE command.
3. The Flag bit was set but the Link bit was not set.
6h UNIT ATTENTION Indicates the SPACE 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
downloaded).
5. A cartridge was loaded with a tape length that is too long or too
short.
Bh ABORTED COMMAND Space command was aborted.
Dh VOLUME OVERFLOW Write of buffered data prior to the SPACE operation failed
because physical End-of-Tape has been reached.