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M2488 PRODUCT GUIDE TAPE UNIT SCSI COMMANDS
April 1997 CG00000-011503 REV. A 4-7
c. Changes to VPD page C1h Configuration Page take effect following a power-on reset condi-
tion.
4-3.2.3 CHANGE DEFINITION CHECK CONDITION Status
If a CHECK CONDITION is returned as a result of the Change Definition CDB, the change is not
performed.
4-3.2.4 CHANGE DEFINITION Sense Keys
One of the following sense keys may be returned if a CHECK CONDITION was indicated:
SENSE KEY CONDITION DESCRIPTION
1h RECOVERED ERROR Recovery was performed while writing buffered data before the
CHANGE DEFINITION was received.
3h MEDIUM ERROR 1. Write of buffered data failed due to a defective tape.
2. An attempt was made to write 36-track data on 18-track format-
ted medium.
4h HARDWARE ERROR 1. Write of buffered data failed due to a hardware failure.
2. SCSI interface error occurred due to hardware failure (i.e.
unable to transfer parameters)
3. Writing of the Change Definition data to the non-volatile RAM
failed due to a hardware error.
5h ILLEGAL REQUEST 1. Reserved bit was found set in the CDB of the CHANGE DEFI-
NITION command.
2. Flag bit was set and Link bit was not set.
3. Definition parameter 41h is sent to target without the factory
mode set.
4. Parameter data contains a partial page
5. Parameter data contains an unchangeable page
6. Parameter data contains invalid (non-ASCII) data.
6h UNIT ATTENTION Indicates the CHANGE DEFINITION command was not per-
formed 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.