Fujitsu M2488 manual Read Reverse Sense Keys, Sense KEY Condition Description

TAPE UNIT SCSI COMMANDS M2488 PRODUCT GUIDE

4-3.18.3 READ REVERSE 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. Filemark encountered.
		2.	BOT encountered.
1h	RECOVERED ERROR	1. Recovery was performed when writing buffered data before the
			READ REVERSE command was executed.
		2.	Recovery was performed when reading data from tape.
3h	MEDIUM ERROR	1. Write of buffered data failed due to a defective tape. (Synchro-
			nize before READ REVERSE attempted.)
		2.	Error occurred when attempting to space backward over block
			to be read.
		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. (Syn-
			chronize before READ REVERSE attempted.)
		2.	Error occurred when attempting to space backward over block
			to be read.
5h	ILLEGAL REQUEST	1. Reserved bit was found set in the CDB of the READ
			REVERSE command.
		2.	SILI bit set to 1 and Fixed bit set to 1.
		3.	Fixed bit is 1 but variable mode was indicated by the most
			recent MODE SELECT
		4.	The Flag bit was set but the Link bit was not set.
		5.	Bytes in block could not be transferred in reverse order.
6h	UNIT ATTENTION	Indicates the READ REVERSE 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	READ REVERSE command was aborted. the READ REVERSE
		command can be reissued.
Dh	VOLUME OVERFLOW	Write of buffered data prior to the Read Reverse operation failed
		because physical End-of-Tape has been reached.

4-82 CG00000-011503 REV. A April 1997