Fujitsu M2488 manual Request Sense Sense Keys

TAPE UNIT SCSI COMMANDS M2488 PRODUCT GUIDE

Example:

a. The target receives a nonzero reserved bit in the command descriptor block.

b. An unrecovered parity error occurs on the DATA BUS.

c. A target malfunction prevents return of the sense data.

If any nonfatal error occurs during the execution of the REQUEST SENSE command, the target returns the sense data with GOOD status. Following a fatal error on a REQUEST SENSE com- mand, sense data may be invalid.

4-3.23.3 REQUEST SENSE Sense Keys

One of the following sense keys may be returned if a CHECK CONDITION was indicated:

SENSE KEY	CONDITION	DESCRIPTION
4h	HARDWARE ERROR	SCSI interface error occurred due to hardware failure (e.g. trans-
		fer of Request Sense data failed due to hardware failure).
5h	ILLEGAL REQUEST	1. Reserved bit was found set in the CDB of the Request Sense
		command.
		2. Flag bit in the Request Sense CDB was set and Link bit was not
		set.

4-104 CG00000-011503 REV. A April 1997