4-3.23.3 Request Sense Sense Keys - Fujitsu M2488 Product Manual

TAPE UNIT SCSI COMMANDS
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
4h HARDWARE ERROR
5h ILLEGAL REQUEST
4-104
SCSI interface error occurred due to hardware failure (e.g. trans-
fer of Request Sense data failed due to hardware failure).
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.
CG00000-011503 REV. A
M2488 PRODUCT GUIDE
DESCRIPTION
April 1997