TAPE UNIT SCSI COMMANDS M2488 PRODUCT GUIDE
4-104 CG00000-011503 REV. A April 1997
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.