Sense keys and codes68
HP restricted
5h—ILLEGAL REQUEST
The following actions apply to all additional sense codes in this group:
53 01 Unload tape failure The tape unload failed because it cannot be physically
completed at this point in time.
Action: see above
82 83 Bad microcode detected The data transferred to the drive during a firmware
upgrade is corrupt or incompatible with the drive
hardware.
Action: see above
Code Meaning Comments
Action: 1. Terminate the current I/O and return the appropriate error.
2. Log the incident in the system log.
3. Print out all the
REQUEST SENSE data bytes and check bytes 15 through 17 to
identify the location of the offending bits or bytes.
4. Refer to the table of Drive Error Codes in Volume 3, SCSI Interface, of the
Ultrium Technical Reference Manual to understand why the current values were
rejected.
5. This is likely to be an application fault. Send a message to the console “Illegal
SCSI request to tape drive”.
Code Meaning Comments
1A 00 Parameter list length error A
MODE SELECT parameter list sent to the drive contains
one of the following:
• An incomplete Mode Parameter header (must be
4bytes)
• An incomplete Mode Block Descriptor (must be 0 or
8bytes)
• An incomplete Mode page
20 00 Invalid command opcode The drive does not recognize the opcode of the
command it has received.
24 00 Invalid field in CDB The drive has detected an invalid field in a command
descriptor block.
25 00 LUN not supported The command was addressed to a logical unit number
that does not exist.
26 00 Invalid field in parameter
list
The drive detected an invalid field among the command
parameters sent during the data phase.
26 01 Parameter not supported A request for an invalid page number has been sent.
