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11.
11.1
Appendix A - Error Codes, Recovery & Subcodes
Medium Changer Device SCSI Error Codes
The following is a list of error codes returned by a Request Sense command issued to the
medium changer device within the library. All values are in hex. The codes are listed in
Sense Key order. See the Request Sense command, in the SCSI manual for a description
of the Sense Key values. Errors listed here with a Sense Key of 04h, hardware error, may
also be returned with a Sense Key of 01h, recovered error. This indicates that the
command was successful although the library did have some difficulty in completing the
command. Recovered errors indicate a possible problem with the library.
Recommendations for recovery for a given error are found in the last column when
applicable. When multiple recoveries are listed follow the specified order (i.e. recovery 1
followed by recovery 14 if recovery 1 is not successful). The following section details
these recovery methods. Note that the Error Type (as seen on the front panel) is also
provided in the Log Sense error logs. Not all errors have host recovery procedures. It
should be noted that the library system attempts extensive error recovery on its own and
many cases has already done some of the suggested recovery items.
Error codes returned by optical drives within the library system are not listed — see the
appropriate drive manuals for a description of these errors.
Sense
Key
Sense
Code
00
00
01
80
Qualifier Error
Type
Error Description
Host
Corrective
Action
00
00 No Additional Sense
1
00
No sense information describing an error is relevant.
A Request Sense command was sent when no error
was outstanding
2E Recovered error
2
na
3
01
80
4A
The previous move command encountered an event
from which the medium changer recovered. This is
an informational indication only issued by the medium
changer when report recovery mode is set.
23 Bar code reader reset occurred.
02
04
01
This error code is currently not used.
01 Not Ready, in process of becoming ready
The medium changer is in the process of powering
up, or recovering from a SCSI reset
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