Quantum DLT 8000 Handbuch Seite 373

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Quantum DLT 8000 Tape System A-1
Appendix A
DEFINITION OF VENDOR UNIQUE SENSE DATA
INFORMATION
This appendix lists the internal status codes with their descriptions.
The internal status code is located at byte offset 18 of the REQUEST SENSE data and
may be available for certain types of failures.
NOTE
Byte 18 of the REQUEST SENSE data has two formats: a byte code and a bit flags
format. The bit flags format is used when there is no internal status code to report
and can be quickly distinguished by checking to see if bit 7 of byte 18 is set to 1.
Table A–1 Internal Status Codes
Decimal Hexadecimal Description
0 0 No Meaning
1 1 Reed-Solomon Error Correction Code Recovery
2 2 READ or WRITE Block Retry (Soft Retry)
3 3 REPOSITION Command Aborted
4 4 Controller Has Stopped Reading
5 5 No Control or Data Buffers Available
6 6 Target Delivered in Read Ahead
7 7 Logical EOT Encountered, 2 Filemarks
8 8 Command Connection Dropped
9 9 Cleared from Queue
10 0A Missing Data Block – READ only
11 0B Gap Within Object (Missing Block in Record)
12 0C Record on Tape Larger Than Requested
13 0D Compare Error
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