Commands 67
Commands
A non-zero value of the cleaning required parameter indicates that a condition
requiring cleaning has been detected and a subsequent cleaning cycle has not
yet been completed. The cleaning required parameter shall be persistent
across hard resets and power cycles.
TapeAlert Log Page
The TapeAlert log page is page 2Eh. There are 64 parameters numbered from
1 through 64. Only parameters 1 through 18, 20 through 23 and 29 through
39 have definitions for tape drives without attached loaders. The remaining
parameters are always zero.
All parameters are one byte long. Each parameter is either zero to indicate the
corresponding condition has not occurred or one to indicate that the
corresponding condition has occurred. All log parameters are cleared when
the log is read. The Log is also cleared at power on, on a reset condition and
by a
Log Select command. Specific flags may be cleared when corrective action
has removed the condition that caused the flag to be set.
The supported parameters are as follows:
Parameter Description Type
1 Read Warning Warning
2 Write Warning Warning
3 Hard Error Warning
4 Media Critical
5 Read Failure Critical
6 Write Failure Critical
7 Media Life Warning
8 Not Data Grade Warning
9 Write-Protect Critical
10 No Removal Information
11 Cleaning Media Information
12 Unsupported Format Information
13 Recoverable Snapped Tape Critical
14 Unrecoverable Snapped Tape Critical
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