tags 670333 + unreproducible
quit
Hi Giuseppe,
Giuseppe Sacco wrote:
>> Giuseppe Sacco wrote:
>>> today our backup did not complete successfully because of this error I
>>> found with dmesg:
>>>
>>> ------------------------------------------------------------------------------
>>> [16186645.419007] st0: Sense Key : Medium Error [deferred]
>>> [16186645.419014] Info fld=0x2800
>>> [16186645.419016] st0: Add. Sense: Write error
>>> [16186783.801594] INFO: task tar:2574 blocked for more than 120 seconds.
[...]
> A second try completed without errors. So, without ejecting the tape
> after the backup failed, the tape has been rewinded and the backup
> started again and completed without errors.
I can see a few things wrong here:
- saying "Add. Sense" for the additional sense code is a bit cryptic
- "Medium Error" (the official name for SCSI sense #3) is also
cryptic. My favorite quick reference, Wikipedia, tells me it
Indicates the command terminated with a non-recovered error
condition, probably caused by a flaw in the medium or an error
in the recorded data.
Perhaps it would be useful to provide documentation somewhere
memorable fleshing out what that "probably" means.
- write error during exit trips "task blocked" message. Avoidable?
Let's keep this open to track that third question. Any ideas for the
documentation part?
Thanks,
Jonathan
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