Ralf Gross schrieb:
>
> I`m having a hard time finding the reason why my verify jobs are
> failing with bacula 2.4.4.
>
> This week a backup of ~10 TB data finished without errors. The backup
> job ueses one of three LTO-4 drives in a autochanger.
>
> Now the VolumeToCatalog verify job fails each time. I tried two
> different drives with the same result. The job fails not always at the
> same position or tape.
>
>
> 16-Apr 14:58 VU0EA003-sd JobId 11277: Forward spacing Volume
> "A00147L4" to file:block 0:1.
> 16-Apr 17:46 VU0EA003-sd JobId 11277: Error: block.c:318 Volume data
> error at 406:6128! Block checksum mismatch in block=26762981
> len=64512: calc=dae26793 blk=b522f8d9
>
> 17-Apr 13:55 VU0EA003-sd JobId 11292: Forward spacing Volume
> "A00141L4" to file:block 0:1.
> 17-Apr 18:35 VU0EA003-sd JobId 11292: Error: block.c:318 Volume data
> error at 657:11272! Block checksum mismatch in block=56358402
> len=64512: calc=5d582a92 blk=63befe58
>
>
>
> There are no SCSI errors in the linux syslog or errors in the changers
> system log.
>
> Any Idea what to do next? It looks like a hardware problem, but why
> does it then fail on different drives and different tapes and not at
> the same position?
Hm, I used btape with the option scanblocks with the tape where the
verify job had block checksum mismatch.
[...]
15500 blocks of 64512 bytes in file 822
End of File mark.
8243 blocks of 64512 bytes in file 823
End of File mark.
Total files=823, blocks=12749243, bytes = 822,479,100,004
But this seems not to check the the block checksum that is checked
during a verify
Is there an other bacula tool to check the block checksum?
Ralf
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