Re: [Bacula-users] Please mount volume...
2010-07-16 18:41:31
> How did you determine it is corrupt? This?
> "Could not unserialize Volume"
It could not find the signature for the tape header see below for my
explanation.
>
> Here is the output for just KL0339.
>
> | 102 | KL0339 | Append | 1 | 64,512 | 0 |
> 15,552,000 | 1 | 2 | 1 | LTO2 | 0000-00-00 00:00:00 |
>
Good. There was nothing on the volume anyways.
> Not sure how to verify if /dev/nst0 is valid. This is how I originally
> determined to use /dev/st0.
>
>
> [root@monk bacula]# dmesg | grep -B 2 -A 2 "tape"
> e1000: 0000:06:07.0: e1000_probe: (PCI:66MHz:32-bit) 00:11:43:e1:0f:a1
> st: Version 20070203, fixed bufsize 32768, s/g segs 256
> st 1:0:1:0: Attached scsi tape st0
> st0: try direct i/o: yes (alignment 512 B)
> st 1:0:2:0: Attached scsi tape st1
> st1: try direct i/o: yes (alignment 512 B)
> e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
>
> Although, nst0 file does exist.
>
>
> [root@monk bacula]# ls /dev/nst0
> 0 /dev/nst0
>
The difference between /dev/st0 and /dev/nst0 is that /dev/nst0 does
not rewind after operations while /dev/st0 does. With /dev/st0 there
is a slight chance of bacula corrupting tapes if the tape was rewound
and bacula expected the tape to be positioned at the end.
Now looking at the list media result I do not think that is what
happened because list media said that bacula never wrote to this
volume. Even with that I still recommend on changing your config to
use /dev/nst0 instead.
Is it possible that there was data on this volume when you first used
it with bacula? I think somehow the label barcodes failed because
there was data on the tape but it still put it in the database.
BTW, I have to leave soon. Its 6:36 PM here and I am still at work.. I
will try to help you as much as you can before I go though.
John
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- Re: [Bacula-users] Please mount volume..., (continued)
- Re: [Bacula-users] Please mount volume..., Jeremiah D. Jester
- Re: [Bacula-users] Please mount volume..., Jeremiah D. Jester
- Re: [Bacula-users] Please mount volume..., John Drescher
- Re: [Bacula-users] Please mount volume..., Jeremiah D. Jester
- Re: [Bacula-users] Please mount volume..., John Drescher
- Re: [Bacula-users] Please mount volume..., Jeremiah D. Jester
- Re: [Bacula-users] Please mount volume..., John Drescher
- Re: [Bacula-users] Please mount volume..., Jeremiah D. Jester
- Re: [Bacula-users] Please mount volume..., John Drescher
- Re: [Bacula-users] Please mount volume..., Jeremiah D. Jester
- Re: [Bacula-users] Please mount volume...,
John Drescher <=
- Re: [Bacula-users] Please mount volume..., John Drescher
- Re: [Bacula-users] Please mount volume..., Jeremiah D. Jester
- Re: [Bacula-users] Please mount volume..., John Drescher
- Re: [Bacula-users] Please mount volume..., Jeremiah D. Jester
- Re: [Bacula-users] Please mount volume..., John Drescher
- Re: [Bacula-users] Please mount volume..., Jeremiah D. Jester
- Re: [Bacula-users] Please mount volume..., Bill Arlofski
- Re: [Bacula-users] Please mount volume..., John Drescher
- Re: [Bacula-users] Please mount volume..., Jeremiah D. Jester
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