I'm resending this original poster's question because the connection between
bacula-users and the forum was down for a time. There will be three more like
this.
Silvestri wrote:
> Hi all,
>
> i have a big problem about restore data from bacula backup tapes.
>
> I have a Fujitsu-Server with Win 2003 Server like OS, and a Virtual Machine
> with Red Hat Enterprise Linux 5 (guest OS, running Bacula Server).
>
> Two months ago I upgrade RAM on my server backup; after this date, all the
> tapes used before upgrade are unreadable for bacula (no more tape label
> found), but I can use all tapes made after RAM upgrading!!!!
>
> Backup operations run in correct way, without problems.
>
> If i try tu run ./btape to obtain informations about the label, this is the
> returned error message:
>
>
> block.c:999 Read error on fd=5 at file:blk 0:0 on device "LTO-2" (/dev/st0).
> ERR=unable to allocate memory
>
>
> I've tried to upgrade buffer size and min and max blocksize with mt and
> bacula configuration files; in this case the error is:
>
> block.c:999 Read error on fd=5 at file:blk 0:0 on device "LTO-2" (/dev/st0).
> ERR=input/output error
>
>
> dmesg return this error:
>
> st0: Block limits 256 - 524288 bytes.
> st0: Failed to read 67584 byte block with 64512 byte transfer.
>
> And from /var/log/messages:
>
> grep st0 /var/log/messages
>
> Mar 5 15:16:45 vmbckte kernel: st 0:0:1:0: Attached scsi tape st0
> Mar 5 15:16:45 vmbckte kernel: st0: try direct i/o: yes (alignment 512 B)
> Mar 5 15:29:01 vmbckte kernel: st0: Block limits 256 - 524288 bytes.
> Mar 5 15:29:08 vmbckte kernel: st0: Failed to read 67584 byte block with
> 64512 byte transfer.
>
> I use a SCSI TAPE Tandberg LTO-2, Ultrium-2 tapes
>
> My idea is that, in some way, Linux and/or Bacula have problems with new
> configuration.
>
> Please Help Me! I have no more ideas....
>
> [Crying or Very sad]
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