Oliver Lehmann wrote:
> Hi, 
> 
> I had a "situation" today where I needed to recover my /boot directory.
> Not bad that I have backups I thought. But then I got a restore error. I 
> already restored from time to time stuff with bacula and never got this 
> kind of error.
> I neither have bad RAM, nor is my CPU overclocked. The error is 
> reproduceable and stops at the same position everytime.
> I'm backing up to an external USB2 harddisk so It cannot be related to
> a "bad tape". But I wonder why I'm getting this error and why I got no 
> "backup failed" message in the first place. I mean - how can I now rely
> on my backups in the future? Can I make the backup more bullet prove? I
> doubt that the files where corrupted later so imho this must have happend
> when the backup was created?! 

Have you considered that perhaps your backup is corrupted?  That is, the 
  USB2 HDD that you have backed up to contains a disk error?

I would be very careful with that HDD, whatever you do, especially if 
that is your only backup of this data.

> 18-Dec 11:40 backup-dir JobId 6150: Start Restore Job 
> client-nudel-files-r.2009-12-18_11.40.22_10
> 18-Dec 11:40 backup-dir JobId 6150: Using Device "FileStorage"
> 18-Dec 11:40 backup-sd JobId 6150: Ready to read from volume "Full-0001" on 
> device "FileStorage" (/mnt/backup).
> 18-Dec 11:40 backup-sd JobId 6150: Forward spacing Volume "Full-0001" to 
> file:block 0:3792627022.
> 18-Dec 11:40 backup-sd JobId 6150: Error: block.c:318 Volume data error at 
> 0:3798755661!
> Block checksum mismatch in block=95 len=64512: calc=358ab9fd blk=d0ab37a2
> 18-Dec 11:40 backup-sd JobId 6150: Fatal error: fd_cmds.c:168 Command error 
> with FD, hanging up.
> 18-Dec 11:40 backup-dir JobId 6150: Error: Bacula backup-dir 3.0.3 
> (18Oct09): 18-Dec-2009 11:40:35
>   Build OS:               i386-portbld-freebsd8.0 freebsd 8.0-RC1
>   JobId:                  6150
>   Job:                    client-nudel-files-r.2009-12-18_11.40.22_10
>   Restore Client:         nudel-fd
>   Start time:             18-Dec-2009 11:40:24
>   End time:               18-Dec-2009 11:40:35
>   Files Expected:         2,470
>   Files Restored:         1
>   Bytes Restored:         0
>   Rate:                   0.0 KB/s
>   FD Errors:              0
>   FD termination status:  OK
>   SD termination status:  Error
>   Termination:            *** Restore Error *** 
> 
> 18-Dec 11:40 backup-dir JobId 6150: Begin pruning Jobs.
> 18-Dec 11:40 backup-dir JobId 6150: No Jobs found to prune.
> 18-Dec 11:40 backup-dir JobId 6150: Begin pruning Files.
> 18-Dec 11:40 backup-dir JobId 6150: No Files found to prune.
> 18-Dec 11:40 backup-dir JobId 6150: End auto prune.
> 
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