Re: [Bacula-users] bacula restore -> Volume data error

>>>>> On Wed, 2 Dec 2009 13:18:00 +0100, Radim Roska said:
> 
> Hello,
> 
> I still have problem I mentioned in previous email. I've checked one random
> file that fails to be restored: db_mysql_dumps_1123-2009.tar.gz
> 
> -rw-r--r-- 1 root root 252444672 2009-11-23 02:02
> /tmp/bacula-restore/var/db_backups/db_mysql_dumps_1123-2009.tar.gz
> -rw-r--r-- 1 root root 281037550 2009-11-23 02:02
> /var/db_backups/db_mysql_dumps_1123-2009.tar.gz
> 
> and the file is obviously backed up not complete. So restoration process
> fails ( tar xfv on incomplete archive ->
> tar: Unexpected EOF in archive
> tar: Error is not recoverable: exiting now
> )
> 
> 01-Dec 23:17 host-sd JobId 343: Ready to read from volume "Volumes0097" on
> device "FileStorage" (/backups/).
> 01-Dec 23:17 host-sd JobId 343: Forward spacing Volume "Volumes0097" to
> file:block 0:198.
> 01-Dec 23:25 host-sd JobId 343: Error: block.c:318 Volume data error at
> 8:3859489557!
> Block checksum mismatch in block=3D592437 len=3D64512: calc=3Dedab1d9b
> blk=3D820517c2
> 01-Dec 23:24 client-fd JobId 343: Error: attribs.c:421 File size of restore=
> d
> file /home/tmp/var/db_backups/db_mysql_dumps_1123-2009.tar.gz not correct.
> Original 281037550, restored 252444672.
> 
> do you have idea what could be reason for this ? As I said hdd is fine.

Was Bacula running with spooling enabled?  If so, then the spool disk might
have been faulty.

Was Bacula running multiple concurrent jobs?  There were bugs with that in
some versions of Bacula.

Have you tried something like smartctl (from smartmontools) to see if the
drive has recorded any errors in the past?

__Martin

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