(This is the second post of "Volume data error". I am stuck trying to 
figure this out.)

Hello mailinglist!

I am happily running bacula 1.36.2 on debian sarge for two years now.
One client is a Windows 2000 MVS NT 5.0.2195. I am getting the following
errors during a restore job to create a monthly snapshot of its backup.
The job worked well until this month.

What is going wrong? Can it be similar to this one:
http://www.mail-archive.com/bacula-users@lists.sourceforge.net/msg20622.html

The following facts are of interest:
- Error is always the same (same address, checksums and block), although
the volume can be different and there have been Full backups in between
tries.
- The backup is successful
- Other large restore jobs work well from the same disk
- No I/O errors on either FD or SD, scandisk shows no errors on client
- Same error when running 'restore all' or bextract
- The restore client FD is on the server
- Communications run over stunnel and filesets are GZIPped
- Storage is a file on a md RAID1
- Disks are two Maxtor 6B300S0
- Controller is a Silicon Image, Inc. SiI 3114 [SATALink/SATARaid]

The error in bacula:
13-Apr 17:46 SERVER-sd: CLIENT-snapshot.2007-04-13_17.46.00 Error:
block.c:304 Volume data error at 0:383349411! Block checksum mismatch in
block 5715: calc=4d849bb9 blk=5b9137bf

The error with bextract -p and the most recent bootstrap:
13-Apr 18:27 bextract: Ready to read from volume
"CLIENT-backup-2006-06-26" on device /opt/bacula1/CLIENT.
13-Apr 18:27 bextract: bextract Error: block.c:304 Volume data error at
0:383349411! Block checksum mismatch in block 5715: calc=4d849bb9
blk=5b9137bf
13-Apr 18:30 bextract: End of Volume at file 2 on device
/opt/bacula1/CLIENT, Volume "CLIENT-backup-2006-06-26"
13-Apr 18:30 bextract: End of all volumes.
13-Apr 18:30 bextract: bextract Error: 39 block read errors not printed.
4158 files restored.

An upgrade to debian etch is imminent, along with bacula 2.0.3. If this
is a bug or missing feature in this older version, a hint is appreciated
to get my partner pull the switch.

The restore job:
Job {
    Name = CLIENT-snapshot
    Type = Restore
    Client = SERVER-fd
    Fileset = CLIENT-set
    Storage = CLIENT-storage
    Schedule = CLIENT-snapshot-schedule
    Priority = 8
    Pool = Default
    Messages = Standard
    Where = /tmp/CLIENT-snapshot
    Bootstrap = "/var/lib/bacula/CLIENT.bsr"
    ClientRunAfterJob = "/etc/bacula/CLIENT-snapshot"
}

The backup job:
Job {
    Name = CLIENT-backup
    Client = CLIENT-fd
    FileSet = CLIENT-set
    Storage = CLIENT-storage
    Write Bootstrap = "/var/lib/bacula/CLIENT.bsr"
    Type = Backup
    Level = Incremental
    Schedule = "weekly-cycle1"
    Messages = Standard
    Pool = Default
    Priority = 6
}

Help is appreciated.

Best regards,
Johan

-- 
Johan Ehnberg

Email: [EMAIL PROTECTED]
GSM:   +358503209688
WWW:   http://www.ehnberg.net/johan/

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