Thorsten,

There is another thread discussing the same issue.  Could you follow the
suggestions there (confirm there are indeed two identical pool files)?

Thanks,
Craig

On Tue, Oct 30, 2018 at 12:54 AM Thorsten Peters <
thorsten.pet...@physik.tu-darmstadt.de> wrote:

> Dear all,
>
> I've encountered this same error message several times now.
>
> In my case setting the log level to 5 helped to trace the error back to
> several files which seem to have duplicates. The error message always
> reads something like:
> tarExtract: Botch - got multiple pool file matches
> tarExtract: bpc_poolWrite_write: got 2 matching files for digest
> d2734b9512114c9e6687a54c7b4f7a50
>
> This seems to be the same problem as mentioned in the recent thread
> "Backup failure due to two specific files".
> In my case here, when a full backup is running it never comes to an end
> and then starts all over again. If it is an incremental backup, however,
> everything is fine and the backup completes.
>
> Strangely, this error suddenly shows up for files that have been on the
> hosts for ages. I already tried to manually remove the problematic files
> from a host, after which the full backups succeed again, but around a
> week later other files suddenly start having the same problem.
>
> This first happened a while ago with one host, but recently several
> other hosts started having the same problems on Windows 7, 10, and
> Server 2008 and it is becoming a serious issue.
>
> So far I helped myself by increasing the full backup period of the hosts
> such that only incremental backups are currently running - but this is
> obviously not a good solution.
>
> I'm using backuppc 4.2.1, samba version 4.3.11-Ubuntu, and tar (GNU tar)
> 1.28.
>
> Best regards,
> Thorsten
>
>
> On 30-Oct-18 12:51 AM, Craig Barratt via BackupPC-users wrote:
> > You could look at the "Errors" display option in the host summary web
> > page, which should make it easier to find an unexpected message.  It is
> > likely close to the end of the file, before any cleanup is done.
> >
> > You could also email me the XferLOG file.
> >
> > Craig
> >
> > On Mon, Oct 29, 2018 at 4:44 PM Jaime Fenton
> > <jaime.fen...@animallogic.ca <mailto:jaime.fen...@animallogic.ca>>
> wrote:
> >
> >     Would you be able to specify what error I would be looking for in
> >     the log file that could narrow that down?____
> >
> >     __ __
> >
> >     Thanks,____
> >
> >     Jaime____
> >
> >     __ __
> >
> >     *From:*Craig Barratt via BackupPC-users
> >     [mailto:backuppc-users@lists.sourceforge.net
> >     <mailto:backuppc-users@lists.sourceforge.net>]
> >     *Sent:* Monday, October 29, 2018 4:31 PM
> >     *To:* General list for user discussion, questions and support
> >     <backuppc-users@lists.sourceforge.net
> >     <mailto:backuppc-users@lists.sourceforge.net>>
> >     *Cc:* Craig Barratt <cbarr...@users.sourceforge.net
> >     <mailto:cbarr...@users.sourceforge.net>>
> >     *Subject:* Re: [BackupPC-users] Backup Error not encountered
> before____
> >
> >     __ __
> >
> >     It means BackupPC_tarExtract encountered a fatal error, and exited
> >     with status 1.  There should be an error message in the XferLOG
> >     file, but you should also look in the client or main BackupPC LOG
> >     file.____
> >
> >     __ __
> >
> >     Craig____
> >
> >     __ __
> >
> >     On Mon, Oct 29, 2018 at 4:26 PM Jaime Fenton
> >     <jaime.fen...@animallogic.ca <mailto:jaime.fen...@animallogic.ca>>
> >     wrote:____
> >
> >         Hi there all,____
> >
> >         ____
> >
> >         Has anyone seen this error before: ____
> >
> >         ____
> >
> >         backup failed (BackupPC_tarExtract exited with fail status 256)
> >
> >         Does anyone know what fail status 256 refers to?____
> >
> >         ____
> >
> >         I’m using BackupPC 4.2.1 with Samba 4.7.1 and backing up a
> >         windows 7 machine.____
> >
> >         ____
> >
> >         Thanks,____
> >
> >         Jaime ____
> >
> >         ____
> >
> >         --
> >         Jaime Fenton
> >         Support Engineer
> >
> >         T: +1 604 398 4800 (main)
> >         D: +1 604 398 4813 (direct)
> >         E: jaime.fen...@animallogic.ca <mailto:
> jaime.fen...@animallogic.ca>
> >
> >         840 Cambie Street
> >         Vancouver, BC V6B 2P6
> >         CANADA
> >
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> >
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> >
> >         www.animallogic.com <http://www.animallogic.com>
> >
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