What you've hit on is something I've noted too... I'm thinking it would be
a nice tweak/enhancement to bacula if the pruning function was disabled on
restore jobs. Another case that could trigger it might be just restoring
from your oldest backup.
I've no idea how simple this change might be, though. It seems rather
counter intuitive for bacula to try to prune something at the end of a
restore job (successful or failed) so it may be a bigger project than
adding a simple if statement... Has anybody dug into that part of the code?
Bob
> From: Craig Miskell <craig.misk...@opus.co.nz>
> Subject: [Bacula-users] bscan, file retention, and pruning
> To: bacula-users <bacula-users@lists.sourceforge.net>
> Message-ID: <4ce45109.4010...@opus.co.nz>
> Content-Type: text/plain; charset=ISO-8859-1
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hi,
> So I have just seen a case where an old tape with a job that had it's
> file
> records pruned by the File Retention was bscan'd to get the records back into
> the database.
>
> The operator then tried to run a restore, but had managed to leave the tape
> drive in an inconsistent state (unmounted, with the tape in it, so mtx had a
> hernia), and the Restore job failed. That's unfortunate, but it happens, and
> isn't the real problem. When the job failed and finished, the File Retention
> period kicked in, and the bscan'd records were purged.
>
> This is somewhat annoying, and means we have to bscan again (4 hours+). In
> the
> general case of a bscan and a single successful restore, it's pretty much ok.
> But in case of a failure of the restore, or if we find we have to do more than
> one restore (the user decides they need more files after the first batch),
> this
> is a real pain.
>
> The somewhat crude approach is to raise File Retention on the client to a big
> enough period to cover back to when the tape was written, while going through
> the bscan/restore process, and setting it back to normal afterwards.
>
> Is there a better way? I'm thinking of something like marking the job as
> not-pruneable after the bscan and while doing restores, but I'm open to any
> suggestions.
>
> Thanks,
>
> - --
> Craig Miskell
> Senior Systems Administrator
> Opus International Consultants
> Phone: +64 4 471 7209
> I think we agree, the past is over
> - -George W Bush
>
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