Thanks John and the others for the reply,
On Mon, 2010-01-04 at 13:06 -0500, John Drescher wrote:
> > I'm trying to set a backup system where i'd use a single tape to store a
> > full backup on a single job.
> >
> I would never recommend such a policy because while you are backing up
> the data each day you have no valid previous backup.
Yes, of course. This is only a testing scenario.
The real scenario will have two tapes for weekly full backup and two
other tapes for monthly full backups. The idea is cycle the weekly tapes
between them and the monthly tapes also between them. I would combine it
with a daily incremental that would go to disk.
The matter is that the full backup is around 200GB, and the tapes i'm
using (LT02) are that size aprox. I want each full backup to start from
the beginning of the tape (and, thus, erase the previous one on the
tape).
I set the test pool (on test tape added to it) as:
# pool for tests
Pool {
Name = pooltest
Pool Type = Backup
AutoPrune = yes
Recycle = yes
Volume retention = 1 minute
# Use Volume Once = yes
# Volume Retention = 365 days
# Maximum Volume Jobs = 1
}
The problem is that after the first full backup, when i try to use the
same tape to run a second one over it, bacula tries to move the tape to
the end of the data and start writing from it, instead of starting from
the beginning of the tape.
How do I tell bacula to discard all the content of the tape and start
writing from the beginning? Without manually purging the volume, i mean.
Thanks,
ant
--
Anton Albajes-Eizagirre
Researcher
Edifici de l'Observatori Fabra, Muntanya del Tibidabo
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tel. +34 93 254 03 64, +34 93 254 03 66, antonae(Skype)
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