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Re: [Bacula-devel] 2.4.1 not releasing tapes


On Wednesday 30 July 2008 20:14:24 Shad L. Lords wrote:
> Kern Sibbald wrote:
> > On Saturday 26 July 2008 02:14:54 Shad L. Lords wrote:
> >> What you end up with is MA3001 and MA3002 are full, MA3003 is < 50%
> >> full, MA3004 is < 1% full (catalog in my case).  I would have expected
> >> Job 4 to swap MA3003 back to Drive 0 and write the data there before
> >> starting a new volume.
> >
> > Well, what would probably clarify this is to have debug level 200 output
> > from the SD we could then see exactly what the Director was returning to
> > job 4 as a Volume or why the SD decided it could not use MA3003 for job
> > 4.
>
> I'll see if I can get this for you on 2.4.2 (assuming that it still
> happens).
>
> > Despite the fact that it did not do what you expected, it doesn't sound
> > like it really did anything wrong.  It may just be one of those cases
> > that could use optimization, and there are a lot of them, but my first
> > priority is to get it working correctly, then hopefully we can optimize
> > the swapping of drives to be a minimum, and finally in some later version
> > we can dynamically switch drives and avoid swapping altogether, which is
> > where I really want to go :-)
>
> The only concern I have is that a tape gets recycled/reused quicker then
> it should.  All the data does get backed up and is accessible but data
> that used to be on the tape is no longer available.

This doesn't make any sense to me unless you are counting on having data on a 
tape after the retention period is up, which is not a good way of running 
backups.

>
> -Shad
>
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