> I am using a TL2000 tape library with two drives. > The technique can't work if you only have one tape drive. > > I'm taking incremental backups Mon-Fri. > Then after the incremental backups are finished on Friday I consolidate > them into a VirtualFull backup. > > For a VirtualFull backup to work it takes the previous full backup and the > incremental backups since, and combines them to produce new tape(s) that > will be promoted to being the latest full backups. > The first incremental backups ever run for a host will auto upgrade to a > full backup so you're covered for that. > > The process seems to work well for me, after I worked around a minor > problem. > After the incremental backup is complete, tapes are left in the drives. > If tape X is in drive 1 after the incremental backups are complete and the > VirtualFull wishes to load it it into drive 0 to read from; then Bacula > can't eject the tape from drive 1 and then load it into drive 0 and > deadlocks for user intervention. > User intervention doesn't help either as the tape you want to eject is > locked by Bacula, so you end up stopping daemons and interrupting the > backup. > > The solution is to use an administrative job that is scheduled to eject all > tapes from the drives after the incremental backups are done, and before the > VirtualFull backup starts. > Perhaps I should have just raised a bug on that... > > Regards, > > ---------- > Jim Barber > DDI Health > > I see you ran into the same bug I did ( http://bugs.bacula.org/view.php?id=1657). Do you mind sharing your admin job? It would save me some scripting on my home server.
-Blake
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