Hi Pasi,

bacula supports "disk staging", but not in the way Arcserve does. Currently we 
migrate from legato networker to bacula and have had the same topic.

Staging is currently not implemented in bacula, but you can use migration jobs 
for backing up jobs from disk to tape.

It look similar as follows:
Backup Client to Bacula Disk -> normal job.
Disk to Tape -> migration job.

For migration there are several ways. You can migrate by time, (oldest job, 
volume, etc.) or PoolOccupancy.
PoolOccupancy did not work in Version 2.2.8 because of an bug, therefore we use 
pooltime for migration. Any job older tree days will be migrated to tape. 
Volumes on disk older fife days will be purged. Tape will be purged after 30 
days. Migration job runs every six hours.

This configuration works in our environment for nearly three months.

Greetings
Sebastian


> -----Ursprüngliche Nachricht-----
> Von: bacula-users-bounces AT lists.sourceforge DOT net 
> [mailto:bacula-users-bounces AT lists.sourceforge DOT net] Im 
> Auftrag von Pasi Kärkkäinen
> Gesendet: Donnerstag, 22. Mai 2008 15:32
> An: bacula-users AT lists.sourceforge DOT net
> Betreff: [Bacula-users] Replacing Arcserve with Bacula,disk 
> staging/spooling configuration
> 
> 
> Hello list!
> 
> I'm currently running Arcserve B2D2T (Backup to disk to tape) 
> configuration, but I'm now in the process of migrating that 
> setup to Bacula. 
> 
> I've been reading Bacula manuals about spooling and other 
> options, but I'm not totally sure if Bacula supports "disk 
> staging" (as Arcserve calls it) in the same way.
> 
> Basicly I'd like to backup each client to hard disk, and then 
> copy the backups from the hard disk to tape autochanger in 
> the end of the job. 
> 
> Arcserve allows restores being made from the disk.. if the 
> backup is still being held on disk.. if not, then from the tape.
> 
> Backups older than N days are being removed automatically 
> from the disk by Arcserve.
> 
> Comments and tips about Bacula configuration would help a lot! 
> 
> Thanks!
> 
> -- Pasi
> 
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