I've never properly understood the scratch pool concept and i never use it. I use disc volumes so there seems no reason to return an expired volume to a scratch pool. I let Bacula expire and truncate them and create new volumes as needed. Every so often i use a script to delete the purged volumes from disc. Maybe it's different for tapes.
On Tue, 1 Oct 2024, 15:41 Phil Stracchino, <ph...@caerllewys.net> wrote: > On 10/1/24 03:48, Mehrdad R. wrote: > > Hi everyone > > I am new t Bacula, and I have problem understanding some concepts, one > > of them is the idea of volumes, how they are created and > > VolumeRetention > > I do understand that it is from the backup-to-tape world, and it is > > basical a representation of a tape, right?? > > First of all, i probably should mention that i am backing up to disk, > > not to tape, anyways i thought that Volume retention tells Bacula how > > long to use a Volume and when to create a new one, i.e a > > VolumeRetention of 6 days means Bacula will create a new volume file > > to use very 6 days > > > > But this does not seem to be the case, from what i have seen in my > > tests. So if I want a new volume to be created every 7 days for weekly > > backups(one full, 6 increments) the only directive to use is "Volume > > Use Duration" like "Volume Use Duration=6 days 20 hours"?? > > What happens to the previous volume, will restore still work as it > should?? > > > That is absolutely the way to do it. Each volume will be marked Used > when its Use Duration runs out. If there is no appendable volume (all > are Used) when a job starts, Bacula will create a new one. The Used > volumes will remain present for restores until you clean them up. The > typical approach is to use Retention settings to control how long the > backups are kept active, then move the volumes into the Scratch pool > when they are purged or all jobs on them have been pruned. From there > you can either delete them, or truncate and Recycle them. > > > -- > Phil Stracchino > Fenian House Publishing > ph...@caerllewys.net > p...@co.ordinate.org > Landline: +1.603.293.8485 > Mobile: +1.603.998.6958 > > > > _______________________________________________ > Bacula-users mailing list > Bacula-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bacula-users > -Chris-
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