Re: A question about volumeRetention

Hi

Thanks for your resonse, I am curious, what kinda script do you use to 
delete purged volumes?? Do u run it in a bacula job or outside of bacula 
a cron/Scheduler job??


Sincerely /Mehrdad

On 2024-10-02 14:04, Chris Wilkinson wrote:
> 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, <[email protected] 
> <mailto:[email protected]>> 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
>     [email protected] <mailto:[email protected]>
>     [email protected] <mailto:[email protected]>
>        Landline: +1.603.293.8485
>        Mobile:   +1.603.998.6958
>
>
>
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> -Chris-
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