Re: A question about volumeRetention

I posted a link to it on the the list a couple of days ago.

https://drive.google.com/file/d/1WOFIjgZMx-XL2Jv7FqGupnjctLpUEhLG/view?usp=drivesdk

-Chris-

On Wed, 2 Oct 2024, 13:29 Mehrdad Ravanbod, <[email protected]>
wrote:

> 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]> 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]
>>    [email protected]
>>    Landline: +1.603.293.8485
>>    Mobile:   +1.603.998.6958
>>
>>
>>
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> -Chris-
>
>
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