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
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