I do something sort of like this, but I actually have a tape set for
each week. My backup also takes two tapes. I have a retention period
of 25 days, so even in February the 1st week tape will be ready to be
recycled at the beginning of the next month. If there is no 4th Sunday,
I just mark the 4th set as used, and it then rotates to the 1st set.
After I did this I decided it was not ideal (and probably overkill), but
never bothered changing it. One alternative that I thought about is not
marking the tapes week 1, 2, etc, and just having a couple sets that I
rotate between. You could do this, and since you aren't rotating them
out of the changer, it would be quite easy. Each would have a retention
of 10 days or so (anything between 7 and 14), and bacula would just
switch between the two sets for the weekly backup. What week of the
month it would be wouldn't actually matter.
cheers,
maria
Daniel Khan wrote:
Hello List,
I am using bacula for some time now.
I now want to change the whole backup strategy a little:
I have an Autochanger with 7 tapes.
One full backup takes ~2 Tapes.
I want to use 2 x 2 tapes for a weekly backup and the remeining 3 for daily
differential/incremental backups.
Now the difficult part:
I want to put such a 2 tape set at a secure place. So the best thing would
be to run a weekly backup job which uses set 1 for week 1 and set 2 for week
2.
I think this can be done by creating 2 pools: Monthly1 and Monthly2 which
run bi-weekly each.
Now one stupied question:
Is this supposed to work:
Monthly1 runs 1st and 3rd Sunday
and
Monthly2 runs 2nd and 4th Sunday
What happens if there isn't a 4th sunday within this month?
I think I am missing something here.
Maybe anyone is kind enough to give me sume hints on this problem. Maybe the
hole strategy is dumb and there is a better and smarter way to solve this
problem.
Maybe I should only use one monthly pool and tweak the retention times so
that I only have to put one 2 tape set in place and bacula will use it no
matter which one it is?
Thanks for your help!
mit freundlichen Grüssen, | with best regards,
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