Georg Lutz wrote:
> On 2005-07-26, Phil Stracchino wrote:
>
>>
>>Well, I suppose that so long as you don't have a limited volume use
>>count or volume use window, then provided you have Use Any Volume
>>enabled and you know about how much data you're expecting to back up,
>>the output of List Volumes should be able to tell you a volume that will
>>BE ACCEPTED.
>>
>>
>
>
> Hi Phil,
>
> we have 3 different pools: montly (new tapes, archive) , weekly (4
> tapes) , daily (4 tapes).
>
> For data security reasons the tapes are changed each day. Monthly and
> weekly tapes are stored off-site. The 3 daily tapes are stored at the
> same location (but not the same room). So if the tape drive melts down
> the tape or something happens physically to the server only the last
> backup is concerned.
>
> To "enforce" the policy I set Maximum Volume Job to 2 (Backup plus
> catalog) and Accept Any Volume to no.
Hm. I don't see how having "Accept Any Volume" disabled would do
anything to enforce that policy that could not be better enforced by
carefully structuring you Volume Retention and Volume Use Duration settings.
For instance, let's assume your daily backups take eight hours to run,
and your schedule calls for re-using tapes every eight weeks, then you
could set the following in your Pools:
Volume Use Duration = 12h
Volume Retention = 55d
Recycle = yes
Recycle Oldest Volume = yes
Accept Any Volume = yes
This will give you 12 hours to write each tape, then Bacula will not
allow that tape to be written again for 55 days, so it will become
available for use again approximately 12-16 hours before the next time
it's due to be used. Do this for ALL your tapes and keep a catalog of
what is scheduled for use when, and you shouldn't have a problem.
--
Phil Stracchino [EMAIL PROTECTED]
Renaissance Man, Unix generalist, Perl hacker
Mobile: 603-216-7037 Landline: 603-886-3518
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