On 10/26/2012 04:04 AM, Jari Fredriksson wrote:
> 08.10.2012 10:31, mayak-cq kirjoitti:
>> hi all,
>>
>> i have a bacula instance that's been running fine for a long while ...
>>
>> i was able to tweak the volume retention to keep a maximum number of
>> backups available, until, a user saved a gigantic amount of (valuable)
>> data to his disk.
>>
>> so -- i now have no appendable volumes left to backup to:
>>
>> - what is the best way to deal with this -- that is -- is there a way
>> to globally reduce the volume retention of all volumes?
>> - do i manually recycle a bunch of volumes by hand?
>>
>> many thanks
>>
>> m
> I use "Purge Oldest Volume = Yes" and it works for me. This overrides
> the retention periods, if I run out of free media. I still have 3 months
> backups always, and if this override is sometimes temporarily needed it
> is not a problem.
>

It's a good solution here and now to purge the oldest volumes.

The long term solution can differ depending on the amount of data you 
have, and how much your backup unit you have can store.

This might apply to you, but since I don't know how you backup today, it 
might not. But it assumes you have an autoloader or a storage device 
that can contain a full backup equal the same amount of data-space 
available.

Some pointers can be that you change from daily full backup to 
differential (or incremental), without limiting the amount of jobs on a 
tape (bad thing here if data gets corrupt on both server and tape). But 
set the retention period. You should make a full backup every now and 
then (like in the weekends) on a new set of tapes.
For this you'll need more tapes, and a different cycle.


cheers


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