Hello,

On 6/29/2006 12:18 AM, Jo Rhett wrote:
> Is there any possible way for Bacula to randomize the full backups  
> across
> the week, or otherwise spread them out?

This is something I would plan to do by a python job start event (I tend 
to send these ideas to the list about once a month ;-)

It would be necessary to be able to modify the job level, storage, pool 
and probably lots of other stuff from a python event when a job is 
started. Schedule all your jobs to run as, for example, differentials.

In the python event, analyze how long ago the last full / differential 
backup is and set the job parameters accordingly.

If you worry about other jobs running in parallel, you can check how 
many jobs are already running, perhaps only counting those at 
differential and full level.

If you need to make sure your jobs don't block later, more important 
jobs, you need some more details, but I think with some clever scripting 
it might be possible... perhaps modifying the schedules on-the-fly or 
even abandoning Baculas schedule and creating your own scheduling based 
on clients amount of data and necessary backup levels.

Personally, I'm not in need of such features, but I guess I'd like to 
play around with such things once the python events allow it...

> Like most large facilities, we're backing up a terabytes every night.
> Trying to juggle which systems get full backups on which day of the week
> has become almost a full time job.
> 
> Amanda did a neat scheduling trick of balancing the full backups  
> around, so
> that the amount of data backed up each night was roughly the same, while
> also making sure that a full was done in a given time period.  Any  
> possible
> way to do this in Bacula?
> 
> If not, want to give me pointers to the right code segments?  Because we
> have *LOTS* of data and *VERY LITTLE* care about exactly when the full
> backups are done.  A scheduler like Amandas is going to be crucial  
> for us.

Extend Baculas python interface and I'll start playing arond with it :-)

Arno


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IT-Service Lehmann                    [EMAIL PROTECTED]
Arno Lehmann                  http://www.its-lehmann.de

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