Hi,

23.06.2007 02:03,, Kyle Marsh wrote::
> Hello again all,
> 
> I've tried looking in the manual for help, but I've found that while
> the manual is fairly comprehensive, it's not remarkably accessible;

Quite true, unfortunately...

> This says nothing about how they interact with volumes, but to me
> suggests that each client's backup will be counted as a job.

It's really that simple, yes. Whatever is run by Bacula is a job, and 
these jobs are the same stuff you put onto volumes (Some jobs don't 
write data to volumes, though...) and count.

>  My
> question then becomes: when I want to add more clients to the example
> on the Automated Disk Backup page, how do I need to modify the
> configuration files given?  Do I just need to add new Client and Job
> stanzas to each, or do I need to tweak the values in the Pool stanzas
> to reflect the number of clients (a simple multiplication)?

You can adapt the "Maximum Volume Jobs" setting, but I wouldn't 
recommend that. Just imagine one day, one of your jobs is *not* run - 
your whole setup is mixed up.

Better, IMO, is to rely on volume use times. Chose these so that each 
volume is considered closed before the next turn of jobs start. For 
example, when doing jobs daily at the same time, a setting of about 23 
hours would be fine.

Personally, I prefer not bothering with these settings too much. 
Instead, I pre-determine how much space I will need (or have :-) and 
set up the pools with volumes of limited size and a maximum number.

This has three advantages: I can control how much space is used, and I 
don't have to worry about extra jobs, long run times, or jobs not 
started. Also, Bacula up to a recent version worked much better with 
files of limited size, and bay controling the volume file size I can 
keep the volumes easily movable, like on DVD or FAT-formatted disks.

Arno

-- 
Arno Lehmann
IT-Service Lehmann
www.its-lehmann.de

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