On Thu, Jul 16, 2009 at 05:18:24AM -0700, Kevin Keane wrote:
> Graham Keeling wrote:
> > On Thu, Jul 16, 2009 at 12:09:32PM +0200, Marcin Radczuk wrote:
> >   
> >> I'm trying use bacula more than a month. I have more than 2000 hosts to 
> >> backup. We want to do everyday backup. One Full backup per month and 
> >> Incrementals every other day. Now I have 10 bacula-sd and one bacula-dir 
> >> and I was add only 300 hosts to schedule. I automated hosts add to 
> >> bacula-dir, and I have one config file per host. Every host have his own 
> >> Job, Pool and Fileset in his config. Problem is that bacula can do one 
> >> backup per bacula-sd. I use Maximum Concurrent Jobs = 900 but I have one 
> >> Pool per host and bacula can't run another job on bacula-sd if other job 
> >> is running. Is that mean that I must do one pool per sd? We use Linux 
> >> machine (Debian Eatch/Lenny) on SD, FD and DIR. How can I boost bacula 
> >> performance?
> >>     
> >
> > I had similar problems. I had to define 'Maximum Concurrent Jobs' in many
> > places to get it to work.
> >
> > Currently, I have it like this:
> > bacula-dir.conf:
> >     Director { Maximum Concurrent Jobs = 20; }
> >     Storage { Maximum Concurrent Jobs = 20; }
> >     Client { Maximum Concurrent Jobs = 20; }
> >     Job { Maximum Concurrent Jobs = 1; }
> > bacula-fd.conf:
> >     FileDaemon { Maximum Concurrent Jobs = 20; }
> > bacula-sd.conf:
> >     Storage { Maximum Concurrent Jobs = 20; }
> >   
> Not only that - but it may actually not be what you want. When you allow 
> an SD to have multiple concurrent jobs, the data from these jobs gets 
> interleaved on the volume. As a result, restores are slower, and you may 
> also end up having a 20 incremental backup jobs each spread out over the 
> same several volumes. That makes recycling difficult - even more so when 
> some of the backup jobs are full and some are incrementals. The bacula 
> manual has some additional considerations at 
> http://www.bacula.org/en/rel-manual/Basic_Volume_Management.html#SECTION002620000000000000000

I have one job per volume set up, and multiple devices as explained in the
link that you gave.


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