Frank Altpeter <frank.altpe...@gmail.com> wrote on 22.06.2009 10:44:53:
> Frank Altpeter <frank.altpe...@gmail.com>
> 22.06.2009 10:44
>
> An
>
> bacula-users@lists.sourceforge.net
>
> Kopie
>
> Thema
>
> [Bacula-users] How to prevent two clients to run at the same time
>
> Hi list,
>
> I'm running a bacula server with almost 100 clients on it. For
> historical and data saving reasons, each client has its own block of
> Client, Job, Storage, and Pool definition (based on client's
> fqdn).Data is saved to disk, and then, by external scripts, rotated to
> tape. According the current configuration, all clients are started via
> one Schedule on the same time and bacula is managing the run based on
> a MaximumConcurrentJobs set to 12, which runs fine so far.
> But, there's two clients, which I need to configure in a way, that
> it's impossible for them to run simultaneously. The one client is a
> vmware host system, and the other client is a vmware guest system on
> this host. And sometimes it happens that they both run in parallel
> which takes down performance on both systems.
> Because of the current structure, I'm not able to just define a
> dedicated Pool resource for these two clients and put a
> MaximumConcurrentJobs=1 into it (which AFAIK would be the easiest
> solution for default environments). So I'm searching for alternative
> solutions for my problem, which is not "start client a on 16:00 and
> client b 12 hours later" :)
>
> Any hints for funny solutions welcome :)
>
> Besides that, wouldn't it a good point to have the
> MaximumConcurrentJobs config option also for the Schedule resource ?
>
You could just give one server a lower priority. It would then run after
all other Jobs. The default is 10 (11 for the catalog), so Priority = 12
in the Job Resource will make it run later.
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