Hi,

01.05.2008 03:19, Thomas Krwawecz III wrote:
> Are you sure?

I think John is sure :-)

> I just found this in the manual while configuring director:
> 
> http://www.bacula.org/en/rel-manual/Configuring_Director.html
> 
> ---------------------
> Maximum Concurrent Jobs = <number>
> 
> Please note that the Volume format becomes much more complicated with 
> multiple simultaneous jobs, consequently, restores can take much longer if 
> Bacula must sort through interleaved volume blocks from multiple 
> simultaneous jobs. This can be avoided by having each simultaneously running 
> job write to a different volume or by using data spooling, which will first 
> spool the data to disk simultaneously, then write each spool file to the 
> volume in sequence.
> ---------------------

The best approach is to use spooling when running jobs concurrently.

Arno

> 
> 
> Thomas Krwawecz III
> --
> Blue Gravity Communications, Inc.
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> 
> 
> ----- Original Message ----- 
> From: "John Drescher" <drescherjm AT gmail DOT com>
> To: "Thomas Krwawecz III" <tom AT bluegravity DOT com>
> Cc: <Bacula-users AT lists.sourceforge DOT net>
> Sent: Wednesday, April 30, 2008 3:40 PM
> Subject: Re: [Bacula-users] Migration from Arkeia, Other Questions
> 
> 
>>>  One thing I'm having a hard time understanding. Can jobs run 
>>> concurrently
>>>  (backup 25 servers at a time) to the same volume?
>> Yes. You set this with the maximum concurrent jobs setting. Note you
>> may need to set this in 5 or more places in your configs depending on
>> the level of concurrency you want.
>>
>>> Or is it suggested that
>>>  each job/client backup to its own volume?
>>>
>> Its better to not do that.
>>
>> John
>>
> 
> 
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-- 
Arno Lehmann
IT-Service Lehmann
www.its-lehmann.de

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