Bacula-users

Re: [Bacula-users] concurrent jobs on the same storage

2010-02-24 14:21:14
Subject: Re: [Bacula-users] concurrent jobs on the same storage
From: Phil Stracchino <alaric AT metrocast DOT net>
To: bacula-users AT lists.sourceforge DOT net
Date: Wed, 24 Feb 2010 14:18:30 -0500
On 02/24/10 08:07, Silver Salonen wrote:
> BTW, this part is very obscure in the manual:
> "if you want two different jobs to run simultaneously backing up the same 
> Client to the same Storage device, they will run concurrently only if you 
> have 
> set Maximum Concurrent Jobs greater than one in the Director resource, the 
> Client resource, and the Storage resource in bacula-dir.conf."
> 
> Does it means, that if the limits are 20 everywhere and theres just 2 jobs 
> trying to run concurrently, the 2nd job will be waiting, because SD's 
> concurrent jobs' limit is not GREATER (ie. >20) than the limit is elsewhere? 
> That doesn't make any sense..

Indeed, it wouldn't make any sense.  Fortunately, that's not what it
means.  What it means is that if you want to run N jobs in parallel, you
need every involved resource (Director, Client, and Storage) to have
Maximum Concurrent Jobs set to at least N.  Preferably at least N+1, to
allow console sessions to communicate with the daemons while the jobs
are running.

I believe you are mis-parsing the sentence.  Read it as "... only if you
have set Maximum Concurrent Jobs greater than [NUMERAL 1] in the..."


-- 
  Phil Stracchino, CDK#2     DoD#299792458     ICBM: 43.5607, -71.355
  alaric AT caerllewys DOT net   alaric AT metrocast DOT net   phil AT 
co.ordinate DOT org
         Renaissance Man, Unix ronin, Perl hacker, Free Stater
                 It's not the years, it's the mileage.

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