Bacula-users

Re: [Bacula-users] Parallel copy jobs revisited

2012-06-04 10:16:03
Subject: Re: [Bacula-users] Parallel copy jobs revisited
From: Uwe Schuerkamp <uwe.schuerkamp AT nionex DOT net>
To: John Drescher <drescherjm AT gmail DOT com>
Date: Mon, 4 Jun 2012 16:11:37 +0200
On Mon, Jun 04, 2012 at 09:59:53AM -0400, John Drescher wrote:
> 
> Don't disk volumes have just about the same restrictions as a tape
> volume? Meaning you can not load more than 1 disk volume into the same
> device at a time. You also can not read or write to different parts of
> the same volume at the same time.
> 
> John

Hi John, 

first off thanks for your reply. It's it's indeed a limitation within
bacula, then why do parallel backup jobs to the same disk volume work
just fine? I really fail to grasp the difference here, maybe someone
can enlighten me? Is it the "different parts of the same volume" bit
that bites me? I assume parallel write jobs would simply be streamed
to the volume, while parallel reads aren't possible? 

All the best, Uwe 

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