Bacula-users

Re: [Bacula-users] Concurrent jobs with and without spooling

2012-08-08 07:55:45
Subject: Re: [Bacula-users] Concurrent jobs with and without spooling
From: John Drescher <drescherjm AT gmail DOT com>
To: Jummo <jummo AT devio DOT us>
Date: Wed, 8 Aug 2012 07:53:14 -0400
On Wed, Aug 8, 2012 at 5:20 AM, Jummo <jummo AT devio DOT us> wrote:
> Hi all,
>
> I have a question about data spooling in bacula.
>
> If a job runs and write directly to tape without spooling (e.g. a Copy Job) 
> and pool "tape_full" on storage "autochanger1" (two tape drives) and a second 
> job is started with spooling (e.g. Backup Job) and pool "tape_full" on 
> storage "autochanger1".  What happens when the second job begin despooling? 
> Will the despooling still have exculsive access described in [1] or will the 
> two jobs write concurrently to the same tape drive and mixed the backup data 
> on the volume?
>

The two jobs will write to the volume at the same time.

John

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