Bacula-users

Re: [Bacula-users] disk based backup, interleaving pros/cons?

2010-02-26 12:21:22
Subject: Re: [Bacula-users] disk based backup, interleaving pros/cons?
From: Josh Fisher <jfisher AT pvct DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Fri, 26 Feb 2010 12:18:23 -0500
On 2/26/2010 11:32 AM, Joseph Dickson wrote:
>
> Greetings..
>
> I’m using completely disk based backup, with a custom autochanger 
> script. When I initially set this up, I set the maximum job 
> concurrency on each of my disk devices to 1, so that Bacula would be 
> forced to only write one job to any given volume at any given time.
>
> I’m just wondering, now that I’ve done that, is there any REAL 
> advantage for me in not allowing Bacula to interleave on a disk based 
> volume? Does it make the on-volume format a lot simpler?
>

Interleaving makes a restore using those volumes slower because it has 
to read a lot of blocks of data that aren't related to the client being 
restored.

> Joe
>

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