Bacula-users

Re: [Bacula-users] Slow Performance

2012-05-28 10:40:02
Subject: Re: [Bacula-users] Slow Performance
From: John Drescher <drescherjm AT gmail DOT com>
To: Graham Worley <g.worley AT bangor.ac DOT uk>, bacula-users <Bacula-users AT lists.sourceforge DOT net>
Date: Mon, 28 May 2012 10:37:23 -0400
> I've just started using Bacula having installed the RPMs from the Scientific 
> Linux distro. I'm trying to back up several machines to disk file on the 
> Bacula server and am experiencing two odd problems:
>
> i) disk volumes created by Bacula are changing their state to Error with the 
> message that they are a different size to that set in the catalog, is this 
> normal?
>

I have seen that in the past like 3 times in 10 years (around 30
thousand completed jobs) but in no way is that is not normal.  I would
look for an updated version of bacula. 5.26 is the current version

>
> ii) data throughput is really low The machines are all connected via gigabit 
> connections yet I'm seeing less than 6MBytes/s transfer to disk, more often 
> than not it is down to 2 Mbytes/s. The raid array I'm using responds at a 
> speed of about 70Mbytes/s when i test it with a dd of a few gigabyte from 
> /dev/zero. Rsync between the same hosts was very quick, generating nearly 
> 500Mbit/s of network traffic.
>
> Can any offer any suggestions?
>

Turn off software compression or run multiple simultaneous jobs from
different clients.

John

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