zarb-ml/mageia-sysadm/2012-February/004231.html


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   <H1>[Mageia-sysadm] Backups on fiona.mageia.org</H1>
    <B>Michael Scherer</B> 
    <A HREF="mailto:mageia-sysadm%40mageia.org?Subject=Re%3A%20%5BMageia-sysadm%5D%20Backups%20on%20fiona.mageia.org&In-Reply-To=%3C1329772076.2206.4.camel%40liliana.cdg.redhat.com%3E"
       TITLE="[Mageia-sysadm] Backups on fiona.mageia.org">misc at zarb.org
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    <I>Mon Feb 20 22:07:56 CET 2012</I>
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<PRE>Le lundi 20 f&#233;vrier 2012 &#224; 20:13 +0100, nicolas vigier a &#233;crit :
&gt;<i> Hello,
</I>&gt;<i> 
</I>&gt;<i> We now have a server with 4TB of disks in raid 5 (3 * 2TB disks).
</I>&gt;<i> 
</I>&gt;<i> We have a list of content to backup :
</I>&gt;<i> <A HREF="https://wiki.mageia.org/en/Mageia_Backups">https://wiki.mageia.org/en/Mageia_Backups</A>
</I>&gt;<i> 
</I>&gt;<i> Now we need to select the tools that we want to use for backups.
</I>&gt;<i> 
</I>&gt;<i> I think those tools are interesting :
</I>&gt;<i> 
</I>&gt;<i> rsnapshot - <A HREF="http://rsnapshot.org/">http://rsnapshot.org/</A> :
</I>&gt;<i> tools based on rsync, keeping multiple backups with hardlinks between
</I>&gt;<i> unmodified files to save space. It's simple to setup and is working
</I>&gt;<i> well.
</I>&gt;<i> 
</I>&gt;<i> bup - <A HREF="https://github.com/apenwarr/bup">https://github.com/apenwarr/bup</A>
</I>&gt;<i> A new backup software based on git. Splitting files into chunks, so that
</I>&gt;<i> two big files with only small differences will not take twice the space.
</I>&gt;<i> <A HREF="http://events.ccc.de/congress/2011/Fahrplan/attachments/2038_bup.pdf">http://events.ccc.de/congress/2011/Fahrplan/attachments/2038_bup.pdf</A>
</I>&gt;<i> 
</I>&gt;<i> However bup is still in alpha version, so it might not be a good idea to
</I>&gt;<i> rely on it for important backups yet. So maybe we can use bup to backup
</I>&gt;<i> ISOs and mirror for stable releases as all ISOs and package files have
</I>&gt;<i> a lot of data duplication, and are already mirrored on mirrors so it's
</I>&gt;<i> less important (but can still be useful in case of filesystem corruption
</I>&gt;<i> on valstar). And use rsnapshots for everything else ?
</I>
I would look at bacula.

I would also see if we can encrypt backup so someone accessing to fiona
would not automatically get everything :)
( like someone taking one disk from the server ).

-- 
Michael Scherer

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