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<H1>[Mageia-sysadm] Backups on fiona.mageia.org</H1>
<B>Thomas Backlund</B>
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TITLE="[Mageia-sysadm] Backups on fiona.mageia.org">tmb at mageia.org
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<I>Mon Feb 20 22:23:07 CET 2012</I>
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<PRE>20.02.2012 23:07, Michael Scherer skrev:
><i> Le lundi 20 février 2012 à 20:13 +0100, nicolas vigier a écrit :
</I>>><i> Hello,
</I>>><i>
</I>>><i> We now have a server with 4TB of disks in raid 5 (3 * 2TB disks).
</I>>><i>
</I>>><i> We have a list of content to backup :
</I>>><i> <A HREF="https://wiki.mageia.org/en/Mageia_Backups">https://wiki.mageia.org/en/Mageia_Backups</A>
</I>>><i>
</I>>><i> Now we need to select the tools that we want to use for backups.
</I>>><i>
</I>>><i> I think those tools are interesting :
</I>>><i>
</I>>><i> rsnapshot - <A HREF="http://rsnapshot.org/">http://rsnapshot.org/</A> :
</I>>><i> tools based on rsync, keeping multiple backups with hardlinks between
</I>>><i> unmodified files to save space. It's simple to setup and is working
</I>>><i> well.
</I>>><i>
</I>
I use a setup like this for some servers...
>><i> bup - <A HREF="https://github.com/apenwarr/bup">https://github.com/apenwarr/bup</A>
</I>>><i> A new backup software based on git. Splitting files into chunks, so that
</I>>><i> two big files with only small differences will not take twice the space.
</I>>><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>>><i>
</I>>><i> However bup is still in alpha version, so it might not be a good idea to
</I>>><i> rely on it for important backups yet. So maybe we can use bup to backup
</I>>><i> ISOs and mirror for stable releases as all ISOs and package files have
</I>>><i> a lot of data duplication, and are already mirrored on mirrors so it's
</I>>><i> less important (but can still be useful in case of filesystem corruption
</I>>><i> on valstar). And use rsnapshots for everything else ?
</I>><i>
</I>><i> I would look at bacula.
</I>><i>
</I>
><i> I would also see if we can encrypt backup so someone accessing to fiona
</I>><i> would not automatically get everything :)
</I>><i> ( like someone taking one disk from the server ).
</I>><i>
</I>
and then loose the encryption key so we cant restore it :)
At least some parts like ldap data should be encrypted...
--
Thomas
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