[Mageia-sysadm] Backups on fiona.mageia.org

[Michael Scherer]

Le lundi 20 février 2012 à 20:13 +0100, nicolas vigier a écrit :
> Hello,
> 
> We now have a server with 4TB of disks in raid 5 (3 * 2TB disks).
> 
> We have a list of content to backup :
> https://wiki.mageia.org/en/Mageia_Backups
> 
> Now we need to select the tools that we want to use for backups.
> 
> I think those tools are interesting :
> 
> rsnapshot - http://rsnapshot.org/ :
> tools based on rsync, keeping multiple backups with hardlinks between
> unmodified files to save space. It's simple to setup and is working
> well.
> 
> bup - https://github.com/apenwarr/bup
> A new backup software based on git. Splitting files into chunks, so that
> two big files with only small differences will not take twice the space.
> http://events.ccc.de/congress/2011/Fahrplan/attachments/2038_bup.pdf
> 
> However bup is still in alpha version, so it might not be a good idea to
> rely on it for important backups yet. So maybe we can use bup to backup
> ISOs and mirror for stable releases as all ISOs and package files have
> a lot of data duplication, and are already mirrored on mirrors so it's
> less important (but can still be useful in case of filesystem corruption
> on valstar). And use rsnapshots for everything else ?

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