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

Thomas Backlund tmb at mageia.org
Mon Feb 20 22:23:07 CET 2012

20.02.2012 23:07, Michael Scherer skrev:
> 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.

I use a setup like this for some servers...

>> 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 ).

and then loose the encryption key so we cant restore it :)

At least some parts like ldap data should be encrypted...


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