[Savannah-hackers-public] Re: [gnu.org #499737] Savannah backup strategy

[Sylvain Beucler]

On Thu, Nov 12, 2009 at 12:41:38AM +0100, Sylvain Beucler wrote:
> On Tue, Nov 10, 2009 at 11:19:29AM -0500, Daniel Clark via RT wrote:
> > > [beuc - Sat Oct 31 18:06:20 2009]:
> > > 
> > > Hi,
> > > 
> > > I'd like to start a discussion about the Savannah backup.
> > > 
> > > Currently Savannah2004 is a single filesystem that is rsync'd in a
> > > single pass. That synchro then goes to magnetic tapes, and some of
> > > them are stored forever.  (at least that's what I understand)
> > > 
> > > Since we're moving to Xen, the data are going to be split in multiple
> > > LVs. How do you see the new backup setup? Some DomUs are external and
> > > be directly accessed through the network, but some others are
> > > internal.
> > > 
> > > (Currently I implemented a backup from savannah-backup.gnu.org but
> > > there's no backup history.  As previously mentioned it's based on LVM
> > > snapshots, and it done per-domU/VServer rather than in single-pass).
> > 
> > Your plan to get stuff to savannah-backup via lvm snapshots on the
> > savannah dom0 makes sense to us.
> > 
> > We would suggest that we then backup only savannah-backup, not savannah
> > directly, to our tape system - that way the transition from savannah to
> > cloud9 should be nearly unnoticeable to us, and we won't be hitting
> > production savannah disk for backups more then we need to. 
> > 
> > Does that sound good to you?
> 
> That sounds good.
> 
> Currently the backup is done at 12:00GMT and needs around 1h to work -
> we should try to make this backup and your backup at different times.
> 
> Currently the data is in /mnt/backup - let me know if that's a
> problem.
> 
> I think it would be good to backup the whole system, because the DNS
> server is hosted there too.

Is the new backup currently operational?

If not, our last external backup of all downloads/audio-video/bazaar
is 1 month old, so we should raise the priority of this issue.

-- 
Sylvain