[CentOS] realtime backup

Wed Feb 18 22:09:58 UTC 2009
Ian Forde <ian at duckland.org>

On Wed, 2009-02-18 at 13:57 -0800, Scott Silva wrote:
> on 2-18-2009 1:45 PM Scott Silva spake the following:
> > on 2-18-2009 1:36 PM Ian Forde spake the following:
> >> On Wed, 2009-02-18 at 15:35 -0500, Toby Bluhm wrote:
> >>> For a speedy backup, could put the db on LVM. Then your procedure would 
> >>> be shutdown/freeze db, make lv snapshot, startup/unfreeze db, 
> >>> rsync/backup data, remove snapshot.
> >> That's what I'd suggest too, but be warned that performance on that
> >> database (if gets to be of any size to be useful) would completely
> >> suck... not unlike driving at 90mph and with the ebrake on and
> >> constantly up-and-down-shifting...
> >>
> >> 	-I
> > 
> > Would a decent alternative be a master/slave, with the dumps being done
> > from the slave. That way if the slave bogs down during the dump, it can catch
> > up afterwards. The master shouldn't slow down at all, or very minimally as it
> > is caching the slave transactions.
> > 
> One too many "would's"...

;) That would work, and I've done that (though not at the 5-minute
interval) in production environments.  But since the OP hasn't responded
to this thread with any type of follow-up detail (like the size of the
db), I'm wondering how much time I want to spend putting out possible
solutions...

	-I