backup rsync

[David R Bosso]

--On August 29, 2014 at 4:27:57 PM +0200 Marcus Schopen 
<lists at localguru.de> wrote:

> Hi,
>
> I'm planing to use lvm snaps and rsync for a daily disaster recovery
> backup on my master cyrus (2.4.12 Ubuntu 12.04 LTS):

Have you tested lvm snaps for this purpose yet?  When I tried to use lvm 
snapshots in this way a few years ago, it absolutely killed performance on 
the volume with the active snapshots.  Hopefully things have improved, but 
I wouldn't bet on it.

-David

>  ctl_cyrusdb -c
>  ctl_mboxlist -d > mailboxes.db.dump
>  stop cyrus
>  lvm snaps
>  start cyrus
>  rsync /var/lib/cyrus/ and /var/spool/cyrus to backup host
>  remove snaps
>
> Is there something to be aware with rsync especially
> with /var/spool/cyrus directories?
>
> Beside that the master is in master-slave replication too. In a case of
> disaster recovery - if you don't want to make the slave to the master -
> would it work out to rsync /var/lib/cyrus/ and /var/spool/cyrus from the
> slave to the master or is that not a good idea?
>
> Ciao
> Marcus
>
>
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