[OmniOS-discuss] Auto snapshots?

[Eric Sproul]

On Tue, Apr 23, 2013 at 10:56 AM, Dan Swartzendruber <dswartz at druber.com> wrote:
>
> Eric, thanks for the quick reply.  I understand things may be changing on
> the fly.  My feeling is that ZFS snaps done this way are going to be crash
> consistent, just like pulling a plug on a physical server.  I realize
> there is a chance one or more VMs will not like the result, but it is
> better than the 100% chance I have if I get a borked VM and have no backup

Correct, it is like an unscheduled power-off of the storage.  For
guests that aren't busy on disk, this is likely "good enough".

> :)  I am looking at using Veeam Backup and Replication to do periodic
> backups (and it supposedly *does* do guest FS quiescing, IIRC).  For the
> moment, I just want some kind of safety net.  I guess for the moment, I
> can just put in a cron job to run every hour and manually clean old
> entries...

...and also send some/all of them off the machine.  Snapshot != Backup.  :)

I was about to paste the link to Zetaback but Sašo beat me to it. :)