# [OmniOS-discuss] Auto snapshots?

Eric Sproul esproul at omniti.com
Tue Apr 23 11:20:53 EDT 2013

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    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. :)

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