[PVE-User] Ridiculous Live snapshot times with ceph
lindsay.mathieson at gmail.com
Tue Dec 2 03:34:40 CET 2014
nb. Starting the snapshot restore killed the running vm
On 2 December 2014 at 12:32, Lindsay Mathieson
<lindsay.mathieson at gmail.com> wrote:
> Taking/Restoring live snapshots (test windows VM) is taking a
> ridiculous amount of time - unusably so.
> With images hosted on our NAS (NFS) or on gluster, snapshots take
> around 30 seconds to take and/or restore.
> With ceph:
> - 9 *minutes* to take
> - The restore has take *20 minutes* to get to 34%
> And it generating iowait's of around 15%
> Same hardware and VM's as previous tests, just different underlying storage.
> Snapshots of a shutdown VM are near instant.
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