On Fri, 2016-06-03 at 15:10 +0000, Dmitry Mishin wrote: > Hi, > > On 03/06/16 11:52, "users-boun...@openvz.org on behalf of Roman > Haefeli" > <users-boun...@openvz.org on behalf of reduz...@gmail.com> wrote: > > > > > Dear All, > > > > We're considering creating regular snapshots of our containers. The > > setup would include deleting the oldest snapshots. While playing > > around > > with creating and deleting snapshots, I noticed that the root.hdd > > file > > keeps growing. It seems there is no point at all in deleting old > > snapshots for the only purpose of saving disk space. Then I tried > > to > > reclaim some space back with 'vzctl compact <name>', but it wasn't > > able > > to reclaim anything. Only when I deleted all snapshots, 'vzctl > > compact > > <name>' seems to be effective. > > > > Now, my question is, will there be support in the future to reclaim > > space, even if there are snapshots? > It's a bit tricky, and that'a why there were no such plans so far. > Could you please explain why are you considering regular snapshots? > What > is a use case?
Our ploop containers have their image on an NFS store. We once had an outage of the NFS server and thus a lot of images with broken filesystems. We do have backups, but sometimes it would be easier to simply switch to a recent snapshot. Why is it considered special to have a snapshots of the - let's say - past 7 days? Roman
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