You can also use "rbd disk-usage <image-or-snap-spec>" to compute the usage of a snapshot. On Sun, Oct 28, 2018 at 4:39 PM Paul Emmerich <paul.emmerich@xxxxxxxx> wrote: > > "rbd diff" tells you what changed in an image since a snapshot: > > rbd diff --from-snap <snapshot-name> <pool>/<image> > > > Paul > > -- > Paul Emmerich > > Looking for help with your Ceph cluster? Contact us at https://croit.io > > croit GmbH > Freseniusstr. 31h > 81247 München > www.croit.io > Tel: +49 89 1896585 90 > > Am So., 28. Okt. 2018 um 20:38 Uhr schrieb Olivier Bonvalet > <ceph.list@xxxxxxxxx>: > > > > Hi, > > > > with Filestore, to estimate the weight of snapshot we use a simple find > > script on each OSD : > > > > nice find "$OSDROOT/$OSDDIR/current/" \ > > -type f -not -name '*_head_*' -not -name '*_snapdir_*' \ > > -printf '%P\n' > > > > Then we agregate by image prefix, and obtain an estimation of each > > snapshot weight. We use this method because we never found this > > information in Ceph tools. > > > > Now with Bluestore we can't use this script anymore. Is there an other > > way to obtain this information ? > > > > I read that we can "mount" inactive OSD with "ceph-objectstore-tool", > > but I can't shutdown OSDs for this. > > > > Thanks for any help, > > > > Olivier > > > > _______________________________________________ > > ceph-users mailing list > > ceph-users@xxxxxxxxxxxxxx > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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