Try: ceph osd map <pool> <rbdname> Is that it? Jan > On 25 Sep 2015, at 15:07, Межов Игорь Александрович <megov@xxxxxxxxxx> wrote: > > Hi! > > Last week I wrote, that one PG in our Firefly stuck in degraded state with 2 replicas instead of 3 > and do not try to backfill or recovery. We try to investigate, what RBD vol's are affected. > > The working plan are inspired by Sebastian Han's snippet > (http://www.sebastien-han.fr/blog/2013/11/19/ceph-rbd-objects-placement/) > and consists of next steps: > > 1. rbd -p <pool> ls - to list all RBD volumes on the pool > 2. Get RBD prefix, corresponding the volume > 3. Get a list of objects, which belongs to our RBD volume > 4. Issue 'ceph osd map <pool> <objectname>' to get PG for object and OSD placement > > After writing some scripts we face a difficulty: running 'ceph osd map...' and getting object > placement takes about 0.5 second, so iterating all 15 millions objects will take forever. > > Is there any other way to find to what PGs the specified RBD volume are mapped, > or may be there is a much faster way to do our step 4 instead of calling 'ceph osd map' > in loop for every object. > > > Thanks! > > Megov Igor > CIO, Yuterra > _______________________________________________ > 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
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