Hi Nico and all others who answered, After some more trying to somehow get the pgs in a working state (I've tried force_create_pg, which was putting then in creating state. But that was obviously not true, since after rebooting one of the containing osd's it went back to incomplete), I decided to save what can be saved. I've created a new pool, created a new image there, mapped the old image from the old pool and the new image from the new pool to a machine, to copy data on posix level. Unfortunately, formatting the image from the new pool hangs after some time. So it seems that the new pool is suffering from the same problem as the old pool. Which is totaly not understandable for me. Right now, it seems like Ceph is giving me no options to either save some of the still intact rbd volumes, or to create a new pool along the old one to at least enable our clients to send data to ceph again. To tell the truth, I guess that will result in the end of our ceph project (running for already 9 Monthes). Regards, Christian Am 29.12.2014 15:59, schrieb Nico Schottelius: > Hey Christian, > > Christian Eichelmann [Mon, Dec 29, 2014 at 10:56:59AM +0100]: >> [incomplete PG / RBD hanging, osd lost also not helping] > > that is very interesting to hear, because we had a similar situation > with ceph 0.80.7 and had to re-create a pool, after I deleted 3 pg > directories to allow OSDs to start after the disk filled up completly. > > So I am sorry not to being able to give you a good hint, but I am very > interested in seeing your problem solved, as it is a show stopper for > us, too. (*) > > Cheers, > > Nico > > (*) We migrated from sheepdog to gluster to ceph and so far sheepdog > seems to run much smoother. The first one is however not supported > by opennebula directly, the second one not flexible enough to host > our heterogeneous infrastructure (mixed disk sizes/amounts) - so we > are using ceph at the moment. > -- Christian Eichelmann Systemadministrator 1&1 Internet AG - IT Operations Mail & Media Advertising & Targeting Brauerstraße 48 · DE-76135 Karlsruhe Telefon: +49 721 91374-8026 christian.eichelmann@xxxxxxxx Amtsgericht Montabaur / HRB 6484 Vorstände: Henning Ahlert, Ralph Dommermuth, Matthias Ehrlich, Robert Hoffmann, Markus Huhn, Hans-Henning Kettler, Dr. Oliver Mauss, Jan Oetjen Aufsichtsratsvorsitzender: Michael Scheeren _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com