Hi Ilya, that worked for me and actually pointed out that one of my collegues currently had the rbd pool locally mounted via fuse-rbd, which obviously locks all images in this pool. Problem solved! Thanks! Regards, Christian Am 29.07.2015 um 11:48 schrieb Ilya Dryomov: > On Wed, Jul 29, 2015 at 11:30 AM, Christian Eichelmann > <christian.eichelmann@xxxxxxxx> wrote: >> Hi all, >> >> I am trying to remove several rbd images from the cluster. >> Unfortunately, that doesn't work: >> >> $ rbd info foo >> rbd image 'foo': >> size 1024 GB in 262144 objects >> order 22 (4096 kB objects) >> block_name_prefix: rb.0.919443.238e1f29 >> format: 1 >> >> >> $ rbd rm foo >> 2015-07-29 10:25:01.438296 7f868d330760 -1 librbd: image has watchers - >> not removing >> Removing image: 0% complete...failed. >> rbd: error: image still has watchers >> This means the image is still open or the client using it crashed. Try >> again after closing/unmapping it or waiting 30s for the crashed client >> to timeout. >> >> $ rados -p rbd listwatchers foo >> error listing watchers rbd/foo: (2) No such file or directory > > For a format 1 image, you need to do > > $ rados -p rbd listwatchers foo.rbd > > "rbd status" command was recently introduced to abstract this, but it's > not in 0.87. > >> >> Well, that is quite frustrating. The image was mapped on one host, where >> I was unmapping it. What do I have to do to get rid of it? > > Did you unmap the image? What is the output of "rbd showmapped" on the > host you had it mapped? Is there anything rbd or ceph related in dmesg on > that host? > > Thanks, > > Ilya > -- 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