On Thu, Mar 14, 2013 at 4:09 AM, Léon Keijser <keijser@xxxxxxxxxxxx> wrote: > Hi, > > Every now and then I'm unable to unmap an RBD device: > > root@c2-backup ~ # rbd showmapped > id pool image snap device > 0 20-kowin-a 20-kowin-a-01 - /dev/rbd0 > root@c2-backup ~ # rbd unmap /dev/rbd0 > /dev/rbd0 is not an rbd device > remove failed: (22) Invalid argument > > The only solution I've found so far is rebooting the machine. This is of > course not a very nice option, so if someone knows why this occurs and > how to prevent/fix it without rebooting, I'd be grateful :) Should be fixed in a recent kernel. See: http://tracker.ceph.com/issues/2654. Alex do you know what kernel version has this fix? -sam > > Thanks! > > Léon > > _______________________________________________ > 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