On Wed, Apr 2, 2014 at 11:28 AM, Tom <tom at t0mb.net> wrote: > Hi again Ilya, > > No, no snapshots in this case. It's a brand new RBD that I've created. Is this format 1 or format 2 image? Can you paste the contents of /proc/devices and /proc/partitions somewhere? Also, can you unmap a few of those 15 images that are already mapped and try to map this one? Thanks, Ilya