And to add, the host running Cinder services is having Hammer 0.94.9 but the rest of them like Nova are on Jewel 10.2.3 FWIW, the rbd info for one such image looks like this: rbd image 'volume-f6ec45e2-b644-4b58-b6b5-b3a418c3c5b2': size 2048 MB in 512 objects order 22 (4096 kB objects) block_name_prefix: rbd_data.5ebf12d1934e format: 2 features: layering, striping flags: stripe unit: 4096 kB stripe count: 1 Thanks! On 10/21/16, 7:26 PM, "ceph-users on behalf of Pavan Rallabhandi" <ceph-users-bounces@xxxxxxxxxxxxxx on behalf of PRallabhandi@xxxxxxxxxxxxxxx> wrote: Both the clients and the cluster are running 10.2.3, perhaps the only difference is that the clients are on Trusty and the cluster is Xenial. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com