Hello, have imported a RAW image to rbd 'images' pool and created a snapshot from that image...when I tried to set the protected for this snapshot, its failing with below error. == bd --pool images snap protect --snap snap a88c6600-5781-475c-8806-9723a976425c rbd: protecting snap failed: (38) Function not implemented 2016-04-13 06:47:11.879706 7f9697d4f780 -1 librbd: snap_protect: image must support layering == and an option to add as "--image-features layering", but its working with RAW foramat images.. is there issue with RAW images? How to set the features layering for RAW images? Thanks Swami _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com