Glance (and friends - Cinder etc) work with the RBD layer, so yeah the big 'devices' visible to Openstack are made up of many (usually 4MB) Rados objects. Cheers Mark On 25/09/15 12:13, Cory Hawkless wrote: > > Upon bolting openstack Glance onto Ceph I can see hundreds of smaller objects are created per ISO, this is a much more expected behaviour! > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com