On each compute node, nova.conf has the following set under the libvirt section:
images_rbd_ceph_conf=/etc/ceph/ceph.conf, images_rbd_pool=ephemeral, images_type=rbd
On each compute node, nova.conf has the following set under the libvirt section:
images_ rbd_ceph_ conf=/etc/ ceph/ceph. conf, images_ rbd_pool= ephemeral, images_type=rbd