Description of problem: At this time is impossible move one oVirt disk from one "volume type" to another. For example: move disk from fast (nvme-based) storage to cold (hdd-based) storage. Version-Release number of selected component (if applicable): 4.1.6 Actual results: Move disk is impossible. Expected results: Move disk between Cinder "volume types" can be done from oVirt. Additional info: For now I do movements via create new disk on target pool and migrate data via cp/rsync or via qemu-img, then delete old disk. Actually this is only one critical missed feature for a year of oVirt + Ceph usage.
Created attachment 1357527 [details] How it looks on oVirt. Screenshot from oVirt. On Cinder-side this is look like this: [replicated-rbd] volume_driver = cinder.volume.drivers.rbd.RBDDriver volume_backend_name = replicated-rbd rbd_pool = replicated_rbd rbd_ceph_conf = /etc/ceph/ceph.conf rbd_flatten_volume_from_snapshot = false rbd_max_clone_depth = 5 rbd_store_chunk_size = 4 rados_connect_timeout = -1 glance_api_version = 2 rbd_user = cinder rbd_secret_uuid = e0828f39-2832-4d82-90ee-23b26fc7b20a report_discard_supported = true [ec-rbd] volume_driver = cinder.volume.drivers.rbd.RBDDriver volume_backend_name = ec-rbd rbd_pool = ec_rbd rbd_ceph_conf = /etc/ceph/ceph.conf rbd_flatten_volume_from_snapshot = false rbd_max_clone_depth = 5 rbd_store_chunk_size = 4 rados_connect_timeout = -1 glance_api_version = 2 rbd_user = cinder rbd_secret_uuid = ab3b9537-c7ee-4ffb-af47-5ae3243acf70 report_discard_supported = true [solid-rbd] volume_driver = cinder.volume.drivers.rbd.RBDDriver volume_backend_name = solid-rbd rbd_pool = solid_rbd rbd_ceph_conf = /etc/ceph/ceph.conf rbd_flatten_volume_from_snapshot = false rbd_max_clone_depth = 5 rbd_store_chunk_size = 4 rados_connect_timeout = -1 glance_api_version = 2 rbd_user = cinder rbd_secret_uuid = f420a0d4-1681-463f-ab2a-f85e216ada77 report_discard_supported = true And on ceph: [root@ceph-mon0 ceph]# ceph osd pool ls replicated_rbd ec_rbd ec_cache solid_rbd
This bug has not been marked as blocker for oVirt 4.3.0. Since we are releasing it tomorrow, January 29th, this bug has been re-targeted to 4.3.1.
This bug didn't get any attention for a while, we didn't have the capacity to make any progress. If you deeply care about it or want to work on it please assign/target accordingly
ok, closing. Please reopen if still relevant/you want to work on it.