We should enable image_conversion for glance-import when the backend is Ceph, see [1] 1. https://docs.openstack.org/glance/rocky/admin/interoperable-image-import.html
Added to downstream storage tempest as a testcase https://code.engineering.redhat.com/gerrit/#/c/176830/
Install rhos15 with ceph as backend (glance, nova and cinder) Run image_coverstation test - passed
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHEA-2019:2811
The needinfo request[s] on this closed bug have been removed as they have been unresolved for 1000 days