I have seen this sort of error previously when the name supplied to rbd.Image is unicode formatted (or non-utf8). We should call strutils.safe_encode() on the name to be safe like in cinder.backup.drivers.ceph.
I have seen this sort of error previously when the name supplied to rbd.Image is unicode formatted (or non-utf8). We should call strutils. safe_encode( ) on the name to be safe like in cinder. backup. drivers. ceph.