Description of problem:
When the cinder backend is removed, it is not anymore possible to remove the cinder volumes. The volumes remain in deleting state forever.

Even running openstack volume delete --force –

There are workarounds to fix this in the DB, but they come with the risk that they become outdated when OpenStack is changing (e.g. https://access.redhat.com/solutions/2578061) they might have undocumented side effects.

Version-Release number of selected component (if applicable):

How reproducible:
Each time you remove the cinder backend (in this case ceph).

Steps to Reproduce:
1. Add a cinder backend (e.g. ceph)
2. Stop the backend or removed it form network)
3. Try to delete any volume that was stored on the cinder backend

Actual results:
The volume remains in deleting state.

Expected results:
The volume to be deleted

Additional info: