Description of problem:
Some kernel cephfs client doesn't support pool namespace. ceph_volume_client should make pool namespace optional for these kernels.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
The automated tests for the ceph_volume_client library are here,
I recommend running the all the tests in the file. You can also run specific tests, test_volume_without_namespace_isolation and test_idempotency
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.