Update: This is affecting Trusty-Mitaka and Xenial-Mitaka (Jewel). ceph-disk prepare succeeds with <= Hammer (Trusty-Liberty or earlier appear to be OK). Newton is untested.
Update: This is affecting Trusty-Mitaka and Xenial-Mitaka (Jewel). ceph-disk prepare succeeds with <= Hammer (Trusty-Liberty or earlier appear to be OK). Newton is untested.