sounds like http://tracker.ceph.com/issues/13422 .
*** Bug 1267035 has been marked as a duplicate of this bug. ***
*** Bug 1236693 has been marked as a duplicate of this bug. ***
the hammer backport was merged.
Product Management has reviewed and declined this request. You may appeal this decision by reopening this request.
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://rhn.redhat.com/errata/RHSA-2016-1972.html