python-cardox package is required by openstack-gnocchi 2.1.1 please import it to osp9 repos. Its already in cbs centos, the package to import is http://cbs.centos.org/koji/buildinfo?buildID=10636
Package: python-cradox-1.1.8-2.el7ost.x86_64 Gnocchi successfully runs with ceph backend.
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/RHEA-2016-1597.html