roles: - [mon.a, mgr.x, osd.0, osd.1, osd.2, client.0] openstack: - volumes: # attached to each instance count: 3 size: 10 # GB overrides: ceph: fs: xfs conf: osd: filestore xfs extsize: true tasks: - install: - ceph: - workunit: clients: all: - rados/test_alloc_hint.sh