--- /dev/null
+roles:
+- [mon.a, mon.c, mgr.y, osd.0, osd.1, osd.2, osd.3, client.0]
+- [mon.b, mgr.x, osd.4, osd.5, osd.6, osd.7, client.1]
+openstack:
+- volumes: # attached to each instance
+ count: 4
+ size: 10 # GB
+overrides:
+ ceph:
+ conf:
+ osd:
+ osd shutdown pgref assert: true