[mons] mon0 mon1 mon2 [mgrs] mgr0 [osds] osd0 osd_crush_location="{ 'root': 'HDD', 'rack': 'mon-rackkkk', 'pod': 'monpod', 'host': 'osd0' }" [mdss] mds0 [rgws] rgw0 [nfss] nfs0 [clients] client0 client1 [rbdmirrors] rbd-mirror0