$ sudo ceph osd tree
ID WEIGHT  TYPE NAME          UP/DOWN REWEIGHT PRIMARY-AFFINITY
-1 0.11998 root default
-2 0.03999     host ceph-osd1
 0 0.03999         osd.0           up  1.00000          1.00000
-3 0.03999     host ceph-osd2
 1 0.03999         osd.1           up  1.00000          1.00000
-4 0.03999     host ceph-osd3
 2 0.03999         osd.2           up  1.00000          1.00000
$ sudo ceph status
    cluster 52db5e1f-3966-4784-af68-0efd50d16d97
     health HEALTH_OK
     monmap e2: 3 mons at {ceph-mon1=10.0.0.202:6789/0,ceph-mon2=10.0.0.203:6789/0,ceph-mon3=10.0.0.204:6789/0}
            election epoch 6, quorum 0,1,2 ceph-mon1,ceph-mon2,ceph-mon3
     osdmap e13: 3 osds: 3 up, 3 in
      pgmap v23: 64 pgs, 1 pools, 0 bytes data, 0 objects
            102336 kB used, 134 GB / 134 GB avail
                  64 active+clean