40 seconds after power down server:
2016-07-14 14:16:28.698282 mon.0 [INF] osd.0 10.250.250.7:6816/3202 failed (12 reporters from different host after 41.469505 >= grace 39.131516)
2016-07-14 14:16:28.698744 mon.0 [INF] osd.1 10.250.250.7:6800/2713 failed (12 reporters from different host after 41.469353 >= grace 39.131516)
2016-07-14 14:16:28.699021 mon.0 [INF] osd.2 10.250.250.7:6804/2840 failed (12 reporters from different host after 41.468914 >= grace 39.131518)
2016-07-14 14:16:28.699255 mon.0 [INF] osd.3 10.250.250.7:6812/3071 failed (12 reporters from different host after 41.468704 >= grace 39.131519)
2016-07-14 14:16:28.699527 mon.0 [INF] osd.4 10.250.250.7:6808/2961 failed (13 reporters from different host after 41.468630 >= grace 39.141068)

ceph -s
root@ceph-mon-1:~# ceph -s
    cluster adb9fb36-5986-4409-8c90-514a67305695
     health HEALTH_OK
     monmap e1: 3 mons at {ceph-mon-1=10.250.250.4:6789/0,ceph-mon-2=10.250.250.5:6789/0,ceph-mon-3=10.250.250.6:6789/0}
            election epoch 464, quorum 0,1,2 ceph-mon-1,ceph-mon-2,ceph-mon-3
     osdmap e12479: 90 osds: 90 up, 90 in
            flags sortbitwise
      pgmap v116439: 4096 pgs, 1 pools, 1077 GB data, 598 kobjects
            3262 GB used, 80529 GB / 83792 GB avail
                4096 active+clean