Attempting to adjust parameters of some of my recovery options, I restarted a
single osd in the cluster with the following syntax:
> sudo restart ceph-osd id=0
The osd restarts without issue, status shows running with the PID.
> sudo status ceph-osd id=0
> ceph-osd (ceph/0) start/running, process 2685
The osd marked itself down cleanly.
> 2016-10-07 19:36:20.872883 mon.0 10.0.1.249:6789/0 1475867 : cluster [INF]
> osd.0 marked itself down
> 2016-10-07 19:36:21.590874 mon.0 10.0.1.249:6789/0 1475869 : cluster [INF]
> osdmap e4361: 16 osds: 15 up, 16 in
The mon’s show this from one of many subsequent attempts to restart the osd.
> 2016-10-07 19:58:16.222949 mon.1 [INF] from='client.? 10.0.1.25:0/324114592'
> entity='osd.0' cmd=[{"prefix": "osd crush create-or-move", "args":
> ["host=node24", "root=default"], "id": 0, "weight": 7.2701}]: dispatch
> 2016-10-07 19:58:16.223626 mon.0 [INF] from='client.6557620 :/0'
> entity='osd.0' cmd=[{"prefix": "osd crush create-or-move", "args":
> ["host=node24", "root=default"], "id": 0, "weight": 7.2701}]: dispatch
mon logs show this when grepping for the osd.0 in the mon log
> 2016-10-07 19:36:20.872882 7fd39aced700 0 log_channel(cluster) log [INF] :
> osd.0 marked itself down
> 2016-10-07 19:36:27.698708 7fd39aced700 0 log_channel(audit) log [INF] :
> from='client.6554095 :/0' entity='osd.0' cmd=[{"prefix": "osd crush
> create-or-move", "args": ["host=node24", "root=default"], "id": 0, "weight":
> 7.2701}]: dispatch
> 2016-10-07 19:36:27.706374 7fd39aced700 0 mon.core@0(leader).osd e4363
> create-or-move crush item name 'osd.0' initial_weight 7.2701 at location
> {host=node24,root=default}
> 2016-10-07 19:39:30.515494 7fd39aced700 0 log_channel(audit) log [INF] :
> from='client.6554587 :/0' entity='osd.0' cmd=[{"prefix": "osd crush
> create-or-move", "args": ["host=node24", "root=default"], "id": 0, "weight":
> 7.2701}]: dispatch
> 2016-10-07 19:39:30.515618 7fd39aced700 0 mon.core@0(leader).osd e4363
> create-or-move crush item name 'osd.0' initial_weight 7.2701 at location
> {host=node24,root=default}
> 2016-10-07 19:41:59.714517 7fd39b4ee700 0 log_channel(cluster) log [INF] :
> osd.0 out (down for 338.148761)
Everything running latest Jewel release
> ceph --version
> ceph version 10.2.3 (ecc23778eb545d8dd55e2e4735b53cc93f92e65b)
Any help with this is extremely appreciated. Hoping someone has dealt with this
before.
Reed Dier
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