> Op 13 mei 2016 om 11:34 schreef Lazuardi Nasution <mrxlazuardin@xxxxxxxxx>:
>
>
> Hi,
>
> After disaster and restarting for automatic recovery, I found following
> ceph status. Some OSDs cannot be restarted due to file system corruption
> (it seem that xfs is fragile).
>
> [root@management-b ~]# ceph status
> cluster 3810e9eb-9ece-4804-8c56-b986e7bb5627
> health HEALTH_WARN
> 209 pgs degraded
> 209 pgs stuck degraded
> 334 pgs stuck unclean
> 209 pgs stuck undersized
> 209 pgs undersized
> recovery 5354/77810 objects degraded (6.881%)
> recovery 1105/77810 objects misplaced (1.420%)
> monmap e1: 3 mons at {management-a=
> 10.255.102.1:6789/0,management-b=10.255.102.2:6789/0,management-c=10.255.102.3:6789/0
> }
> election epoch 2308, quorum 0,1,2
> management-a,management-b,management-c
> osdmap e25037: 96 osds: 49 up, 49 in; 125 remapped pgs
> flags sortbitwise
> pgmap v9024253: 2560 pgs, 5 pools, 291 GB data, 38905 objects
> 678 GB used, 90444 GB / 91123 GB avail
> 5354/77810 objects degraded (6.881%)
> 1105/77810 objects misplaced (1.420%)
> 2226 active+clean
> 209 active+undersized+degraded
> 125 active+remapped
> client io 0 B/s rd, 282 kB/s wr, 10 op/s
>
> Since total active PGs same with total PGs and total degraded PGs same with
> total undersized PGs, does it mean that all PGs have at least one good
> replica, so I can just mark lost or remove down OSD, reformat again and
> then restart them if there is no hardware issue with HDDs? Which one of PGs
> status should I pay more attention, degraded or undersized due to lost
> object possibility?
>
Yes. Your system is not reporting any inactive, unfound or stale PGs, so that is good news.
However, I recommend that you wait for the system to become fully active+clean before you start removing any OSDs or formatting hard drives. Better be safe than sorry.
Wido
> Best regards,
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