Hi Reno,
"Peering", as far as I understand it, is the osds trying to talk to each
other.
You have approximately 1 OSD worth of pgs stuck (i.e. 264 / 8), and osd.0
appears in each of the stuck pgs, alongside either osd.2 or osd.3.
I'd start by checking the comms between osd.0 and osds 2 and 3 (including
the MTU).
Cheers,
Chris
On Fri, Dec 18, 2015 at 02:50:18PM +0100, Reno Rainz wrote:
> Hi all,
>
> I reboot all my osd node after, I got some pg stuck in peering state.
>
> root@ceph-osd-3:/var/log/ceph# ceph -s
> cluster 186717a6-bf80-4203-91ed-50d54fe8dec4
> health HEALTH_WARN
> clock skew detected on mon.ceph-osd-2
> 33 pgs peering
> 33 pgs stuck inactive
> 33 pgs stuck unclean
> Monitor clock skew detected
> monmap e1: 3 mons at {ceph-osd-1=
> 10.200.1.11:6789/0,ceph-osd-2=10.200.1.12:6789/0,ceph-osd-3=10.200.1.13:6789/0
> }
> election epoch 14, quorum 0,1,2 ceph-osd-1,ceph-osd-2,ceph-osd-3
> osdmap e66: 8 osds: 8 up, 8 in
> pgmap v1346: 264 pgs, 3 pools, 272 MB data, 653 objects
> 808 MB used, 31863 MB / 32672 MB avail
> 231 active+clean
> 33 peering
> root@ceph-osd-3:/var/log/ceph#
>
>
> root@ceph-osd-3:/var/log/ceph# ceph pg dump_stuck
> ok
> pg_stat state up up_primary acting acting_primary
> 4.2d peering [2,0] 2 [2,0] 2
> 1.57 peering [3,0] 3 [3,0] 3
> 1.24 peering [3,0] 3 [3,0] 3
> 1.52 peering [0,2] 0 [0,2] 0
> 1.50 peering [2,0] 2 [2,0] 2
> 1.23 peering [3,0] 3 [3,0] 3
> 4.54 peering [2,0] 2 [2,0] 2
> 4.19 peering [3,0] 3 [3,0] 3
> 1.4b peering [0,3] 0 [0,3] 0
> 1.49 peering [0,3] 0 [0,3] 0
> 0.17 peering [0,3] 0 [0,3] 0
> 4.17 peering [0,3] 0 [0,3] 0
> 4.16 peering [0,3] 0 [0,3] 0
> 0.10 peering [0,3] 0 [0,3] 0
> 1.11 peering [0,2] 0 [0,2] 0
> 4.b peering [0,2] 0 [0,2] 0
> 1.3c peering [0,3] 0 [0,3] 0
> 0.c peering [0,3] 0 [0,3] 0
> 1.3a peering [3,0] 3 [3,0] 3
> 0.38 peering [2,0] 2 [2,0] 2
> 1.39 peering [0,2] 0 [0,2] 0
> 4.33 peering [2,0] 2 [2,0] 2
> 4.62 peering [2,0] 2 [2,0] 2
> 4.3 peering [0,2] 0 [0,2] 0
> 0.6 peering [0,2] 0 [0,2] 0
> 0.4 peering [2,0] 2 [2,0] 2
> 0.3 peering [2,0] 2 [2,0] 2
> 1.60 peering [0,3] 0 [0,3] 0
> 0.2 peering [3,0] 3 [3,0] 3
> 4.6 peering [3,0] 3 [3,0] 3
> 1.30 peering [0,3] 0 [0,3] 0
> 1.2f peering [0,2] 0 [0,2] 0
> 1.2a peering [3,0] 3 [3,0] 3
> root@ceph-osd-3:/var/log/ceph#
>
>
> root@ceph-osd-3:/var/log/ceph# ceph osd tree
> ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY
> -9 4.00000 root default
> -8 4.00000 region eu-west-1
> -6 2.00000 datacenter eu-west-1a
> -2 2.00000 host ceph-osd-1
> 0 1.00000 osd.0 up 1.00000 1.00000
> 1 1.00000 osd.1 up 1.00000 1.00000
> -4 2.00000 host ceph-osd-3
> 4 1.00000 osd.4 up 1.00000 1.00000
> 5 1.00000 osd.5 up 1.00000 1.00000
> -7 2.00000 datacenter eu-west-1b
> -3 2.00000 host ceph-osd-2
> 2 1.00000 osd.2 up 1.00000 1.00000
> 3 1.00000 osd.3 up 1.00000 1.00000
> -5 2.00000 host ceph-osd-4
> 6 1.00000 osd.6 up 1.00000 1.00000
> 7 1.00000 osd.7 up 1.00000 1.00000
> root@ceph-osd-3:/var/log/ceph#
>
> Do you have guys any idea ? Why they stay in this state ?
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