All,
Recently doubled the number of OSDs in our cluster, and towards the end
of the rebalancing, I noticed that recovery IO fell to nothing and that
the ceph mons eventually looked like this when I ran ceph -s
cluster:
id: 6a65c3d0-b84e-4c89-bbf7-a38a1966d780
health: HEALTH_WARN
34922/4329975 objects misplaced (0.807%)
Reduced data availability: 542 pgs inactive, 49 pgs
peering, 13502 pgs stale
Degraded data redundancy: 248778/4329975 objects
degraded (5.745%), 7319 pgs unclean, 2224 pgs degraded, 1817 pgs
undersized
services:
mon: 3 daemons, quorum cephmon-0,cephmon-1,cephmon-2
mgr: cephmon-0(active), standbys: cephmon-1, cephmon-2
osd: 376 osds: 376 up, 376 in
data:
pools: 9 pools, 13952 pgs
objects: 1409k objects, 5992 GB
usage: 31528 GB used, 1673 TB / 1704 TB avail
pgs: 3.225% pgs unknown
0.659% pgs not active
248778/4329975 objects degraded (5.745%)
34922/4329975 objects misplaced (0.807%)
6141 stale+active+clean
4537 stale+active+remapped+backfilling
1575 stale+active+undersized+degraded
489 stale+active+clean+remapped
450 unknown
396 stale+active+recovery_wait+degraded
216
stale+active+undersized+degraded+remapped+backfilling
40 stale+peering
30 stale+activating
24 stale+active+undersized+remapped
22 stale+active+recovering+degraded
13 stale+activating+degraded
9 stale+remapped+peering
4 stale+active+remapped+backfill_wait
3 stale+active+clean+scrubbing+deep
2
stale+active+undersized+degraded+remapped+backfill_wait
1 stale+active+remapped
The problem is, everything works fine. If I run ceph health detail and
do a pg query against one of the 'degraded' placement groups, it reports
back as active-clean. All clients in the cluster can write and read at
normal speeds, but not IO information is ever reported in ceph -s.
From what I can see, everything in the cluster is working properly
except the actual reporting on the status of the cluster. Has anyone
seen this before/know how to sync the mons up to what the OSDs are
actually reporting? I see no connectivity errors in the logs of the
mons or the osds.
Thanks,
---
v/r
Chris Apsey
bitskr...@bitskrieg.net
https://www.bitskrieg.net
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