Hi,
I run a cluster with 7 OSD. The cluster has no much traffic on it. But
every few days, I get a HEALTH_ERR, because of inconsistent PGs:
root@Sam ~ # ceph status
cluster:
id: c4bfc288-8ba8-4c3a-b3a6-ed95503f50b7
health: HEALTH_ERR
3 scrub errors
Possible data damage: 3 pgs inconsistent
services:
mon: 1 daemons, quorum mon1
mgr: ceph-osd1(active)
mds: FS-1/1/1 up {0=ceph-osd1=up:active}
osd: 11 osds: 8 up, 7 in
rgw: 1 daemon active
data:
pools: 6 pools, 168 pgs
objects: 901.8 k objects, 2.6 TiB
usage: 7.9 TiB used, 7.4 TiB / 15 TiB avail
pgs: 165 active+clean
3 active+clean+inconsistent
io:
client: 641 KiB/s wr, 0 op/s rd, 3 op/s wr
root@Sam ~ # ceph health detail
HEALTH_ERR 3 scrub errors; Possible data damage: 3 pgs inconsistent
OSD_SCRUB_ERRORS 3 scrub errors
PG_DAMAGED Possible data damage: 3 pgs inconsistent
pg 5.1d is active+clean+inconsistent, acting [6,8,3]
pg 5.20 is active+clean+inconsistent, acting [3,9,0]
pg 5.4a is active+clean+inconsistent, acting [6,3,7]
What's the reason for this problem? How can I analyse it?
Cheers, Dimitri
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