Hi,
I'm facing a critical issue with my Ceph cluster. It has become unable to
read/write data properly and cannot recover normally. What steps should I take
to resolve this?
[root@ceph-node1 ~]# ceph -s
cluster:
id: 76956086-25f5-445d-a49e-b7824393c17b
health: HEALTH_WARN
1 pools have many more objects per pg than average
102131233/124848552 objects misplaced (81.804%)
Reduced data availability: 40 pgs inactive
Degraded data redundancy: 6402821/124848552 objects degraded
(5.128%), 11 pgs degraded, 31 pgs undersized
services:
mon: 3 daemons, quorum ceph-node1,ceph-node2,ceph-node3
mgr: ceph-node2(active), standbys: ceph-node3, ceph-node1
osd: 6 osds: 6 up, 6 in; 169 remapped pgs
data:
pools: 7 pools, 216 pgs
objects: 41.62 M objects, 2.6 TiB
usage: 18 TiB used, 12 TiB / 30 TiB avail
pgs: 12.500% pgs unknown
6.019% pgs not active
6402821/124848552 objects degraded (5.128%)
102131233/124848552 objects misplaced (81.804%)
143 active+clean+remapped
27 unknown
15 active+undersized+remapped
13 active+clean
9 undersized+degraded+peered
4 undersized+peered
2 active+undersized+degraded
1 active+undersized
1 active+remapped+backfilling
1 active+clean+remapped+scrubbing+deep
io:
recovery: 1.3 MiB/s, 20 objects/s，
[root@ceph-node1 ~]# ceph osd df tree
ID CLASS WEIGHT REWEIGHT SIZE USE DATA OMAP META AVAIL %USE
VAR PGS TYPE NAME
-1 30.00000 - 30 TiB 18 TiB 17 TiB 125 GiB 302 GiB 12 TiB
58.88 1.00 - root default
-3 10.00000 - 10 TiB 5.9 TiB 5.8 TiB 38 GiB 101 GiB 4.1 TiB
59.11 1.00 - host ceph-node1
0 hdd 5.00000 0.21257 5.0 TiB 2.3 TiB 2.2 TiB 25 GiB 41 GiB 2.7 TiB
46.21 0.78 61 osd.0
3 hdd 5.00000 0.13638 5.0 TiB 3.6 TiB 3.5 TiB 13 GiB 60 GiB 1.4 TiB
72.02 1.22 84 osd.3
-5 10.00000 - 10 TiB 6.2 TiB 6.1 TiB 42 GiB 105 GiB 3.8 TiB
62.40 1.06 - host ceph-node2
1 hdd 5.00000 0.13644 5.0 TiB 3.6 TiB 3.5 TiB 11 GiB 61 GiB 1.4 TiB
71.99 1.22 95 osd.1
4 hdd 5.00000 0.16666 5.0 TiB 2.6 TiB 2.6 TiB 31 GiB 44 GiB 2.4 TiB
52.81 0.90 104 osd.4
-7 10.00000 - 10 TiB 5.5 TiB 5.4 TiB 45 GiB 96 GiB 4.5 TiB
55.11 0.94 - host ceph-node3
2 hdd 5.00000 0.16666 5.0 TiB 3.5 TiB 3.4 TiB 22 GiB 62 GiB 1.5 TiB
70.19 1.19 79 osd.2
5 hdd 5.00000 0.21664 5.0 TiB 2.0 TiB 1.9 TiB 23 GiB 34 GiB 3.0 TiB
40.04 0.68 100 osd.5
TOTAL 30 TiB 18 TiB 17 TiB 125 GiB 302 GiB 12 TiB
58.88
MIN/MAX VAR: 0.68/1.22 STDDEV: 13.38
Thanks~
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