Hi,
i added 4 more OSDs on my 4 node Test Cluster and now i'm in HEALTH_ERR state. Right now its still recovering, but still, should this happen ? None of my OSDs are full. Maybe i need more PGs ? But since my %USE is < 40% it should be still ok to recover without HEALTH_ERR ?
data:
pools: 7 pools, 484 pgs
objects: 2.70 M objects, 10 TiB
usage: 31 TiB used, 114 TiB / 146 TiB avail
pgs: 2422839/8095065 objects misplaced (29.930%)
343 active+clean
101 active+remapped+backfill_wait
39 active+remapped+backfilling
1 active+remapped+backfill_wait+backfill_toofull
io:
recovery: 315 MiB/s, 78 objects/s
ceph osd df
ID CLASS WEIGHT REWEIGHT SIZE USE AVAIL %USE VAR PGS
0 hdd 2.72890 1.00000 2.7 TiB 975 GiB 1.8 TiB 34.89 1.62 31
1 hdd 2.72899 1.00000 2.7 TiB 643 GiB 2.1 TiB 23.00 1.07 36
8 hdd 7.27739 1.00000 7.3 TiB 1.7 TiB 5.5 TiB 23.85 1.11 83
12 hdd 7.27730 1.00000 7.3 TiB 1.1 TiB 6.2 TiB 14.85 0.69 81
16 hdd 7.27730 1.00000 7.3 TiB 2.0 TiB 5.3 TiB 27.68 1.29 74
20 hdd 9.09569 1.00000 9.1 TiB 108 GiB 9.0 TiB 1.16 0.05 43
2 hdd 2.72899 1.00000 2.7 TiB 878 GiB 1.9 TiB 31.40 1.46 36
3 hdd 2.72899 1.00000 2.7 TiB 783 GiB 2.0 TiB 28.02 1.30 39
9 hdd 7.27739 1.00000 7.3 TiB 2.0 TiB 5.3 TiB 27.58 1.28 85
13 hdd 7.27730 1.00000 7.3 TiB 2.2 TiB 5.1 TiB 30.10 1.40 78
17 hdd 7.27730 1.00000 7.3 TiB 2.1 TiB 5.2 TiB 28.23 1.31 84
21 hdd 9.09569 1.00000 9.1 TiB 192 GiB 8.9 TiB 2.06 0.10 41
4 hdd 2.72899 1.00000 2.7 TiB 927 GiB 1.8 TiB 33.18 1.54 34
5 hdd 2.72899 1.00000 2.7 TiB 1.0 TiB 1.7 TiB 37.57 1.75 28
10 hdd 7.27739 1.00000 7.3 TiB 2.2 TiB 5.0 TiB 30.66 1.43 87
14 hdd 7.27730 1.00000 7.3 TiB 1.8 TiB 5.5 TiB 24.23 1.13 89
18 hdd 7.27730 1.00000 7.3 TiB 2.5 TiB 4.8 TiB 33.83 1.57 93
22 hdd 9.09569 1.00000 9.1 TiB 210 GiB 8.9 TiB 2.26 0.10 44
6 hdd 2.72899 1.00000 2.7 TiB 350 GiB 2.4 TiB 12.51 0.58 21
7 hdd 2.72899 1.00000 2.7 TiB 980 GiB 1.8 TiB 35.07 1.63 35
11 hdd 7.27739 1.00000 7.3 TiB 2.8 TiB 4.4 TiB 39.14 1.82 99
15 hdd 7.27730 1.00000 7.3 TiB 1.6 TiB 5.6 TiB 22.49 1.05 82
19 hdd 7.27730 1.00000 7.3 TiB 2.1 TiB 5.2 TiB 28.49 1.32 77
23 hdd 9.09569 1.00000 9.1 TiB 285 GiB 8.8 TiB 3.06 0.14 52
TOTAL 146 TiB 31 TiB 114 TiB 21.51
MIN/MAX VAR: 0.05/1.82 STDDEV: 11.78
Right after adding the osds it showed degraded for a few minutes, since all my pools have a redundancy of 3 and i'm adding osd i'm a bit confused why this happens ? I get why it's misplaced, but undersized and degraded ?
pgs: 4611/8095032 objects degraded (0.057%)
2626460/8095032 objects misplaced (32.445%)
215 active+clean
192 active+remapped+backfill_wait
26 active+recovering+undersized+remapped
17 active+recovery_wait+undersized+degraded+remapped
16 active+recovering
11 active+recovery_wait+degraded
6 active+remapped+backfilling
1 active+remapped+backfill_toofull
Maybe someone can give me some pointers on what i'm missing to understand whats happening here ?
Thanks!
Sebastian
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