Hi,
On a cluster running Hammer 0.94.9 (upgraded from Firefly) I have 29 remapped PGs according to the OSDMap, but all PGs are active+clean.
osdmap e111208: 171 osds: 166 up, 166 in; 29 remapped pgs
pgmap v101069070: 6144 pgs, 2 pools, 90122 GB data, 22787 kobjects
264 TB used, 184 TB / 448 TB avail
6144 active+clean
The OSDMap shows:
root@mon1:~# ceph osd dump|grep pg_temp
pg_temp 4.39 [160,17,10,8]
pg_temp 4.52 [161,16,10,11]
pg_temp 4.8b [166,29,10,7]
pg_temp 4.b1 [5,162,148,2]
pg_temp 4.168 [95,59,6,2]
pg_temp 4.1ef [22,162,10,5]
pg_temp 4.2c9 [164,95,10,7]
pg_temp 4.330 [165,154,10,8]
pg_temp 4.353 [2,33,18,54]
pg_temp 4.3f8 [88,67,10,7]
pg_temp 4.41a [30,59,10,5]
pg_temp 4.45f [47,156,21,2]
pg_temp 4.486 [138,43,10,7]
pg_temp 4.674 [59,18,7,2]
pg_temp 4.7b8 [164,68,10,11]
pg_temp 4.816 [167,147,57,2]
pg_temp 4.829 [82,45,10,11]
pg_temp 4.843 [141,34,10,6]
pg_temp 4.862 [31,160,138,2]
pg_temp 4.868 [78,67,10,5]
pg_temp 4.9ca [150,68,10,8]
pg_temp 4.a83 [156,83,10,7]
pg_temp 4.a98 [161,94,10,7]
pg_temp 4.b80 [162,88,10,8]
pg_temp 4.d41 [163,52,10,6]
pg_temp 4.d54 [149,140,10,7]
pg_temp 4.e8e [164,78,10,8]
pg_temp 4.f2a [150,68,10,6]
pg_temp 4.ff3 [30,157,10,7]
root@mon1:~#
So I tried to restart osd.160 and osd.161, but that didn't chance the state.
root@mon1:~# ceph pg 4.39 query
{
"state": "active+clean",
"snap_trimq": "[]",
"epoch": 111212,
"up": [
160,
17,
8
],
"acting": [
160,
17,
8
],
"actingbackfill": [
"8",
"17",
"160"
],
In all these PGs osd.10 is involved, but that OSD is down and out. I tried marking it as down again, but that didn't work.
I haven't tried removing osd.10 yet from the CRUSHMap since that will trigger a rather large rebalance.
This cluster is still running with the Dumpling tunables though, so that might be the issue. But before I trigger a very large rebalance I wanted to check if there are any insights on this one.
Thanks,
Wido
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