Marek Dohojda:
ceph pg force_create_pg 0.21
One of the Stuck Inactive is 0.21 and here is the output of ceph pg map
#ceph pg map 0.21
osdmap e579 pg 0.21 (0.21) -> up [] acting []
#ceph pg dump_stuck stale
ok
pg_stat state up up_primary acting acting_primary
0.22 stale+active+clean [5,1,6] 5 [5,1,6] 5
0.1f stale+active+clean [2,0,4] 2 [2,0,4] 2
<reducted for ease of reading>
# ceph osd stat
osdmap e579: 14 osds: 14 up, 14 in
If I do
#ceph pg 0.21 query
The command freezes and never returns any output.
I suspect that the problem is that these PGs were created but the OSD that they were initially created under disappeared. So I believe that I should just remove these PGs, but honestly I don’t see how.
Does anybody have any ideas as to what to do next?
ceph pg force_create_pg 0.21
We've been playing last week with this same scenario: we stopped on purpose the 3 OSD with the replicas of one PG to find out how it affected to the cluster and we ended up with a stale PG and 400 requests blocked for a long time. After trying several commands to get the cluster back the one that made the difference was force_create_pg and later moving the OSD with blocked requests out of the cluster.
Hope that helps,
Alex
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