Hi all,
I have a Firefly cluster which has been upgraded from Emperor.
It has 2 OSD hosts and 3 monitors.
The cluster has default values for what concerns size and min_size of the
pools.
Once upgraded to Firefly, I created a new pool called bench2:
ceph osd pool create bench2 128 128
and set its sizes:
ceph osd pool set bench2 size 2
ceph osd pool set bench2 min_size 1
this is the state of the pools:
pool 0 'data' replicated size 2 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 64 pgp_num 64 last_change 1 crash_replay_interval 45
stripe_width 0
pool 1 'metadata' replicated size 2 min_size 1 crush_ruleset 1 object_hash
rjenkins pg_num 64 pgp_num 64 last_change 1 stripe_width 0
pool 2 'rbd' replicated size 2 min_size 1 crush_ruleset 2 object_hash
rjenkins pg_num 64 pgp_num 64 last_change 1 stripe_width 0
pool 3 'volumes' replicated size 2 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 384 pgp_num 384 last_change 2568 stripe_width 0
removed_snaps [1~75]
pool 4 'images' replicated size 2 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 384 pgp_num 384 last_change 1895 stripe_width 0
pool 8 'bench2' replicated size 2 min_size 1 crush_ruleset 0 object_hash
rjenkins pg_num 128 pgp_num 128 last_change 2580 flags hashpspool
stripe_width 0
despite this I still get a warning about 128 pgs stuck unclean.
The "ceph health detail" shows me the stuck PGs. So i take one to get the
involved OSDs:
pg 8.38 is stuck unclean since forever, current state active, last acting
[22,7]
if I restart the OSD with id 22, the PG 8.38 gets an active+clean state.
This is an incorrect behavior, AFAIK. The cluster should get noticed of the
new size and min_size values without any manual intervention. So my
question is: any idea about why this happens and how to restore the default
behavior? Do I need to restart all of the OSDs to restore an healthy state?
thanks a lot
Giuseppe
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