I think I had a similar issue recently when I've added a new pool. All pgs that corresponded to the new pool were shown as degraded/unclean. After doing a bit of testing I've realized that my issue was down to this:
replicated size 2
min_size 2
replicated size 2
min_size 2
replicated size and min size was the same. In my case, i've got 2 osd servers with total replica of 2. The minimal size should be set to 1 - so that the cluster would still work with at least one PG being up.
After I've changed the min_size to 1 the cluster sorted itself out. Try doing this for your pools.
Andrei
From: "Georgios Dimitrakakis" <giorgis@xxxxxxxxxxxx>
To: ceph-users@xxxxxxxxxxxxxx
Sent: Saturday, 29 November, 2014 11:13:05 AM
Subject: Ceph Degraded
Hi all!
I am setting UP a new cluster with 10 OSDs
and the state is degraded!
# ceph health
HEALTH_WARN 940 pgs degraded; 1536 pgs stuck unclean
#
There are only the default pools
# ceph osd lspools
0 data,1 metadata,2 rbd,
with each one having 512 pg_num and 512 pgp_num
# ceph osd dump | grep replic
pool 0 'data' replicated size 2 min_size 2 crush_ruleset 0 object_hash
rjenkins pg_num 512 pgp_num 512 last_change 286 flags hashpspool
crash_replay_interval 45 stripe_width 0
pool 1 'metadata' replicated size 2 min_size 2 crush_ruleset 0
object_hash rjenkins pg_num 512 pgp_num 512 last_change 287 flags
hashpspool stripe_width 0
pool 2 'rbd' replicated size 2 min_size 2 crush_ruleset 0 object_hash
rjenkins pg_num 512 pgp_num 512 last_change 288 flags hashpspool
stripe_width 0
No data yet so is there something I can do to repair it as it is?
Best regards,
George
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