too many PGs per OSD (326 > max 300) warning when ALL PGs are 256

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Ok, this is an odd one to me…

I have several pools, ALL of them are set with pg_num and pgp_num = 256. Yet, the warning about too many PGs per OSD is showing up.

Here are my pools:

 

pool 0 'rbd' replicated size 3 min_size 2 crush_ruleset 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 134 flags hashpspool stripe_width 0

pool 1 'cephfs_data' replicated size 3 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 203 flags hashpspool crash_replay_interval 45 stripe_width 0

pool 2 'cephfs_metadata' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 196 flags hashpspool stripe_width 0

pool 3 'vmimages' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 128 pgp_num 128 last_change 213 flags hashpspool stripe_width 0

        removed_snaps [1~3]

pool 25 '.rgw.root' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 6199 flags hashpspool stripe_width 0

pool 26 'default.rgw.control' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 6202 flags hashpspool stripe_width 0

pool 27 'default.rgw.data.root' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 6204 flags hashpspool stripe_width 0

pool 28 'default.rgw.gc' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 6205 flags hashpspool stripe_width 0

pool 29 'default.rgw.log' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 6206 flags hashpspool stripe_width 0

pool 30 'default.rgw.users.uid' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 6211 flags hashpspool stripe_width 0

pool 31 'default.rgw.meta' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 6214 flags hashpspool stripe_width 0

pool 32 'default.rgw.buckets.index' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 6216 flags hashpspool stripe_width 0

pool 33 'default.rgw.buckets.data' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 256 pgp_num 256 last_change 6218 flags hashpspool stripe_width 0

 

 

so why would the warning show up, and how do I get it to go away and stay away?

 

 

Brian Andrus

ITACS/Research Computing

Naval Postgraduate School

Monterey, California

voice: 831-656-6238

 

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