Hi, maybe you can help us with following probs: if you need more info about our cluster or any debugging log I will be happy to help
Environment: ------------------- Small test cluster with 7 node, 1 osd per node Upgrade from dumpling to emporer 0.72.1 2 Problems after upgrade: ----------------------------------- - ceph -s shows <health HEALTH_WARN pool images has too few pgs> - changing pg_num etc from 1024 to 1600 has no effect - after setting <mon_pg_warn_min_objects> to a larger value the cluster moves to HEALTH_OK - 20 pools create new pool wait until pool is ready delete pool again ceph -s still shows 21 pools stop first mon, wait, start mon again ceph -s shows 20 pools, 21 pools, 20 pools, ... changing every n (~ 2) secs stop second mon, wait, start mon again ceph -s shows 20 pools, 21 pools, 20 pools, ... changing every m > n secs stop third mon, wait, start mon again ceph -s shows 20 pools ... stable Some infos about the cluster: ---------------------------------------- # uname –a Linux host1 3.2.0-53-generic #81-Ubuntu SMP Thu Aug 22 21:01:03 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux # ceph --version ceph version 0.72.1 (4d923861868f6a15dcb33fef7f50f674997322de) # ceph -s cluster 3f4a289a-ad40-40e7-8204-ab38affb18f8 health HEALTH_WARN pool images has too few pgs monmap e1: 3 mons at {host1=10.255.NNN.NN:6789/0,host2=10.255.NNN.NN:6789/0,host3=10.255.NNN.NN:6789/0},\ election epoch 306, quorum 0,1,2 host1,host2,host3 mdsmap e21: 1/1/1 up {0=host4=up:active} osdmap e419: 7 osds: 7 up, 7 in pgmap v815042: 17152 pgs, 21 pools, 97795 MB data, 50433 objects 146 GB used, 693 GB / 839 GB avail 17152 active+clean client io 25329 kB/s wr, 39 op/s # ceph osd dump epoch 419 fsid 3f4a289a-ad40-40e7-8204-ab38affb18f8 created 2013-09-27 14:37:13.601605 modified 2013-11-20 16:55:35.791740 flags pool 0 'data' rep size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 1 owner 0 crash_replay_interval 45 pool 1 'metadata' rep size 2 min_size 1 crush_ruleset 1 object_hash rjenkins pg_num 64 pgp_num 64 last_change 1 owner 0 pool 2 'rbd' rep size 2 min_size 1 crush_ruleset 2 object_hash rjenkins pg_num 64 pgp_num 64 last_change 1 owner 0 pool 3 'images' rep size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 1600 pgp_num 1600 last_change 367 owner 0 removed_snaps [1~1,3~2] ... ... # rados lspools | wc -l 20 Greetings Michael
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