Hi all,
I'm testing out ceph mgr balancer as per http://docs.ceph.com/docs/master/mgr/balancer/ on our test cluster on Luminous 12.2.4, but can't seem to get it to work. Everything looks good in the prep, the new plan shows that it will take some actions, but it doesn't execute at all. Am I missing something? Details below: # ceph mgr module enable balancer # ceph balancer eval current cluster score 0.011116 (lower is better) # ceph balancer mode upmap # ceph balancer optimize mynewplan2 # ceph balancer status { "active": true, "plans": [ "mynewplan2" ], "mode": "upmap" } # ceph balancer show mynewplan2 # starting osdmap epoch 10629 # starting crush version 71 # mode upmap ceph osd pg-upmap-items 10.3 15 5 33 45 62 58 ceph osd pg-upmap-items 10.8 41 45 13 5 ceph osd pg-upmap-items 10.b 17 18 41 45 13 5 ceph osd pg-upmap-items 10.10 27 28 ceph osd pg-upmap-items 10.11 51 58 ceph osd pg-upmap-items 10.2a 32 45 27 21 ceph osd pg-upmap-items 10.32 40 45 7 5 51 58 ceph osd pg-upmap-items 10.47 43 45 51 58 ceph osd pg-upmap-items 10.4c 4 5 51 54 ceph osd pg-upmap-items 10.61 51 54 # ceph balancer eval mynewplan2 plan mynewplan2 final score 0.010474 (lower is better) # ceph balancer execute mynewplan2 (nothing happens) # ceph balancer on (still nothing happens) Regards, Linh
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