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Hello everyone, We have some osd on the ceph. Some osd's usage is more than 77% and another osd's usage is 39% in the same host. I wonder why osd’s usage is different.(Difference is large) and how can i fix it? ID CLASS WEIGHT REWEIGHT SIZE USE AVAIL %USE VAR PGS TYPE NAME -2 93.26010 - 93.3TiB 52.3TiB 41.0TiB 56.04 0.98 - host serverA …... 33 HDD 9.09511 1.00000 9.10TiB 3.55TiB 5.54TiB 39.08 0.68 66 osd.4 45 HDD 7.27675 1.00000 7.28TiB 5.64TiB 1.64TiB 77.53 1.36 81 osd.7 …... -5 79.99017 - 80.0TiB 47.7TiB 32.3TiB 59.62 1.04 - host serverB 1 HDD 9.09511 1.00000 9.10TiB 4.79TiB 4.31TiB 52.63 0.92 87 osd.1 6 HDD 9.09511 1.00000 9.10TiB 6.62TiB 2.48TiB 72.75 1.27 99 osd.6 …... Thank you You can use upmap balancer since Ceph
Liminous: http://docs.ceph.com/docs/luminous/mgr/balancer/
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