Don’t use legacy override reweights. When you have upmap balancing enabled they confuse the balancer. Look for `rados bench` leftovers > On May 5, 2025, at 6:01 AM, Yunus Emre Sarıpınar <yunusemresaripinar@xxxxxxxxx> wrote: > > I have a ceph cluster created with nautilus and I upgraded to octopus later. > > I was have 24x node and I added 8x new nodes to the cluster. Balancer is upmap enabled. I increased my PG count from 8192 to 16384. > > I had to set reweight 0.8 on new OSD's to solve full usage (There was only 1TB left because of the faulted balance) > > Now cluster health is OK and distribution is balanced by my manual fix. > > data: > pools: 4 pools, 16545 pgs > objects: 173.32M objects, 82 TiB > usage: 436 TiB used, 235 TiB / 671 TiB avail > pgs: 15930 active+clean > 579 active+clean+snaptrim_wait > 36 active+clean+snaptrim > > Before adding 8 nodes to the cluster, the usage was 215 TiB used. I did the update about 2 months ago and my usage area still hasn't decreased. > > Why did the usage double, how can I solve it? > > > _______________________________________________ > Dev mailing list -- dev@xxxxxxx > To unsubscribe send an email to dev-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
 |