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?
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