I enabled the balancer plugin and even tried to manually invoke it but it won't allow any changes. Looking at ceph osd df, it's not even at all. Thoughts?
root@hostadmin:~# ceph osd df
ID CLASS WEIGHT REWEIGHT SIZE USE AVAIL %USE VAR PGS
1 hdd 0.00980 0 0 B 0 B 0 B 0 0 0
3 hdd 0.00980 1.00000 10 GiB 8.3 GiB 1.7 GiB 82.83 1.14 156
6 hdd 0.00980 1.00000 10 GiB 8.4 GiB 1.6 GiB 83.77 1.15 144
0 hdd 0.00980 0 0 B 0 B 0 B 0 0 0
5 hdd 0.00980 1.00000 10 GiB 9.0 GiB 1021 MiB 90.03 1.23 159
7 hdd 0.00980 1.00000 10 GiB 7.7 GiB 2.3 GiB 76.57 1.05 141
2 hdd 0.00980 1.00000 10 GiB 5.5 GiB 4.5 GiB 55.42 0.76 90
4 hdd 0.00980 1.00000 10 GiB 5.9 GiB 4.1 GiB 58.78 0.81 99
8 hdd 0.00980 1.00000 10 GiB 6.3 GiB 3.7 GiB 63.12 0.87 111
TOTAL 90 GiB 53 GiB 37 GiB 72.93
MIN/MAX VAR: 0.76/1.23 STDDEV: 12.67
root@hostadmin:~# osdmaptool om --upmap out.txt --upmap-pool rbd
osdmaptool: osdmap file 'om'
writing upmap command output to: out.txt
checking for upmap cleanups
upmap, max-count 100, max deviation 0.01 <---really? It's not even close to 1% across the drives
limiting to pools rbd (1)
no upmaps proposed
ceph balancer optimize myplan
Error EALREADY: Unable to find further optimization,or distribution is already perfect
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