Hi Ilya and all,
Thanks for explaining.
I'm confused about what "building" a crushmap means.
After running
#ceph osd crush tunables hammer
data migrated around the cluster, so something changed.
I was expecting that 'straw' would be replaced by 'straw2'.
(Unfortunately I did not dump the crushmap prior to setting tunables to
hammer, so I don't know what change did occur.)
So I guess setting tunables to hammer is not "building" a crushmap.
Could you give examples? Would creating a new pool on the cluster now use
straw2?
Thanks!
Chad.
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