A few weeks ago I converted everything from straw to straw2 (to be able to use the balancer) using the command:
ceph osd crush set-all-straw-buckets-to-straw2
I have now just added a new rack bucket, and moved a couple of new osd nodes in this rack, using the commands:
ceph osd crush add-bucket Rack12-PianoAlto rack
ceph osd crush move Rack12-PianoAlto root=default
ceph osd crush move ceph-osd-06 rack=Rack12-PianoAlto
ceph osd crush move ceph-osd-07 rack=Rack12-PianoAlto
Since I see that these new entries are still using straw, I re-run:
ceph osd crush set-all-straw-buckets-to-straw2
I am trying to understand what should be changed to have new buckets created using straw2.
Should I change this one:
tunable straw_calc_version 1
in the crushmap ?
Thanks, Massimo
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