Hi all,
Back in Luminous Dev and RC, I was able to do this: `ceph osd crush class create myclass` so I could utilise the new CRUSH device classes feature as described here: http://ceph.com/community/new-luminous-crush-device-classes/ and in use here: http://blog-fromsomedude.rhcloud.com/2017/05/16/Luminous-series-CRUSH-devices-class/ Now I'm on Luminous LTS 12.2.1 and my custom device classes are still seen in: `ceph osd crush class ls` `ceph osd tree` and so on. The cluster is working fine and healthy. However, when I run `ceph osd crush class create myclass2` now, it tells me the command doesn't exist anymore. Are we not meant to create custom device classes anymore? Regards, Linh
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