>>>> >> Oh! so the device class is more like an arbitrary label not a immutable defined property! >> looking at https://docs.ceph.com/en/reef/rados/operations/crush-map/#device-classes >> this is not specified … "By default, OSDs automatically set their class at startup to hdd, ssd, or nvme in accordance with the type of device they are backed by.” Maybe we started setting “nvme” recently? I did indeed document a while ago that deviceclass names are arbitrary: https://docs.ceph.com/en/reef/rados/operations/crush-map/#creating-a-rule-for-a-replicated-pool; _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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