Listing OSDs of a device class
Use this information to list oSDs that belong to a device class.
To list all OSDs that belong to a particular class, run the following:
Syntax
ceph osd crush class ls-osd CLASS
Example
[ceph: root@host01 /]# ceph osd crush class ls-osd hdd
The output is simply a list of OSD numbers. For example:
0
1
2
3
4
5
6