Hi, I set up a cache pool for data pool used in CephFS. When I tried to remove the cache pool, I got this error: pool 'XXX' is in use by CephFS via its tier. So, my question is: why is it forbidden to remove tiers from a base pool in use by CephFS? How about the pool in use by RBD? CY _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com