Hi sb-jw,
I have two pools, one of which is cephfs. For the VM disk pool, its size/min is 2/2 and PG is 1024. For the cephfs pool, its size/min is 3/2, and PG is 256. In terms of usage, ceph df provides:
GLOBAL:
SIZE AVAIL RAW USED %RAW USED
27.3TiB 22.0TiB...