# ceph -s
  cluster:
    id:     b60e2a15-3b26-474b-a39c-30603d426a64
    health: HEALTH_WARN
            1 pools have many more objects per pg than average
 
  services:
    mon: 1 daemons, quorum ceph-mon0
    mgr: ceph-mon0(active), standbys: gateway
    osd: 4 osds: 4 up, 4 in
    rgw: 1 daemon active
 
  data:
    pools:   20 pools, 168 pgs
    objects: 14.19 k objects, 54 GiB
    usage:   113 GiB used, 44 TiB / 44 TiB avail
    pgs:     9.524% pgs unknown
             152 active+clean
             16  unknown
Warning Message
 1 pools have many more objects per pg than average
 1°³ÀÇ Ç®ÀÌ Æò±Õº¸´Ù ¸¹Àº pg °´Ã¼°¡ ÀÖ´Ù.
# ceph osd pool create <new-pool> <pg_num>
# rados cppool <old-pool> <new-pool>
# ceph osd pool delete <old-pool>
# ceph osd pool rename <new-pool> <old-pool>