Software-Defined Storage CLI Reference

ceph health
ceph health detail

ceph status
ceph -s

ceph quorum_status --format json | jq .quorum_names

ceph osd tree

ceph df
ceph df detail

ceph osd pool ls
ceph osd pool ls detail

ceph osd pool create volumes 128 replicated
ceph osd pool set volumes size 3

ceph osd pool create ec-data 64 erasure default

ceph osd pool stats volumes

ceph osd pool get volumes size
ceph osd pool get volumes crush_rule

ceph osd pool set volumes size 3

ceph osd pool delete volumes volumes --yes-i-really-really-mean-it

ceph osd ls

ceph osd df

ceph osd out osd.3

ceph osd down osd.3

ceph osd purge osd.3 --yes-i-really-mean-it

ceph osd reweight osd.3 0.9

rbd ls volumes

rbd create --size 50G volumes/my-image

rbd info volumes/my-image

rbd resize --size 100G volumes/my-image

rbd snap create volumes/my-image@snap-1

rbd snap ls volumes/my-image

rbd snap rm volumes/my-image@snap-1

rbd rm volumes/my-image

radosgw-admin bucket list

radosgw-admin bucket stats --bucket my-bucket

radosgw-admin user create \
  --uid my-user \
  --display-name "My User" \
  --email user@example.com

radosgw-admin user info --uid my-user