purgedata - Purge (delete, destroy, discard, shred) any Ceph data (ceph 데이터 제거)
purge - Remove Ceph packages from remote hosts and purge all (ceph 패키지 삭제)
삭제
# ceph-deploy purge <host1> <host2> <host3>
# ceph-deploy purgedata <host1> <host2> <host3>
설치
# ceph-deploy install --release <Ceph_Version> <host1> <host2> <host3>
# ceph-deploy admin <host1> <host2> <host3>
# ceph-deploy osd create --data /dev/sda <host1>
