# ceph-deploy --version
1.5.38
1.5.38 에서는 --data 옵션이 없음
※ usage: ceph-deploy osd create [-h] [--zap-disk] [--fs-type FS_TYPE]
[--dmcrypt] [--dmcrypt-key-dir KEYDIR]
[--bluestore] [--block-db BLOCK_DB]
[--block-wal BLOCK_WAL]
HOST:DISK[:JOURNAL] [HOST:DISK[:JOURNAL] ...]
# ceph-deploy osd create --data /dev/vdb osd-0
usage: ceph-deploy [-h] [-v | -q] [--version] [--username USERNAME]
[--overwrite-conf] [--cluster NAME] [--ceph-conf CEPH_CONF]
COMMAND ...
ceph-deploy: error: unrecognized arguments: --data
# ceph-deploy --version
2.0.1
※ usage: ceph-deploy osd create [-h] [--data DATA] [--journal JOURNAL]
[--zap-disk] [--fs-type FS_TYPE] [--dmcrypt]
[--dmcrypt-key-dir KEYDIR] [--filestore]
[--bluestore] [--block-db BLOCK_DB]
[--block-wal BLOCK_WAL] [--debug]
[HOST]
