$ ceph rbd -h | sed -n '/^ Monitor commands: $/,$p'
Monitor commands:
=================
+ rbd mirror group snapshot schedule add Add rbd mirror group snapshot schedule
+ <level_spec> <interval> [<start_time>]
+ rbd mirror group snapshot schedule List rbd mirror group snapshot schedules
+ list [<level_spec>]
+ rbd mirror group snapshot schedule Remove rbd mirror group snapshot
+ remove <level_spec> [<interval>] schedule
+ [<start_time>]
+ rbd mirror group snapshot schedule Show rbd mirror group snapshot schedule
+ status [<level_spec>] status
rbd mirror snapshot schedule add Add rbd mirror snapshot schedule
<level_spec> <interval> [<start_time>]
rbd mirror snapshot schedule list List rbd mirror snapshot schedule