1 A command taking no args:
4 rbd: too many arguments
7 A command taking one arg:
10 rbd: too many arguments
13 A command taking two args:
15 $ rbd copy img1 img2 junk
16 rbd: too many arguments
19 A command taking three args:
21 $ rbd lock remove img1 lock1 locker1 junk
22 rbd: too many arguments
25 A command taking unlimited args:
27 $ rbd feature enable img1 layering striping exclusive-lock object-map fast-diff deep-flatten journaling junk
28 rbd: the argument for option is invalid
31 $ rbd feature disable img1 layering striping exclusive-lock object-map fast-diff deep-flatten journaling junk
32 rbd: the argument for option is invalid