Which command will switch a device group, named ds1, from node1 to node2?

Which command will switch a device group, named ds1, from node1 to node2?

A.
cldg switch -n node2 ds1

B.
haswitch -d ds1 -h node2

C.
node1 > metaset -s ds1 -r
node2> metaset -s ds1 -t

D.
clswitch ds1 from node1 to node2