A.Back up the data， remove the failing disk from the volume group， then restore the data to the new disk.
B.Use the migratepv command to move data from one disk to another and then remove the failing disk from the volume group.
C.Use the mirrorvg command to mirror the data to the new disk， break the mirror and then remove the failing disk from the volume group.
D.Create a new filesystem on the new disk and use the mv command to move the data to the new filesystem， and then remove the failing disk from the volume group.

A.The placement of the logical volume
B.The stripe size of the logical volume
C.The upper bound of the logical volume
D.The intra-policy of the logical volume