An administrator has defined a new virtual SCSI server device, vhost0, to support a client LPAR
on a new system. A disk, hdisk2, has been presented from a SAN to the VIO server. The
administrator attempts to map the disk on the VIO server using the following command. mkvdev -vadapter vhost0 -dev hdisk2 -vdev client_rootvgThe error ‘client_rootvg” is not a valid backing
device’ was received. Which of the following explains the error?

A.
The disk is already allocated to another VIO server

B.
The virtual target device “client_rootvg” is already in use.

C.
The disk is formatted at 522 bytes/block.

D.
The -dev and -vdev flags have the incorrect parameters.

Explanation: