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.
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