You have just finished mirroring the boot drive on your x86-based Solaris system. Your primary boot disk is c1d0p0 and your alternate boot disk is c2d0p0.
Which procedure must you perform to make the secondary submirror bootable?

A.
installboot /boot/grub/stage1 /boot/grub/stage2 /dev/rdsk/c2d0p0

B.
/sbin/installgrub /boot/grub/stage1 /boot/grub/stage2 /dev/rdsk/c2d0p0

C.
fdisk -b /usr/lib/fs/ufs/mboot -n /dev/rdsk/c2d0p0

D.
installboot /usr/platform/`uname -i`/lib/fs/ufs/bootblk /dev/rdsk/ c2d0s0