[X] involves the lvm stuffs [X] mdadm setup and command mdadm -v --create -c 256 /dev/md0 --level=0 --raid-devices=2 /dev/xvdf /dev/xvdg mdadm: chunk size defaults to 512K mdadm: Defaulting to version 1.2 metadata mdadm: array /dev/md0 started. [X] next is physical volume pvcreate /dev/md0 Physical volume "/dev/md0" successfully created [X] Next is volume group vgcreate vg0 /dev/md0 Volume group "vg0" successfully created [X] Next is logical volume