#!/bin/bash
set -e


parted /dev/sda mklabel msdos
parted /dev/sda mkpart primary 1 440GiB
parted /dev/sdb mklabel msdos
parted /dev/sdb mkpart primary 1 440GiB

mdadm -C /dev/md0 -l1 -n2 /dev/sda1 /dev/sdb1 <<< yes