ec2-raid0.sh

#!/bin/sh

# find out if we're sudo
if [ $(id -u) -ne 0 ]; then
  echo "Nope. Simon didn't say so.";
  exit 1;
fi

target="/dev/md0"
mountpoint="/data"

dev1="/dev/xvdb"
dev2="/dev/xvdc"

mdadm --create "${target}" --level=0 --raid-devices=2 "${dev1}" "${dev2}"

mkfs.ext4 /dev/md0

mkdir -p "${mountpoint}"

mount "${target}" "${mountpoint}"