#!/bin/sh
umount /mnt
yes | mdadm --create /dev/md0 --raid-devices=2 --level=1 /dev/xvdb /dev/xvdc
blockdev --setra 4096 /dev/xvdb
blockdev --setra 4096 /dev/xvdc
blockdev --setra 4096 /dev/md0
mkfs.xfs /dev/md0
echo "/dev/md0   /srv  xfs    noatime,barrier 1 1" >> /etc/fstab
mount /srv

pg_ctlcluster 9.1 main stop
mv /var/lib/postgresql /srv
ln -s /srv/postgresql/ /var/lib
pg_ctlcluster 9.1 main start