#!/bin/bash

PATH=/bin
export PATH

mount -t proc proc /proc
mount -t sysfs sys /sys
mount -t tmpfs tmp /tmp
mount /dev/hda / -o rw,remount

clean_blocks()
{
	for i in {1..6}
	do
		dd if=/dev/zero bs=1M count=1 of=/dev/loop$i
	done
}

set -x 

cd /tmp

exec >/log 2>/log

#
# create some file
#

for i in {1..6}
do
	dd if=/dev/zero bs=1M count=1 of=file$i
	losetup /dev/loop$i file$i
done

mdadm --version

#
# create raid
#

mdadm --create /dev/md0 --level=4 --raid-devices=2 /dev/loop{1..2}
mdadm --add /dev/md0 /dev/loop{5..6}
mdadm --grow /dev/md0 --level=0 --raid-devices=4
mdadm --grow /dev/md0 --level=1 --raid-devices=4
mdadm --grow /dev/md0 --level=5 --raid-devices=4
mdadm --grow /dev/md0 --level=6 --raid-devices=4
mdadm --stop /dev/md0

clean_blocks

mdadm --create /dev/md0 --level=5 --raid-devices=2 /dev/loop{1..2}
mdadm --add /dev/md0 /dev/loop{5..6}
mdadm --grow /dev/md0 --level=0 --raid-devices=4
mdadm --grow /dev/md0 --level=1 --raid-devices=4
mdadm --grow /dev/md0 --level=4 --raid-devices=4
mdadm --grow /dev/md0 --level=6 --raid-devices=4
mdadm --stop /dev/md0

clean_blocks

mdadm --create /dev/md0 --level=6 --raid-devices=4 /dev/loop{1..4}
mdadm --add /dev/md0 /dev/loop{5..6}
mdadm --grow /dev/md0 --level=0 --raid-devices=6
mdadm --grow /dev/md0 --level=1 --raid-devices=6
mdadm --grow /dev/md0 --level=4 --raid-devices=6
mdadm --grow /dev/md0 --level=5 --raid-devices=6
mdadm --stop /dev/md0

exec >/dev/null 2>/dev/null

dmesg > /dmesg
zcat /proc/config.gz > /config

sync
sync
sync
mount /dev/hda / -o ro,remount

sync
sync
sync
poweroff -d -f