<b>now using your favourite editor, add these lines to the end of rc.local</b>
{|sleep 30
mdadm --manage --stop /dev/md0
sleep 5
mdadm --assemble /dev/md0 --auto=md /dev/sd[a-b]1
#mdadm --assemble /dev/md0 -amd /dev/sda1 /dev/sdb1 |}
Substitute sd[a-b]1 in the 4th line and /dev/sda1 /dev/sdc1 in the 5th line to suite your personal setup