This is a bash script for mounting the /dev/mdX in the recovery mode for server4you (and not only) physical servers and then chroot into it.
Call with wget -O - https://raw.githubusercontent.com/theodotos/arena/master/s4y_chroot.sh | bash
wget -O - https://raw.githubusercontent.com/theodotos/arena/master/s4y_chroot.sh | bash