Большой виртуальный диск поверх fat32

#!/bin/bash
MD_DIR=/mnt/ipod/01my

modprobe linear
modprobe loop

case  "$1" in
    start)
        cd $MD_DIR
        for N in `seq 0 7`; do losetup /dev/loop$N md_dev$N; done
        mdadm -A /dev/md0 /dev/loop{0,1,2,3,4,5,6,7}
        mount /dev/md0 /mnt/ipod_linear
        ;;

    stop)
        #STOP
        mdadm --manage --stop /dev/md0
        for N in `seq 0 7`; do losetup -d /dev/loop$N; done
        ;;

    *)
        echo -e "Usage:\n$0 [start|stop]"
        ;;
esac