dd if=/dev/dvd of=dvd.iso
mkisofs -o winxp_sp3.iso -iso-level 2 -J -l -D -N -joliet-long -relaxed-filenames -b boot.img -c boot.catalog -no-emul-boot -boot-load-seg 1984 -boot-load-size 4 -V X1APVOL_EN ./XPSP3
mount -o loop disk1.iso /mnt/disk