Bon, ben même avec un kernel 3.10-2,
ça veut pas © 
root@Weygand:/mnt/Data# cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
# / was on /dev/sda1 during installation
UUID=e4b12a05-8602-485f-ac9b-85c96a6abe62 / ext3 errors=remount-ro 0 1
# swap was on /dev/sda2 during installation
UUID=5178df4d-d773-4bac-8514-c12ddc3c6b0f none swap sw 0 0
/dev/sr0 /media/cdrom0 udf,iso9660 user,noauto 0 0
Data /mnt/Data vboxsf defaults 0 0
root@Weygand:/mnt/Data# mount -a
root@Weygand:/mnt/Data# ls
root@Weygand:/mnt/Data#
...