Tak mi to hodilo nasledujici:
ubuntu@ubuntu:~$ sudo mkdir /media/disk
ubuntu@ubuntu:~$ sudo mount -t ntfs /dev/sda1 /media/disk -o nsl=utf8,umask=0222
mount: wrong fs type, bad option, bad superblock on /dev/sda1,
missing codepage or other error
In some cases useful info is found in syslog - try
dmesg | tail or so