Zyxel NSA325v2 How to mount a ntfs as internal disk

First, determine new disk:
$ su
enter your password

$ fdisk -l

$ mount -t tntfs -o iostreaming,noatime,ioblocksize=1048576,min_iostreaming_read_iosize=524288,min_iostreaming_write_iosize=1048576,nls=utf8 /dev/sdb1 /e-data/4T