fstab and mounting were among the more difficult concepts for me to understand when I started with Linux.
You need to know how the system is seeing the partition you wish to mount; the fdisk -l
command mentioned above will tell you that. Then you need a mount point, which you already have created. Then you need to string them together properly. You may also need additional arguments, depending on what you need to accomplish.
Here is the best fstab tutorial I have found (though it stops short of UUIDs). It should help a lot with those concepts.
(When I tested this post, the link above was having issues, so here's a link to another excellent article
Here's a bit from my /etc/fstab for mounting a partition on my external HDD. The first line, the one that's remarked out, shows the entry I used to have. The second line shows the entry as I edited it to use the UUID (when I'm doing this sort of editing, I keep the old entry in case I mess up the new one):
# /dev/sdb5 /media/sdb5 ext3 rw,user,auto 0 1
UUID=7900ade7-de36-41e5-88b5-2d7aaa8adcd4 /media/sdb5 ext3 rw,user,auto 0 1