That's a tough question. This is looking like a completely different game mechanically. In the end, if you like a story driven rpg (albeit quite dated translation wise) give the original a go. Hell, i say do it any way since you can find it on literally any platform now. That said, storywise, yeah you should be able to enjoy this one without having played the original. Should be a good starting point for new players.
This one is looking alot more hack n slash than I anticipated. Not saying thats bad, because it looks damn fun, its just alot different. Still not sold on the two disc thing, but if anything its looking like a damn good time.