I have about 200 gb syncing across 2 raspberrys pi , 2 pcs and a macbook. I'm using it for nearly 2 years. No disc crash , no file missing . I have the raspberrys auto mount the disc and auto start btsync (even if the power fails at my home for some reason). One raspberry is at home and the other at my office. I use them as mini servers for btsync and the main pcs and macbook for every change I make. You will not have any problem if you set it right at the beginning