Eventually = 1 to 2 days. And yes it is a RAID 1 config. 2 hard drives the secondary being the mirror in the event that the primary drive physically fails. I'm not trying to be an ass but check out this link for RAID info:

http://www.accs.com/p_and_p/RAID/

And since I've posted my question no problems have arisen yet (yet being the key word).