Attached to my iMac will be a couple of external HDDs in RAID 0. If I back my Mac up to an external HDD attached to my Airport Extreme, will it backup my DAS that is hooked up to my Mac? If so, then if my External RAID 0 drives failed and I replaced them, would Time Machine know to restore my external drive content to the replaced ones? If not, should I be using another backup system such as CarbonCopy? Thank you.