Am Dienstag, 3. Januar 2012, 21:57:18 schrieb Jeff Cranmer: > Hi all, > > I have recently built a new system, running Gentoo on a Sabertooth 990FX > motherboard. The board has a raid controller on which I'm running a > 120GB solid state drive for the OS (Raid 0) and a set of three 1.5TB > drives which were previously running as a RAID5 array.
no, it does not have a raid controller. It is bios raid. AKA fake raid. You will have less trouble if you stop using it. google for mdadm. There are some very nice howto's.

