To be honest it sounds like this is not a bug at all to me. It sounds like the OP was following the fakeraid howto so he probably created the partition himself with fdisk and left the partition tag as fat instead of Linux. This doesn't really matter at all other than looking odd.
To be honest it sounds like this is not a bug at all to me. It sounds like the OP was following the fakeraid howto so he probably created the partition himself with fdisk and left the partition tag as fat instead of Linux. This doesn't really matter at all other than looking odd.