Mac Mini with Striped RAID won't boot

Hello all,
I have a Mac Mini Server which I've installed Lion (not server!) on. I set it up with a striped RAID (two internal 500GB HDDs) and it worked great for weeks until I shut it down for the first time. Now it won't boot back up... I just get the Apple logo and the spinning wheel. When I boot off a rescue drive, I don't see any errors related to the RAID. It just says it's "Online." None of the buttons for things like Verify and Repair seem to do anything when I click them.
When I hold down option upon turning the power on, I see "RAID 1" and "RAID 2." I don't know where those names came from, they aren't anything I set during the Lion install and RAID setup. I've tried selecting both, and all I see is the Apple logo and spinning wheel.
I'm hoping some of you have ideas! I also tried holding down the power button until the Mini rebooted itself, but that has not helped.

Hi, I think you'll have to Install Lion again to an external drive, or even a big enough Flash Drive to get any further.

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