Lost mdadm superblock but not drives - can I rebuild the software RAID5?

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http://forums.fedoraforum.org – I have an old Athlon XP 3000 machine that I keep around as a file server. It's currently got three 1TB drives which I had setup as mdadm raid 5 on FC10. The machine's original drive held the superblock for the raid array and it just had a massive heart attack. I've searched, my biggest source being http://man-wiki.net/index.php/8:mdadm I can't tell if I can reassemble the superblock info lost with the original hard drive or if I've lost it all... :( (HowTos)