[ubuntu] Raid 5 array has gone AWOL!

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http://ubuntuforums.org – I have a motherboard with an NVIDIA raid controller on it. I used to use it until it became unstable. Constantly showing the status upon POST as "Degraded." So I decided to use the Disk Utility to create a new raid 5 with the same hard drives. I found out that one of the hard drives failed, so I bought another one. After about an hour waiting for it to finish syncing the new drive. Another one failed. I used the disk utility to stop the array and find the problem. Turns out there is one (1) bad sector on another disk. Now I can't do anything. I can't format, I can (Hardware)