If one drive is shot, then the data on the whole array is lost. Raid 0 doesn't give you much advantage in speed with these faster disks anyways, if any at all, so this type of thing you experienced is exactly why raid 0 isn't worth it.
You could TRY putting the crapped out drive in the freezer in a ziplock bag for a few hours, then put it back in. If all goes well you'll have enough time to copy off your old data before it craps out for good.
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