We had one of those lovely powercuts which just killed 1 disk of a raidframe
mirror. I was hoping it would all just come back up in degraded mode with
component failed, but instead I don't have a raid0 device, so things like
raidctl -s raid0 just give "device not configured".. Have you any pointers
to documentation for recovery? (I find plenty on setup)

Cheers,

Patrick