>>438 めんどくさ。まぁ今更どうでもいいがな、>>432から引用すると >Many older IDE RAID 1 controllers read only from one disk in the pair, >so their read performance is always that of a single disk. >Some older RAID 1 implementations would also read both disks >simultaneously and compare the data to detect errors. だとさ。結局実装次第ちゅーこっちゃね。