Neil, re http://bugs.debian.org/658701 , how do you think, is it okay if mdadm --monitor will send email in case check found mismatches, the same way it sends email about other more critical errors? I think Russell has a good point here, but there's one more source of mismatches we have in kernel - some "sporadic" mismatches in raid1 and raid10, especially when these are used as swap space... In Debian we've several bugreports already requesting more attention to mismatch_cnt, see: http://bugs.debian.org/658701 (this one) http://bugs.debian.org/599821 http://bugs.debian.org/588516 Thank you! /mjt -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html