On Mon, 30 Jun 2003, Martin Bene wrote: > Is there any way to do this with SW raid? I truly hate situations where > some sectors on a drive fail silently and you don't notice until a 2nd > drive dies and you find you can't recostruct your raid data becaus of > silent "bitrot". Try badblocks -v -s /dev/md0 Check the man page for various options, etc. You might actually want to read the raw partitions rather than reading through the md driver - eg. badblocks /dev/hda1, etc. so do this twice for each partition of a RAID1, and N times for each slice of a RAID5 ... Gordon - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html