David Greaves <david@xxxxxxxxxxxx> wrote: > Haven't you seen the special 'make_undetectable_error(float p)' function? dd if=/dev/urandom of=/dev/hda1 bs=512 count=1 skip=$RANDOM Peter - 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