On Thu, May 21, 2009 9:10 am, Nix wrote: > So, anyone got a command that would help? I'm not even sure if this is > assembly or growth: it doesn't quite fit into either of those > categories. There must be a way to do this, surely? It is neither. It is management. mdadm --manage /dev/mdX --remove /dev/sdb6 mdadm --manage /dev/mdX --add /dev/sdb6 (The --manage is not actually needed, but it doesn't hurt). NeilBrown -- 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