On Sunday July 16, pwaldo@xxxxxxxxxxxxx wrote: > Thanks for the reply, Neil. Here is my version: > [root@paul log]# mdadm --version > mdadm - v2.3.1 - 6 February 2006 Positively ancient :-) Nothing obvious in the change log since then. Can you show me the output of mdadm -E /dev/hdd2 mdadm -E /dev/hda2 immediately after the failed attempt to add hdd2. Thanks, 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