> Just tell mdadm what you want and it will do it, or report that it cannot. Um, OK, I tried it, and it failed: Backup:/# mdadm --grow /dev/md0 --level=6 mdadm: no changes to --grow -- 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