> Any hint/advice welcome. > Thank you. :-) There's a section on extending an existing array on the raid wiki that I believe covers what you're trying to do. I've never had any problems using the approach that's documented there. https://raid.wiki.kernel.org/index.php/Growing Regards, Tregaron -- 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