On 5 Jul 2017, Wols Lists spake thusly: > My feeling was, if you can't just add drives to the existing raid 10, > create a new one which you can expand, migrate the fs across (btrfs > would let you do that live, I believe, so xfs probably can too), then > you can scrap the old raid-10 and add the drives into the new one. In extremis you can always connect multiple block devices into one, or indeed multiple *pieces* of them into one, using dmsetup with the linear table. (However, this is not persistent, so you'd need to script redoing it on every boot.) -- NULL && (void) -- 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