On Thursday October 25, david@xxxxxxxxxxxx wrote: > I think the only time you need to 'delete' an array before creating a new one is > if you change the superblock version since it quietly writes different > superblocks to different disk locations you may end up with 2 superblocks on the > disk and then you get confusion :) > (I'm not sure if mdadm is clever about this though...) > Mdadm tries to be clever. When creating an array, it zeros any superblocks that it finds on the array in any of the expected locations. And when guessing the metadata format used, if it find two or more, it chooses the one with the more recent create timestamp. 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
