On Sun, Sep 25, 2016 at 10:16:24PM +0100, Wols Lists wrote: > This is a great way for learning lots about raid :-) > > I'm planning a section on setting up a new system, and I need to know > what will happen if you give entire drives to mdadm. > > Does it leave the first 2 megs empty? Basically, what I'm asking is if I do > > mdadm --create /dev/md/bigarray -add /dev/sda /dev/sdb /dev/sdc > > (note I am passing the entire drive, not the first partition) and then I > install grub on those drives, will I trash the array? There is already a section in the wiki: https://raid.wiki.kernel.org/index.php/Preventing_against_a_failing_disk Which should be updated for 2TB+ disks. best regards Keld -- 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