On Sat, Feb 22, 2014 at 18:33:17 -0700, Chris Murphy <lists at colorremedies.com> wrote: > > The bootable raid1 case is actually fragile due to the use of mdadm version 0.9 metadata; I believe that version 1.0 is used for boot partitions, not 0.9. That way they still work with bootloaders that don't understand md raid.