This bug was fixed in the package grub-installer - 1.78ubuntu22
--------------- grub-installer (1.78ubuntu22) utopic; urgency=medium
* Handle partitioned /dev/mdNNN devices, installing to the corresponding disk instead (LP: #1370368). -- Colin Watson <email address hidden> Fri, 26 Sep 2014 15:50:41 +0100
This bug was fixed in the package grub-installer - 1.78ubuntu22
---------------
grub-installer (1.78ubuntu22) utopic; urgency=medium
* Handle partitioned /dev/mdNNN devices, installing to the corresponding
disk instead (LP: #1370368).
-- Colin Watson <email address hidden> Fri, 26 Sep 2014 15:50:41 +0100