This bug was fixed in the package grub-installer - 1.78ubuntu20.3
--------------- grub-installer (1.78ubuntu20.3) trusty; urgency=medium
* Properly handle systems on which there may be more than 26 disks, and our boot partition meant to be on a disk named [hsv]d[a-z][a-z]. (LP: #1479213)
-- Mathieu Trudel-Lapierre <email address hidden> Wed, 16 Sep 2015 13:03:13 -0400
This bug was fixed in the package grub-installer - 1.78ubuntu20.3
---------------
grub-installer (1.78ubuntu20.3) trusty; urgency=medium
* Properly handle systems on which there may be more than 26 disks, and our
boot partition meant to be on a disk named [hsv]d[a-z][a-z]. (LP: #1479213)
-- Mathieu Trudel-Lapierre <email address hidden> Wed, 16 Sep 2015 13:03:13 -0400