Are you building the recipe for installation manually or is this install done with the use of a pre-made recipe?
I'm afraid automatic recipes won't properly identify the PReP partition when it comes up on a RAID (md) device; while it may work properly in the installer, it would likely not be detected correctly by the system when booting. ** Changed in: debian-installer (Ubuntu) Status: New => Incomplete ** Changed in: debian-installer (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1487365 Title: Ubuntu14.04 .3 RAID installation fails on firestone To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debian-installer/+bug/1487365/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs