[Bug 1577895] [NEW] fail to install grub on existing raid5 -> luks -> lvm system

[Gallomimia]

Public bug reported:

This isn't so much a bug but a design flaw. I have a non-typical drive
configuration. In using the Live session I manually installed mdadm,
assembled a raid of 3 disks, unlocked luks container, tweaked some LVM
stuff, and ran the installer on a new LV, to dual-boot beside an old
install of ubuntu-unity 14.04

I should be able to complete the grub install manually.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CasperVersion: 1.376
Date: Tue May  3 11:36:10 2016
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu-mate.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
ProcEnviron:
 LANGUAGE=en_CA.UTF-8
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug ubiquity-2.21.63 ubuntu-mate xenial

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https://bugs.launchpad.net/bugs/1577895

Title:
  fail to install grub on existing raid5 -> luks -> lvm system

Status in grub-installer package in Ubuntu:
  New

Bug description:
  This isn't so much a bug but a design flaw. I have a non-typical drive
  configuration. In using the Live session I manually installed mdadm,
  assembled a raid of 3 disks, unlocked luks container, tweaked some LVM
  stuff, and ran the installer on a new LV, to dual-boot beside an old
  install of ubuntu-unity 14.04

  I should be able to complete the grub install manually.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.376
  Date: Tue May  3 11:36:10 2016
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu-mate.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  ProcEnviron:
   LANGUAGE=en_CA.UTF-8
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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