[Bug 1765514] Re: Doing the 18.04-beta-2 install using RAID5 root partition. GRUB2 fails to write to disk.

[Phillip Susi]

Raid installs aren't supported by ubiquity.  As a workaround you can
install the mdadm package and configure the raid yourself ( and I assume
you did this ), but you must also then install the package in the target
system as well and install grub yourself.


** Changed in: grub-installer (Ubuntu)
       Status: New => Invalid

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Title:
  Doing the 18.04-beta-2 install using RAID5 root partition.  GRUB2
  fails to write to disk.

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  root at ubuntu:~# lsb_release -rd
  Description:	Ubuntu Bionic Beaver (development branch)
  Release:	18.04

  root at ubuntu:~# apt-cache policy grub-efi
  grub-efi:
    Installed: (none)
    Candidate: 2.02-2ubuntu8
    Version table:
       2.02-2ubuntu8 500
          500 cdrom://Ubuntu 18.04 LTS _Bionic Beaver_ - Beta amd64 (20180404) bionic/main amd64 Packages
          500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages

  Installer should've completed without error.

  Installed completed with error.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.4
  ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
  Uname: Linux 4.15.0-13-generic x86_64
  ApportVersion: 2.20.9-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.392
  Date: Thu Apr 19 13:48:20 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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