[Bug 1328320] Re: fresh install fails on RAID 1 with failure to update grub

[Martin G Miller]

There was nothing wrong with the install media.

It only took me about 10 hours to figure out what was going on.  It is
complex and involves dmraid and mdadm  and boot repair  as well as
manually setting up the partitions in the installer.  Grub refuses to
install no matter how you set the partitions in the installer, so you
have to run boot repair twice to fix everything.

It eventually ends up running in RAID 1 using dmraid.

If you do it right, you can install Ubuntu 14.04 to a software RAID 1,
but it is complex.  I posted the full instructions on the Ubuntu
formus......
http://ubuntuforums.org/showthread.php?t=2229126&p=13047160#post13047160

It would be nice if the "Something Else" choice in the installer offered
to help you set up simple software RAID sets using the included dmraid
package.   Something to add to Wish List perhaps?

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https://bugs.launchpad.net/bugs/1328320

Title:
  fresh install fails on RAID 1 with failure to update grub

Status in “ubiquity” package in Ubuntu:
  Incomplete

Bug description:
  doing a fresh install on an intel z87 motherboard with the intel soft
  raid set up for RAID 1.  The installation only proceeds if I select
  LVM in the how to install area along with use entire disk.  The
  install prceeds normall until it tries to update the kernel at which
  point it fails to update grub and the install ceases.  I suspect, it
  has written grub someplace it should not have.  IF I try to start the
  insatall over it says the LVM name is in use.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubiquity 2.18.7
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  CasperVersion: 1.340
  Date: Tue Jun 10 00:30:06 2014
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash --
  LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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