[Bug 1258111] Re: Ubuntu installer unable to install GRUB to software raid

[Dmitrijs Ledkovs]

On 6 December 2013 02:12, Phillip Susi <psusi at ubuntu.com> wrote:
> It has been possible in the past since they were managed by dmraid and
> grub had hooks to recognize that and understand that the bios recgonizes
> the array as a single drive.  I started some discussion upstream maybe a
> year ago about how to proceed with the mdadm transition and being able
> to detect whether or not the bios handles the raid but it was never
> resolved.  If you are working on the mdadm migration that is something
> you will need to work out.
>

Interesting, but the on-disk format for DDF and IMSM is the same, so
how can grub know if it's dmraid vs something else managed?
Will take a look. Thanks.

Regards,

Dmitrijs.

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https://bugs.launchpad.net/bugs/1258111

Title:
  Ubuntu installer unable to install GRUB to software raid

Status in “grub-installer” package in Ubuntu:
  Invalid

Bug description:
  Ubuntu installer unable to install GRUB to software raid

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: ubiquity 2.15.26
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.336ubuntu1
  Date: Thu Dec  5 13:19:20 2013
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash --  nomodeset
  LiveMediaBuild: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MarkForUpload: True
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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