[Bug 1092148] Re: unable to install GRUB2 on RAID 0 (stripe) on dual-boot windows 7 + ubuntu 12.10

[Dmitrijs Ledkovs]

Sorry about your deadline. =/

Currently we do not have support for mdadm with external metadata (aka
Intel Rapid/Matrix Storage) in the installer and hence we still use
dmraid which has trouble reading large volumes.

Also grub-installer currently does not seem to handle imsm correctly.
See related patch at:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699434

** Bug watch added: Debian Bug tracker #699434
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=699434

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https://bugs.launchpad.net/bugs/1092148

Title:
  unable to install GRUB2 on RAID 0 (stripe) on dual-boot windows 7 +
  ubuntu 12.10

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

Bug description:
  I have tried to install 12.10 on RAID 0, Intel's DX79TO motherboard with X79 chipset in variety of ways - none worked. Last attempt involved:
  1.Create RAID 0 volme
  2.Install windows 7 on half of this volume
  3.Start 12.10 liveCD
  4.Run gparted
      a)it complains about GPT not being at end of disk - I clicked FIX
      b)it complains about other proble (can't remember) - I clicked FIX
  5.Created 2 partitions on free space:
      a) root (/)
      b) swap
  6.closed gparted, started 12.10 installation
  7.At partitioning step "choose something else" I have mapped mountpoint "/" and swap to recently created partitions, and set to install GRUP in main volume /dev/isw_dijcfjjjac_SYSTEM, not any partition on it.
  8.Instalator complained it can't install GRUP
  9. I have tried to change GRUB destination to other partitions - none worked
  10.filled this bug report.

  Let me know if you need additional information. I have a deadline to
  install Ubuntu until end of 2012, after that i'll have to give up and
  give PC to user with windows only :(

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: ubiquity 2.12.16
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Uname: Linux 3.5.0-17-generic x86_64
  ApportVersion: 2.6.1-0ubuntu3
  Architecture: amd64
  CasperVersion: 1.328
  Date: Wed Dec 19 16:33:08 2012
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash --
  LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  ProcEnviron:
   TERM=unknown
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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