[Bug 1017899] Re: Grub Fails to install on designated partition seperate from raid array.

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

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

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https://bugs.launchpad.net/bugs/1017899

Title:
  Grub Fails to install on designated partition seperate from raid
  array.

Status in grub-installer package in Ubuntu:
  Confirmed

Bug description:
  I am attempting to install 12.04 onto a raid array. I told the
  installer to put /boot and grub2 on a seperate drive because my MB's
  sata controller can't see grub or boot if I put them on my sata3 6gb
  drives for some reason.

  When I run the installer everything goes fine till it tries to install
  grub. It attempts to install it on each of the disk in my raid array
  instead of the HDD I told it to install on. It then pops up one error
  dialog per a drive in the array (for RAID5 you can see how this could
  get really annoying) each time asking for a different device to
  install on. I tell it each time to use the HDD that is not part of the
  array and not on the same controller. each time it acts like
  everything is fine, but then closes the installer with a failure
  dialog and directs me to launchpad to post this bug. The drives in the
  array are sata3 6gb/s SSD's on a marvel controller. The drive I'm
  trying to assign grub to had Grub2 on it previously and worked fine.
  It's a sata2 3gb/s on an intel controller. All drives are AHCI for
  sata mode.

  To reproduce:

  1.) Install mdadm and create RAID array using GPT with EXT4 partitions
  in disk utility, it doesn't matter the type of RAID as it has done it
  on RAID10 RAID1 and RAID5 thus far. Make sure to set the disk as linux
  raid disk in disk utility or it won't see them.

  2.) Mount the array in Disk utility to confirm it works and is
  mountable after editing mdadm.conf to add the array by uuid. Check for
  errors with disk utility to make sure it's clean, then unmount.

  3.) Run the installer. In my case the array shows up as /dev/md0 and I
  can also see the individual drives. When you get to partioning select
  manual mode.

  4.) Set the drive to install grub as something else besides the array.
  In my case it was sdb while the array is md0 and the array drives are
  sdh, sdi, sdj, and sdk.

  5.) Run the installer and watch the errors fly. You will get one per a
  drive in the array.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.10.16
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: amd64
  CasperVersion: 1.315
  Date: Tue Jun 26 03:56:17 2012
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  ProcEnviron:
   TERM=unknown
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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