[Bug 803658] Re: grub-install /dev/mapper/isw_$UUID_$NAME0 failing with ICH10R raid 1+0

[Robert Collins]

$ sudo /usr/sbin/grub-probe --device-map=/boot/grub/device.map --target=drive --device /dev/mapper/isw_bichcdfhcg_ARRAY0
(hd0)

IIRC That means its all happy, and the other errors are for higher order
partitions.

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Title:
  grub-install /dev/mapper/isw_$UUID_$NAME0 failing with ICH10R raid 1+0

Status in “grub2” package in Ubuntu:
  Fix Released

Bug description:
  /usr/sbin/grub-probe: error: cannot find a GRUB drive for
  /dev/mapper/isw_bichcdfhcg_ARRAY0.  Check your device.map.

  is the error.

  the array has four drives in it:
  /dev/sda	1000204886016	ATA ST31000528AS
  /dev/sdb	1000204886016	ATA ST31000528AS
  /dev/sdc	1000203804160	ATA SAMSUNG HD103UJ
  /dev/sdd	1000203804160	ATA SAMSUNG HD103UJ
  /dev/mapper/isw_bichcdfhcg_ARRAY0	2000402251776	Linux device-mapper (striped)
  /dev/mapper/isw_bichcdfhcg_ARRAY0-1	1000201129984	Linux device-mapper (mirror)
  /dev/mapper/isw_bichcdfhcg_ARRAY0-0	1000201129984	Linux device-mapper (mirror)
  /dev/mapper/isw_bichcdfhcg_ARRAY0p1	41094144	Linux device-mapper (linear)
  /dev/mapper/isw_bichcdfhcg_ARRAY0p2	9141485568	Linux device-mapper (linear)
  /dev/mapper/isw_bichcdfhcg_ARRAY0p3	104857600000	Linux device-mapper (linear)
  /dev/mapper/isw_bichcdfhcg_ARRAY0p5	4194304000	Linux device-mapper (linear)
  /dev/mapper/isw_bichcdfhcg_ARRAY0p6	1882164559872	Linux device-mapper (linear)

  the root device is striped on two mirror devices : so the right drive
  to use is a stripe set (with in this case 64k stripes) - but the bios
  will bring it up... I'm not sure (yet) why grub-probe needs to care.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: grub-pc 1.99~rc1-13ubuntu3
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  Architecture: amd64
  Date: Thu Jun 30 09:43:42 2011
  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub2
  UpgradeStatus: No upgrade log present (probably fresh install)

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