[Bug 877986] Re: Ubuntu 11.10 fails to install on a nvidia onboard RAID0

[Launchpad Bug Tracker]

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

** Changed in: ubiquity (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/877986

Title:
  Ubuntu 11.10 fails to install on a nvidia onboard RAID0

Status in “ubiquity” package in Ubuntu:
  Confirmed

Bug description:
  Tried to install ubuntu 11.10 alongside with Win7 on a asus p5n32-e
  sli with nvidia raid on-board.

  Have tried different types of raid configs and also installing with
  the default "install with window7"

  First times the installer went through, but only used 1 part of the mirrored RAID1 (although gparted in the installer detected the RAID1 as 1 disk ( /dev/mapper/nvidiablablabla) 
  Reboot: Grub did not display the windows installation anymore, since Win7 was installed on both HDs mirrorde as it was a mirror. 

  then, when making boot-repair from yanubuntu, this seemed to install
  grub in the /dev/mapper/nvidiablabla MBR, but then the startup failed
  from grub with: invalid environment block

  So I reconfigured the RAID set to a raid0, cleared the disks with the raid manager, installed windows again. 
  Started the installation with the ubuntu 11.10 cd again and.... grub failed to install on /dev/mapper/nvidiaxxxxx 

  This happens with manual installation, with the guided install.

  Also tried to install grub on a different partition, not on the
  /dev/mapper/nvidiaxxxxx disk directly, but no success.

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