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Thread: 14.04 Server on Software RAID and UEFI

  1. #1
    Join Date
    Jul 2014
    Beans
    1

    14.04 Server on Software RAID and UEFI

    Hi there,

    i've spend some days on trying to fix this alone, but with no result so far:

    My Setup:
    2x1TB HDD in an computer with UEFI (no legacy mode/BIOS mode available), I want one big RAID 1 partition for my system (14.04 LTS server) over both plates.

    after various tests with different configurations i've used this one to get at least a GRUB shell at startup instead of nothing at all:
    http://getasysadmin.com/2012/08/inst...n-uefi-system/

    with the difference of not using a lvm. There is just one big RAID-partiton where everything is installed.

    As allready mentioned, after that, i'm only greeted with a GRUB shell at the beginning, no error or fault prompt.
    So I started my live-usb-system and tried the Boot-Repair utility. It failed and gives no solution besides posting the log:

    http://paste.ubuntu.com/7840850/

    So here are my questions:

    Was I wrong at the beginning? What is the configuration for RAID 1 and UEFI boot?
    Is my system fixable or do I need to reinstall it?

    Thanks in advance.

    Erik

  2. #2
    Join Date
    Jun 2009
    Location
    SW Forida
    Beans
    Hidden!
    Distro
    Kubuntu

    Re: 14.04 Server on Software RAID and UEFI

    Boot-Repair does not post the grub.cfg in the efi partition.
    That should be just a configfile entry pointing to the grub.cfg in your install.

    grub doesn't boot with efi and md raid root
    https://bugs.launchpad.net/ubuntu/+s...2/+bug/1229738
    RAID install with efi, need configfile and grub in efi partition.
    http://ubuntuforums.org/showthread.php?t=2190716
    http://askubuntu.com/questions/35572...-and-raid1-lvm

    Standard entry, I would expect yours to be to a md entry, not hd0 entry.

    configfile (hd0,gpt8)/boot/grub/grub.cfg
    found that putting grub.cfg into /EFI/ubuntu works, even when grubx64.efi is in /EFI/Boot

    something like this?
    set prefix='(md/0)/boot/grub'
    set root='(md/0)'
    configfile /boot/grub/grub.cfg
    Last edited by oldfred; July 23rd, 2014 at 04:46 PM.
    UEFI boot install & repair info - Regularly Updated :
    https://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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