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Re: Trouble booting off an md device with grub 1.99
From: |
Vladimir 'φ-coder/phcoder' Serbinenko |
Subject: |
Re: Trouble booting off an md device with grub 1.99 |
Date: |
Wed, 20 Jun 2012 08:58:49 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.4) Gecko/20120510 Icedove/10.0.4 |
On 20.06.2012 02:57, Bernie Innocenti wrote:
> (adding bug-grub@)
>
> Hello,
>
> I've created an md root partition on a couple of drives and installed
> grub in the master boot record the usual way:
>
> mount --bind /dev /newroot/dev
> mount --bind /sys /newroot/sys
> mount --bind /proc /newroot/proc
> chroot /newroot
> grub-install /dev/sda
> grub-install /dev/sdb
> exit
> # umount everything and reboot
>
> After this, the machine won't boot off the new drives. It will simply
> hang with a black screen after the POST, when the grub menu would
> normally come up. It looks almost like the mbr can't locate the blocks
> to load next.
>
Do you see "GRUB" or "Welcome to GRUB" messages?
> I also tried booting off a USB stick and using --boot-directory from the
> live distro rather than chrooting. I also tried specifying '(hd0)' and
> '(hd1)' instead of the device nodes.
>
> This is grub_1.99-21ubuntu3.1 on Precise. The md is raid1 with metadata
> 0.90 and the filesystem is ext4 with the flex_bg and uninit_bg features.
>
Could you try latest upstream bzr? Ubuntu decided that it's unestethic
to show progress messages and removed them making it impossible to
handle problem like yours.
> I used this trick a million times with all versions of grub and this is
> the first time I observe such behavior. Any ideas?
>
--
Regards
Vladimir 'φ-coder/phcoder' Serbinenko
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