From: Jes Sorensen <Jes.Sorensen@redhat.com>
To: jlcenter@comcast.net
Cc: linux-raid@vger.kernel.org
Subject: Re: Install grub2 to /dev/md126 fails
Date: Tue, 03 Jan 2012 11:55:31 +0100 [thread overview]
Message-ID: <4F02DEA3.4050901@redhat.com> (raw)
In-Reply-To: <760811954.244872.1325303953552.JavaMail.root@sz0019a.westchester.pa.mail.comcast.net>
On 12/31/11 04:59, jlcenter@comcast.net wrote:
> Hi,
>
> I've been trying to install Ubuntu 11.10 on a mdadm imsm raid1 array, but it fails installing grub. I had to chroot /target to install mdadm from the distribution. I've also upgraded to the latest version of mdadm, hoping this would fix the problem. This is the error I'm getting:
>
> root@ubuntu:/# grub-install --recheck /dev/md/V1
> /usr/sbin/grub-probe: error: no such disk.
> Auto-detection of a filesystem of /dev/md126p3 failed.
> Try with --recheck.
> If the problem persists please report this together with the output of "/usr/sbin/grub-probe --device-map="/boot/grub/device.map" --target=fs -v /boot/grub" to <bug-grub@gnu.org>
>
> Here's how mdadm sees my config:
>
> root@ubuntu:/dev# mdadm --examine --scan
> ARRAY metadata=imsm UUID=92ae2913:95d651ca:62154f33:7069b04c
> ARRAY /dev/md/V1 container=92ae2913:95d651ca:62154f33:7069b04c member=0 UUID=71b12777:c6a51a84:5b0f1d11:0bd6e497
>
> I also tried with several variations of /dev/md126, etc., but always with the same result. I also tried to install directly to one of the disks in the array, but this didn't work, either. When I ran grub-probe, I got the following error:
>
> /usr/sbin/grub-probe: info: opening mduuid/71b12777c6a51a845b0f1d110bd6e497,3.
> /usr/sbin/grub-probe: error: no such disk.
>
> What could be causing this problem? How do I fix it? Please let me know if I need to supply more information to troubleshoot this problem.
Did your raid device(s) get added to /boot/grub2/device.map correctly?
If not, does it install properly if you add the devices there manually?
I've had a pile of problems with grub2 on Fedora, including something
like this.
Cheers,
Jes
next prev parent reply other threads:[~2012-01-03 10:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-31 3:59 Install grub2 to /dev/md126 fails jlcenter
2012-01-02 23:34 ` NeilBrown
2012-01-06 3:43 ` jlcenter
2012-01-03 10:55 ` Jes Sorensen [this message]
2012-01-04 1:35 ` jlcenter
2012-01-04 2:24 ` Jérôme Poulin
2012-01-06 15:32 ` jlcenter
2012-01-07 15:39 ` John Robinson
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