Fedora 16 preupgrade with grub2 failure.

[Michael D. Setzer II]

What I put in my grub.conf file that worked is:

title Fedora16
        root (hd0,0)
	kernel /vmlinuz-3.2.7-1.fc16.i686 
root=/dev/mapper/VolGroup00-LogVol00
	initrd /initramfs-3.2.7-1.fc16.i686.img


On 26 Feb 2012 at 17:03, Julius Smith wrote:

Date sent:      	Sun, 26 Feb 2012 17:03:19 -0800
Subject:        	Re: Fedora 16 preupgrade with grub2 failure.
From:           	Julius Smith <jos at ccrma.stanford.edu>
To:             	Community support for Fedora users 
<users at lists.fedoraproject.org>

> I just did a preupgrade from F15 to F16 and fell into this trap, or
> something similar.
> 
> From a rescue disk boot (F12 is the latest I had lying around), I can
> see both grub and grub2 directories in /boot.  The grub2 dir looks set
> up, but when booting grub/grub.conf is accessed, and it points to the
> preupgrade "kernel" which no longer exists.  I tried setting
> grub/grub.conf so that at least the system would boot, but I can't
> figure out how to set the "root=" option.  Using what's in grub2 does
> not work, nor does any of many things I've tried (it's /dev/sda2, and
> presumably VolGroup00-LogVol01, but nothing like that works).  So, I'm
> dead in the water as well.
> 
> On Sun, Feb 26, 2012 at 12:18 PM, Michael D. Setzer II
> <mikes at kuentos.guam.net> wrote:
> > I've don't a number of upgrades from Fedora 14 to 16 with no
> > problems, but just had a very bad issue with grub2 not working.
> >
> > Preupgrade process seemed to go fine, then rebooted.
> > Screen came up, but was in a very dark gray with slightly lighter
> > gray letters that were not very readable, but it appeared to be
> > processing fine, and let it run.
> >
> > After a while, it had a popup window that said something about a
> > bootloader with only an OK button, which I was a guessing was that
> > it was going to install the new bootloader, so pressed enter.
> >
> > Machine rebooted but showed the old grub 0.97 options, which
> > only listed the upgrade kernel option and the link to run my g4l
> > kernels. The preupgrade option didn't find files, but booting from
> > the g4l kernel gave me access, and I could see a grub2 directory was
> > there and so was the new kernels. I was eventually able to get the
> > 0.97 grub.conf to load the fedora 16 kernel and initramfs by
> > manually creating entry, but don't know why the grub2 upgrade would
> > have failed, or what the best way to get the grub2 correctly
> > installed?
> >
> > I have the previous 500GB disk with the Fedora 14 before the
> > upgrade, so can go back to it if necessary. Had to duplicate the
> > disk to a 1TB drive and increase the /boot since the system only had
> > a 200MB /boot.
> >
> > Hoping there is a simple solution?
> >
> > +----------------------------------------------------------+
> >  Michael D. Setzer II -  Computer Science Instructor
> >  Guam Community College  Computer Center
> >  mailto:mikes at kuentos.guam.net
> >  mailto:msetzerii at gmail.com
> >  http://www.guam.net/home/mikes
> >  Guam - Where America's Day Begins
> >  G4L Disk Imaging Project maintainer
> >  http://sourceforge.net/projects/g4l/
> > +----------------------------------------------------------+
> >
> > http://setiathome.berkeley.edu (Original)
> > Number of Seti Units Returned:  19,471
> > Processing time:  32 years, 290 days, 12 hours, 58 minutes
> > (Total Hours: 287,489)
> >
> > BOINC at HOME CREDITS
> > SETI        11878212.985960   |   EINSTEIN    
> > 7347240.179852 ROSETTA      4278297.373025   |   ABC      
> >   11278989.077652
> >
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> 
> 
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+----------------------------------------------------------+
  Michael D. Setzer II -  Computer Science Instructor      
  Guam Community College  Computer Center                  
  mailto:mikes at kuentos.guam.net                            
  mailto:msetzerii at gmail.com
  http://www.guam.net/home/mikes
  Guam - Where America's Day Begins                        
  G4L Disk Imaging Project maintainer 
  http://sourceforge.net/projects/g4l/
+----------------------------------------------------------+

http://setiathome.berkeley.edu (Original)
Number of Seti Units Returned:  19,471
Processing time:  32 years, 290 days, 12 hours, 58 minutes
(Total Hours: 287,489)

BOINC at HOME CREDITS
SETI        11878212.985960   |   EINSTEIN     7347240.179852
ROSETTA      4278297.373025   |   ABC         11278989.077652