8.04 -> 10.04 Grub Grub 2 and LVM

Oliver Grawert ogra at ubuntu.com
Tue Jun 29 21:49:46 UTC 2010


hi,
Am Dienstag, den 29.06.2010, 16:44 -0500 schrieb Robert Steinmetz:
> On 6/29/2010 4:14 PM, Tom H wrote: 
> > On Tue, Jun 29, 2010 at 2:49 PM, Robert Steinmetz AIA
> > <rob at steinmetznet.com> wrote:
> >   
> > > I have recently upgraded one of my machines from 8.04 LTS to 10.04 LTS and
> > > have been unable to boot it since.
> > > 
> > > The root partition is on a RAID Array with LVM installed.
> > > 
> > > I can boot using a Live CD and using the nodmraid option then load lvm2 and
> > > mdadm. I can then activate the arrays and restore the volume groups. The
> > > files appear intact but it appears that lvm is not being loaded during boot.
> > > I have also discovered that GRUB was not upgraded to GRUB2
> > >     
> > At what point does your boot fail
> >   
> GRUB starts and begins to load. it them fails to find the root file
> system and drops into a shell.
thats not GRUB but the initramfs, if you end up in a busybox shell, your
GRUB install is perfectly intact ... (and yes, your statement in another
mail in this thread is correct, upgraded installs with working GRUB1
will never be upgraded to GRUB2 in an automatic way)

ciao
	oli
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