8.04 -> 10.04 Grub Grub 2 and LVM

Oliver Grawert ogra at ubuntu.com
Tue Jun 29 23:26:19 UTC 2010


hi,
Am Dienstag, den 29.06.2010, 17:15 -0500 schrieb Robert Steinmetz:

> > > 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
> >   
> There is something wrong if the kernel cannot find the
> device /dev/mapper/ubuntu-root
> This all worked before the upgrade
> It seems that lvm is not loading since when it drops in the
> shell /proc/modules does not have an entry for lvm.
there is surely something wrong, all i wanted to point out is that it is
not GRUB since your boot progresses to a point far beyond GRUB. 
there were likely changes in lvm or initramfs-tools that cause your
issues, i would suggest looking at launchpad for related bugreports,
there might be workarounds.

ciao
	oli
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