8.04 -> 10.04 Grub Grub 2 and LVM

[Robert Steinmetz]

On 6/29/2010 4:49 PM, Oliver Grawert wrote:
> 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
>    
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.

-- 
*Robert Steinmetz, AIA*
Principal
*Steinmetz & Associates*
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/ubuntu-users/attachments/20100629/b5989a9f/attachment.html>