LVM Name Changed?

[George Magklaras]

Then my case was different. Anybody else touching the yaboot.conf? I 
have not seen this, so please let us know if you get to the bottom of this.

GM


Richardson, Joshua A. wrote:
> Hey George,
> 
> Yes, once I edited the /etc/fstab to reflect the change to /dev/vg0/root
> and swap002 everything worked correctly.  What is even more puzzling to
> me is the fact that /etc/yaboot.conf file somehow was already using
> /dev/vg0/root when I know from before they used the default
> /dev/VolGroup00/LogVol00 LVM names.
> 
> Joshua A. Richardson
> General Dynamics AIS
> Principal  Systems Engineer
> Systems Administrator
> Office: 703-272-1761
> Cell: 540-383-9093
> 
> -----Original Message-----
> From: redhat-list-bounces at redhat.com
> [mailto:redhat-list-bounces at redhat.com] On Behalf Of George Magklaras
> Sent: Wednesday, September 09, 2009 8:23 AM
> To: General Red Hat Linux discussion list
> Subject: Re: LVM Name Changed?
> 
> What can you see under the /dev/mapper directory? I recall seeing this 
> issue with a similar hardware config and the advice was to upgrade to 
> the latest release due to some issues with LVM. The problem however was 
> that there was fs corruption (changing manually the fstab entry did not 
> mount the fs in a clean way). Can you mount root on the system disk if 
> you change the fstab to /dev/vg0/root ?
> 
> GM
> 
> Richardson, Joshua A. wrote:
>> I have a chassis IBM JS22 blades running RHEL 5.2 with a kernel.org
>> kernel of 2.6.29.4 and over the long weekend, we apparently took a
> power
>> hit in the lab.  I came back in this morning to find over half of them
>> dropping me into maintenance mode during boot.  After several hours of
>> screwing around trying to diagnose the problem, I realized that
> somehow
>> the LVM names had changed on these particular machines from
>> /dev/VolGroup00/LogVol00 and LogVol01 to /dev/vg0/root and swap002.
> Has
>> anyone ever seen anything like this and if so, do you know why it
>> happened?  Thanks!
>>
>> Joshua A. Richardson
>> General Dynamics AIS
>> Principal  Systems Engineer
>> Systems Administrator
>> Office: 703-272-1761
>> Cell: 540-383-9093
>>
>>
> 

-- 
--
George Magklaras BSc Hons MPhil
RHCE:805008309135525

Senior Computer Systems Engineer/UNIX-Linux Systems Administrator
EMBnet Technical Management Board
The Biotechnology Centre of Oslo,
University of Oslo
http://folk.uio.no/georgios

Tel: +47-22840535

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