[linux-lvm] Boot fails after change of motherboard: No volume groups found
Galen Seitz
galens at seitzassoc.com
Mon Oct 16 18:33:05 UTC 2006
Volker Englisch <Volker at englisch.us> wrote:
> I am running FC4 (with AMD64) and was able to boot the machine without
> problems until Friday when I had to change my motherboard.
> Since then it appears that I'm unable to boot because the system can
> not find my LVM. I see this error message after grub selected the OS:
> Red Hat nash version 4.2.15 starting
> Reading all physical volumes. This may take a while ...
> No volume groups found
> Unable to find volume group "VolGroup00"
>
> and as a result a kernel panic.
> I can start the machine by using the installation disk and boot with
> 'linux rescue' and then I can see my volume and access the data.
>
> I have two SATA hard drives with a /boot partition and the volume
> group on the first one and the second HDD has just regular partitions:
> Filesystem Size Used Avail Use% Mounted on
> /dev/mapper/VolGroup00-LogVol04 15G 7.2G 6.4G 54% /var
> /dev/mapper/VolGroup00-LogVol03 34G 12G 20G 37% /backup
> /dev/mapper/VolGroup00-LogVol00 24G 7.9G 15G 35% /
> /dev/sda1 99M 29M 65M 31% /boot
> /dev/sdb3 138G 18G 113G 14% /free
> /dev/mapper/VolGroup00-LogVol02 29G 3.4G 24G 13% /home
> /dev/sdb2 46G 1.2G 43G 3% /home/public
> /dev/sdb1 46G 706M 43G 2% /home/mail
>
>
> Why would the boot process not find my volume group but does when I'm
> starting the OS with the rescue disk (or Knoppix)?
Does your new motherboard use a different SATA controller? Perhaps
your initrd doesn't have the proper driver.
galen
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