Volker Englisch <Volker@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 _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
