Most likely you have the disk attached to a different disk controller
than the existing one and there is no driver in the initrd that
currently exists. You could try this
Boot your rescue CD and have it mount your existing Linux partitions
under /mnt/sysimage
mount --bind /proc /mnt/sysimage/proc
mount --bind /dev /mnt/sysimage/dev
chroot /mnt/sysimage
mkinitrd /boot/initrd-$(uname -r).new $(uname -r)
mv /boot/initrd-$(uname -r).img /boot/initrd-$(uname -r).old
mv /boot/initrd-$(uname -r).new /boot/initrd-$(uname -r).img
exit
reboot
Greg Cornell wrote:
Hello All,
I'm having trouble after adding a new disk to an existing LVM group. I'll
summarize the steps I've been through so far.
1. Installed a new hard drive (sdb)
2. Booted CD into rescue mode
3. Used fdisk to create a new partition (/dev/sdb1)
4. Used pvcreate to initialize the partition
5. Used vgextend to add the new pv to the existing group
6. Used lvextend to expand the volume
7. Used resize2fs to expand the file system
And that all seemed to go fine. I can mount the volume and use df to verify
that there's now the correct amount of free space. The trouble comes when I
try to boot the system normally. Here's what I get:
Reading all physical volumes. This may take a while...
Couldn't find device with uuid DRjb77-WpC0-DQAJ-3gRv-998p-SB2L-zC4cRO
Found volume group "vg0" using metadata type lvm2
Activating logical volumes
Couldn't find device with uuid DRjb77-WpC0-DQAJ-3gRv-998p-SB2L-zC4cRO
Refusing activation of partial LV root. Use --partial to override
And then it kernel panics. There may be more above this output but I can get
it to stop sooner. Everything seemed normal up to that point.
So, if I use the rescue CD I can mount the volume just fine, but I can't boot
the system normally. Any ideas? I'm happy to send more command output but I
thought this was getting long enough already.
Thanks,
Greg
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