[CentOS-virt] xen-c6 fails to boot

Tue Dec 9 10:48:57 UTC 2014
George Dunlap <dunlapg at umich.edu>

On Thu, Dec 4, 2014 at 12:39 PM, Bob Ball <bob.ball at citrix.com> wrote:
> Thanks all for the advice.
>
> It seems there is an issue with Dracut booting from these hosts when LVM is used.
>
> dracut: Scanning devices sda2  for LVM logical volumes VolGroup/lv_swap VolGroup/lv_root
> dracut: inactive '/dev/VolGroup/lv_swap' [1.94 GiB] inherit
> dracut: inactive '/dev/VolGroup/lv_root' [230.69 GiB] inherit
> dracut: PARTIAL MODE. Incomplete logical volumes will be processed.
> dracut: Operation prohibited while global/metadata_read_only is set.
> dracut: Operation prohibited while global/metadata_read_only is set.
> ...
> dracut Warning: LVM VolGroup/lv_swap not found
> dracut Warning: LVM VolGroup/lv_root not found
>
> Switching my kickstart to use real partitions rather than LVM solved the issue.  Not sure if that's enough detail to figure out what's wrong / missing from the kernel / initrd.

Sorry, it's still not clear from the previous conversation -- in
addition to updating to Centos 6.6, have you also switched to the
official Xen4CentOS repos (i.e., by installing centos-release-xen)?

 -George