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