[CentOS] Xen VM vanishes after creation

[R P Herrold]

On Mon, 27 Aug 2007, Kai Schaetzl wrote:

> Just starting and playing around with Xen on Centos 5.
> I created a new VM (para-virtualized) with the Virtual Machine Manager,
> installed Centos 5 minimal on it, rebooted after successful installation.

I did a presentation in some depth at a local LUG (third in a 
series) just last Saturday, and the notes are at:
    http://www.colug.net/notes/0708mtg/

> The VM console vanishes on shutdown and that's it. The VM id vanishes from
> the VM Manager and there's no way to get it back. It looks like the new VM
> doesn't exist. xm list shows only Domain-0, virsh list

do a:

     cd /etc/xen

and rerun the command -- 'xm' does not have a reasonable 
default search path.

> --all tells me that it cannot list the inactive domains. A 
> restore from the VM file fails as well. The VM image file 
> exists (in /home/vm), a config file for it in /etc/xen 
> exists. But I don't see where the path to the image file 
> might have been saved. Maybe that's the problem? (I know the 
> location can create a problem with SELinux, but I'm 
> currently running permissive and only testing.)

yes -- the SELinux issue also is present as noted in the 
outline.

-- Russ Herrold