[CentOS-virt] How to pass messages from dom0 to domU??

Wed Jul 22 22:10:41 UTC 2009
Ed Heron <Ed at Heron-ent.com>

From: David Knierim, Wednesday, July 22, 2009 3:18 PM

>I apologize if this is a newbie question, but I have been unable to work 
>out how to do this.

>I am adding code to my installation on dom0 (running CentOS 5.3) to monitor 
>for hardware faults.   If there is an issue, I want to propagate the status 
>to all of the domUs (running CentOS 4.x or CentOS 5) running on the host.

>What are my options to do this??

  I would use shared file space.  Maybe an NFS share that all machines could 
access...  That way it is not restricted to virtual machines running on that 
server.  If you expanded to 2 servers for increased capacity or fault 
tolerance, you would not have to redesign it.