Xen users - Nov 2009 - Cluster Xen with real load balanced between more machine

Hello to all! 
I have a problem that I do not succeed to resolve, excused for my English.
 
I would want to realize a cluster xen thus composed: several physical server
joined in a cluster to load balance for the resources, on such cluster I
would want to create one or more virtual xen machine that they take
advantage of the balance of resources between all the physical server. 

Is it possible? how?

Thanks. ;-)
Angelo
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In order to do this you need to use some sort of cluster management software,
like Heartbeat, to manage the resources automatically.  It is not possible for a
domU (Xen virtual machines) to take advantage of resources (CPU, network,
memory) on more than one physical machine at a time.  What you can do, though,
is use some sort of load balancer software combined with Xen''s built-in
live migration to migrate VMs from one host to another as load increases or
decreases on a particular server.  In this way, you can make sure that the load
is balanced across all of your physical servers.

-Nick
>>> On 2009/11/09 at 02:07, angeloalfa <angeloalfa76@yahoo.it>
wrote:
> Hello to all! 
> I have a problem that I do not succeed to resolve, excused for my English.
>  
> I would want to realize a cluster xen thus composed: several physical
server
> joined in a cluster to load balance for the resources, on such cluster I
> would want to create one or more virtual xen machine that they take
> advantage of the balance of resources between all the physical server. 
> 
> Is it possible? how?
> 
> Thanks. ;-)
> Angelo



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