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@xxxxxxxx> 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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