Re: [Xen-users] Xen clustering

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

shacky wrote:
> Hi.
>
> I'm writing to the mailing list to know if Xen is what I'm looking for.
> I need a failover cluster with two completely and automatically
> replicated and redundanced servers running Windows Server 2003
> Standard.
> Could Xen make this?
> Where I can found some information about making this configuration with Xen?
>
> Thank you very much for your help!
>
> Bye.
>   
Not..... exactly. You can keep multiple operating systems on a single 
server: you can migrate them from a common network storage to run on one 
server or another. But failover where one server's operating system 
fails or is disabled, and another takes over the function, is a much 
more interesting thing to do. To do complete OS failover, every physical 
component must be mirrored and matched and the connections duplicated 
with failover redundancy, and that gets fascinating to support. It's 
also amazingly expensive, much more than the cost of a small set of 
duplicate servers.
If you have specific services running on those servers, you might be 
able to gracefully implement them in normal master/slave or 
master/master failover modes.
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