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Re: [Xen-users] Xen clustering

  • To: shacky <shacky83@xxxxxxxxx>
  • From: Nico Kadel-Garcia <nkadel@xxxxxxxxx>
  • Date: Wed, 31 Oct 2007 15:26:38 +0000
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 31 Oct 2007 08:26:07 -0700
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shacky wrote:

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
Could Xen make this?
Where I can found some information about making this configuration with Xen?

Thank you very much for your help!

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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