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RE: [Xen-users] Xen with VCPU from other servers

  • To: Thiago Vinhas <thiago@xxxxxxxxxxxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: Nathan Eisenberg <nathan@xxxxxxxxxxxxxxxx>
  • Date: Thu, 5 Nov 2009 16:49:56 -0800
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Cc:
  • Delivery-date: Thu, 05 Nov 2009 16:51:04 -0800
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcpbRtJstLXd599rS2S7qcIzFsmDLwDNCJ/Q
  • Thread-topic: [Xen-users] Xen with VCPU from other servers
The closest you can really come to a domU running in two places at once is 
state synchronization, where two VMs memory, CPU, and storage states are kept 
consistent.  Kemari is one option for something like this, and you can see the 
kind of performance impact (~30-50% depending on the fabric) that just 
-synchronization- entails.
http://www.osrg.net/kemari/download/xen_summit_presentation_final.pdf   

Best Regards,
Nathan Eisenberg


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