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Live migration between slightly different CPUs RRS feed

  • Question

  • Greetings.

    I have a failover cluster of four Hyper-V 2012 servers.

    The fourth one was added recently, and it turned out that supplier has put different CPU in it.

    It shows Intel64 Family 6 Model 58 Stepping 9, while others are Intel64 Family 6 Model 42 Stepping 7.

    After watching some videos at MVA, I decided that it should work and gave it a test.

    And everything worked. I've made some live migrations back and forth - and everything was fine.

    However, I've found out that as soon as VM is rebooted while being located at that last node - it fails to live migrate to other nodes. But if you shut it down, move to another node and start it there - it live migrates hither and thither with no problems, until restarted at that particular node again.

    My question is if that behavior is by design, because I've never read of this anywhere.

    Wednesday, August 21, 2013 8:42 AM