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METHOD AND COMPUTER SYSTEM FOR MAKING A COMPUTER HAVE HIGH AVAILABILITY

  • US 20090300414A1
  • Filed: 05/28/2009
  • Published: 12/03/2009
  • Est. Priority Date: 05/30/2008
  • Status: Active Grant
First Claim
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1. A method of providing high availability of a computer system, the method comprising:

  • providing a host computer with a host virtual machine container;

    providing a servant computer with a servant virtual machine container;

    running a host virtual machine on said host virtual machine container;

    running a servant virtual machine on said servant virtual machine container; and

    synchronizing the host virtual machine and the servant virtual machine by using an I/O instruction as a transaction boundary by a communication channel between said host computer and said servant computer so that one of said computers is enabled to back up the other computer if the other computer fails.

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