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Virtual machine fault tolerance

  • US 8,621,274 B1
  • Filed: 05/18/2011
  • Issued: 12/31/2013
  • Est. Priority Date: 05/18/2011
  • Status: Active Grant
First Claim
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1. A method for providing virtual machine fault tolerance from a snapshot, comprising:

  • receiving a snapshot of a virtual machine, the snapshot created while the virtual machine is hosted on a primary computing device, the snapshot representing the virtual machine according to a primary virtual machine type;

    detecting a failure of the virtual machine hosted on the primary computing device; and

    hosting the virtual machine on a secondary computing device based upon the snapshot, the secondary computing device supporting a secondary virtual machine type, the hosting comprising;

    responsive to the secondary computing device not supporting the primary virtual machine type;

    utilizing the snapshot to host a temporary virtual machine within a virtual machine host software environment that supports the primary virtual machine type;

    converting the temporary virtual machine from the primary virtual machine type to the secondary virtual machine type to create a secondary virtual machine; and

    hosting the secondary virtual machine on the secondary computing device as the virtual machine on the secondary computing device.

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