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Hypervisor exchange with virtual-machine consolidation

  • US 10,445,123 B2
  • Filed: 06/22/2016
  • Issued: 10/15/2019
  • Est. Priority Date: 01/19/2015
  • Status: Active Grant
First Claim
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1. A hypervisor-exchange process comprising:

  • executing plural virtual machines on an old hypervisor that executes on a machine;

    consolidating the plural virtual machines by migrating them from the old hypervisor to a guest hypervisor running in a host virtual machine executing on the old hypervisor while the old hypervisor is executing on the machine;

    exchanging the old hypervisor for a new hypervisor so that the plural virtual machines are executing on the guest hypervisor, the guest hypervisor is executing on the host virtual machine, the host virtual machine is executing on the new hypervisor, and the new hypervisor is executing on the machine; and

    disassociating the plural virtual machines by migrating them, while the guest hypervisor is executing on the host virtual machine that is executing on the new hypervisor and the new hypervisor is executing on the machine, from the guest hypervisor to the new hypervisor.

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