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Live logical partition migration with stateful offload connections using context extraction and insertion

  • US 9,588,807 B2
  • Filed: 08/13/2012
  • Issued: 03/07/2017
  • Est. Priority Date: 10/04/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a message to migrate a virtual machine executing on a first system to a second system, wherein the first system includes a first network adapter used to send one or more stateful offload data packets over a computer network;

    extracting hardware state data in a native format from the first network adapter, the hardware state data utilized to process one or more of the stateful offload data packets;

    storing the hardware state data in a first memory area corresponding to the first system;

    migrating the virtual machine to the second system, wherein the migrating includes copying the hardware state data from the first memory area to the second system; and

    configuring a second network adapter included on the second system, wherein the configuration includes writing the hardware state data in the native format to the second network adapter.

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