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Using a recovery snapshot during live migration

  • US 10,394,656 B2
  • Filed: 09/12/2017
  • Issued: 08/27/2019
  • Est. Priority Date: 06/28/2014
  • Status: Active Grant
First Claim
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1. A system for restoring consistency after performing consistency-breaking operations during live migration, said system comprising:

  • a memory area associated with a computing device, said memory area storing a plurality of source objects in a consistency group (CG); and

    a processor programmed to;

    in response to receiving a request to perform a live migration of the plurality of source objects on a source host to a destination host, create a snapshot of the CG of the plurality of source objects;

    perform the live migration of the source objects from the source host to the destination host, wherein consistency is not maintained during the live migration;

    restore, in response to a failure during the live migration, the source objects using the snapshot; and

    complete the live migration.

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