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Efficient disaster recovery across heterogeneous storage systems

  • US 10,120,764 B1
  • Filed: 07/29/2016
  • Issued: 11/06/2018
  • Est. Priority Date: 07/29/2016
  • Status: Active Grant
First Claim
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1. A method comprising:

  • identifying a source storage system and a target storage system that comprises a storage pool comprising a plurality of storage devices distributed across a cluster of nodes, wherein nodes distributed across the cluster of nodes utilize controller virtual machines to read and write to the storage pool comprising the plurality of storage devices;

    installing a data mover agent on the source storage system;

    capturing target disaster recovery data at the target storage system transmitted from the data mover agent for storage in the storage pool, wherein the target disaster recovery data corresponds to at least one user virtual machine operating on the source storage system;

    receiving a failover event signal;

    creating at least one replica user virtual machine on a node from the cluster of nodes in the target storage system, wherein the at least one replica user virtual machine is creatable on any node among the cluster of nodes in the target storage system, the at least one replica user virtual machine serving to replicate functions of the user virtual machine; and

    converting, by a controller virtual machine on the node from the cluster of nodes in the target storage system, at least a portion of the target disaster recovery data in the storage pool from a first format to a second format to facilitate access to the portion of the target disaster recovery data by the node having the replica user virtual machine.

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