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Discovery of storage area network devices for a virtual machine

  • US 9,003,027 B2
  • Filed: 08/17/2012
  • Issued: 04/07/2015
  • Est. Priority Date: 08/17/2012
  • Status: Active Grant
First Claim
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1. A computer-implemented method for discovering a plurality of storage area network (SAN) devices for a virtual machine, the method comprising:

  • at a SAN device of the plurality of SAN devices;

    discovering physically adjacent SAN devices connected to the SAN device; and

    registering the physically adjacent SAN devices connected to the SAN device at a name server;

    establishing communications between a host device and a target device of the plurality of SAN devices, wherein the virtual machine is resident on the host device;

    identifying, at the host device and the target device, a plurality of paths over the plurality of SAN devices to communicate between the host device and the target device;

    populating a mapping table for the virtual machine with the plurality of paths over the plurality of SAN devices to communicate between the host device and the target device, wherein the mapping table is maintained at a central management server; and

    updating the mapping table at the central management server in response to movement of at least one SAN device of the plurality of SAN devices.

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