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SYSTEMS AND METHODS FOR PERFORMING MULTI-PATH STORAGE OPERATIONS

  • US 20100064067A1
  • Filed: 11/13/2009
  • Published: 03/11/2010
  • Est. Priority Date: 12/19/2005
  • Status: Active Grant
First Claim
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1. A method of allocating data in a storage system, the method comprising:

  • communicating with a plurality of storage devices via a plurality of communication paths, wherein the communication paths comprise host bus adapter (HBA) devices;

    processing a storage operation that transfers the data from at least a first storage device to at least a second storage device;

    determining whether the second storage device has adequate storage resources to store the data and if the storage resources in the second storage device are adequate to store a portion of the data, but not all of the data, dynamically selecting a third storage device;

    determining transmission capacity and availability of the communication paths with the second and third storage devices; and

    parsing the data into smaller data units based on the transmission capacity of the communication paths associated with the second and third storage devices and based on the storage resources available in the second and third storage devices.

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