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Performance improvement of a capacity optimized storage system using a performance segment storage system and a segment storage system

  • US 10,013,167 B2
  • Filed: 08/13/2015
  • Issued: 07/03/2018
  • Est. Priority Date: 09/22/2009
  • Status: Active Grant
First Claim
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1. A system for storing data, comprising:

  • a performance storage unit configured to store a data stream or a data block, wherein the data stream or the data block comprises one or more data items and wherein the performance storage unit responds efficiently to requests for the data stream or the data block to be stored and retrieved;

    a performance storage transfer manager associated with the performance storage unit, wherein the performance storage transfer manager manages a transfer of the one or more data items to be automatically stored in a segment storage system over a network, wherein the performance storage transfer manager is configured to determine whether a stored item of the one or more data items is to be stored in a segment storage system over the network in connection with a set of deduplicated segments and wherein the performance storage transfer manager also manages a transfer of the set of deduplicated segments back to the performance storage unit to improve response performance of the performance storage unit;

    the segment storage system configured to store a stored data item of the one or more data items as a set of segments over the network in response to the performance storage transfer manager determining a stored item of the one or more data items is to be stored in a segment storage system, wherein the segment storage system deduplicates the set of segments; and

    a performance segment storage unit configured to store the set of segments in the event that the stored data item has been stored using the segment storage system, wherein the performance segment storage unit stores the set of deduplicated segments received from the segment storage system over the network in the event the stored data item is required to be available for high performance access, wherein the performance storage transfer manager manages a transfer of the set of deduplicated segments between the performance segment storage unit and performance storage unit.

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