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APPARATUS, SYSTEM AND METHOD FOR STORAGE CACHE DEDUPLICATION

  • US 20100070715A1
  • Filed: 09/18/2008
  • Published: 03/18/2010
  • Est. Priority Date: 09/18/2008
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a storage cache partition table having at least one entry associating a specified storage address range with one or more specified storage partitions;

    a deduplication module configured to create an entry in the storage cache partition table wherein the specified storage partitions contain identical data to one another within the specified storage address range thus requiring only one copy of the identical data to be cached; and

    a read module configured to accept a read storage address within a read partition of a storage subsystem, to locate a read entry wherein the specified storage address range contains the read storage address, and to determine whether the read partition is among the one or more specified storage partitions if the read entry is found.

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