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Method and system for compression of data for block mode access storage

  • US 20060136365A1
  • Filed: 10/26/2005
  • Published: 06/22/2006
  • Est. Priority Date: 04/26/2004
  • Status: Active Grant
First Claim
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1. For use with a block mode access storage protocol, a method of creating compressed data for storage in at least one storage logical unit, said method comprising:

  • a) creating in respect to at least one storage logical unit a corresponding virtual logical unit accessible by said block mode access protocol and configured to virtually accommodate raw data, wherein a size of the virtual logical unit corresponds to an estimated size of raw data which, being compressed, would substantially amount to a size of the storage logical unit;

    b) segmenting the virtual logical unit into one or more virtual storage portions constituting clusters;

    c) compressing the raw data accommodated in a cluster and thereby generating compressed data to be stored in a respective compressed section within the storage logical unit;

    d) facilitating mapping between the compressed data stored in the compressed section and their virtual accommodation at the virtual logical unit.

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