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Data storage subsystem with block based data management

  • US 5,881,311 A
  • Filed: 06/05/1996
  • Issued: 03/09/1999
  • Est. Priority Date: 06/05/1996
  • Status: Expired due to Fees
First Claim
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1. A block-based data storage subsystem for the storage of data for at least one data processor connected thereto, comprising:

  • a controller connected to said data processor via a data storage device interface;

    a plurality of data storage elements, connected to said controller via at least one data storage device interface for the storage of data on said data storage elements in block format;

    means, operational in said controller, for segmenting a data file transmitted to said controller by said data processor into a plurality of blocks of predetermined fixed size for storage on at least one of said plurality of data storage elements;

    means, operational in said controller, for managing each of said plurality of data storage elements as a plurality of sequentially numbered blocks of data storage of predetermined fixed size;

    means for selecting a number of said blocks of data storage, sufficient in number to store said data file, on at least one of said plurality of data storage elements; and

    means for transmitting said blocks of said data file to said selected blocks of data storage which are located on at least one of said plurality of data storage elements for storage thereon.

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