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Intelligent data storage manager

  • US 7,114,013 B2
  • Filed: 09/28/2001
  • Issued: 09/26/2006
  • Est. Priority Date: 01/15/1999
  • Status: Expired due to Term
First Claim
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1. A data storage manager operational in a data storage subsystem that uses a plurality of data storage elements to store data thereon for a plurality of host processors that are connected to said data storage subsystem, comprising:

  • means for storing a set of logical data storage device definitions that are created from said plurality of data storage elements;

    means for identifying a set of data storage characteristics appropriate for a present data object;

    means for comparing said identified set of data storage characteristics with said stored set of logical data storage device definitions;

    means, responsive to a failure to match said identified set of data storage characteristics with a single one of said stored set of logical data storage device definitions, for creating a new logical device definition using a plurality of said stored set of logical data storage device definitions; and

    means for storing said present data object on interconnected ones of said plurality of data storage elements that correspond to said new logical device definition.

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