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Data storage resource allocation by employing dynamic methods and blacklisting resource request pools

  • US 9,262,226 B2
  • Filed: 01/08/2013
  • Issued: 02/16/2016
  • Est. Priority Date: 06/19/2008
  • Status: Active Grant
First Claim
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1. A system having a processor for dynamically assigning data storage requests to data storage resources, the system comprising:

  • a means for receiving an initial request plan specifying how an alternate data path is to be chosen when preferred data storage resources are not available;

    a means for building a grid allocation table by grouping data storage resources in columns or rows of the grid allocation table according to common characteristics of the data storage resources;

    a means for assigning, when preferred resources are available, a row or column, respectively, of the grid allocation table to a data allocation request using preferred data storage resources;

    a means for assigning, when preferred data storage resources are not available, an alternate set of data storage resources to the data storage request;

    wherein each column or row of the grid allocation table operates independently on separate data storage requests;

    a means for determining whether requested resources from a failed request comprise common or unique resources; and

    a means for selectively adding the failed request to the blacklist table when the failed request corresponded to a common resource, and not adding the failed request to the blacklist table when the failed request corresponded to a unique requested resource.

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