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Distributing lookup operations in a striped storage system

  • US 8,176,246 B1
  • Filed: 07/26/2011
  • Issued: 05/08/2012
  • Est. Priority Date: 01/28/2008
  • Status: Active Grant
First Claim
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1. A method for distributing lookup operations in a cluster, comprising:

  • maintaining, at a D-module of the cluster, mappings between a data container attribute of a data container and an inode value of the data container;

    determining at the D-module an identification (ID) of a second D-module of the cluster for caching the data container attribute;

    selecting the inode value for the data container attribute, wherein the second D-module services a lookup request for the data container attribute and services a metadata request for the data container;

    receiving the metadata request of the data container from an N-module of the cluster; and

    in response to receiving the lookup request, satisfying the lookup request by the second D-module.

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