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Distributed object-based storage system that stores virtualization maps in object attributes

  • US 20060036602A1
  • Filed: 08/13/2004
  • Published: 02/16/2006
  • Est. Priority Date: 08/13/2004
  • Status: Abandoned Application
First Claim
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1. In a distributed object-based storage system that includes a plurality of object storage devices for storing object components, a metadata server coupled to each of the object storage devices, and one or more clients that access distributed, object-based files on the object storage devices, a method for accessing a file object having multiple components on different object storage devices, comprising:

  • issuing a file access request from a client to an object storage device for a file object;

    in response to the file access request, locating a map that includes a list of object storage devices where components of the requested file object reside, wherein the map is stored as at least one component object attribute on an object storage device;

    sending the map to the client; and

    issuing access requests from the client to each of the object storage devices on the list, in order to retrieve the components of the requested file object.

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