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Automatically reconfiguring a storage memory topology

  • US 9,612,952 B2
  • Filed: 06/04/2014
  • Issued: 04/04/2017
  • Est. Priority Date: 06/04/2014
  • Status: Active Grant
First Claim
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1. A plurality of storage nodes, comprising:

  • each storage node of the plurality of storage nodes having a controller, at least one storage node of the plurality of storage nodes having multiple authorities, wherein each authority of the multiple authorities controls a corresponding range of data identifiers;

    each authority of the plurality of storage nodes configurable to select one of a plurality of redundancy schemes independent of each other authority of the plurality of storage nodes and to distribute the user data in accordance with the selected redundancy scheme; and

    the plurality of storage nodes configurable such that adding or removing a storage node triggers the plurality of storage nodes and the authorities to reconfigure redundancy of the user data in the plurality of storage nodes.

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