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UPDATING DISTRIBUTED STORAGE NETWORK SOFTWARE

  • US 20120311557A1
  • Filed: 05/04/2012
  • Published: 12/06/2012
  • Est. Priority Date: 06/06/2011
  • Status: Active Grant
First Claim
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1. A method comprises:

  • sending, by a management unit of a distributed storage network (DSN), a software update notice to a plurality of dispersed storage (DS) units, wherein the plurality of DS units supports a plurality of digital storage vaults, wherein a set of DS units of the plurality of DS units supports a digital storage vault of the plurality of digital storage vaults, wherein a DS unit of the set of DS unit stores encoded data slices associated with the digital storage vault, and wherein data is encoded using a dispersed storage error encoding function to produce a plurality of sets of encoded data slices that includes the encoded data slices;

    determining, in regards to the software update notice, an update strategy for updating software of the plurality of DS units such that at least a decode threshold number of DS units of the set of DS units is continually available to service access requests to the digital storage vault; and

    updating the software of at least some of the plurality of DS units in accordance with the update strategy.

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