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PESSIMISTIC READS AND OTHER SMART-READ ENHANCEMENTS WITH SYNCHRONIZED VAULTS

  • US 20180089027A1
  • Filed: 12/04/2017
  • Published: 03/29/2018
  • Est. Priority Date: 12/31/2014
  • Status: Active Grant
First Claim
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1. A method for execution by one or more processing modules of one or more computing devices of a dispersed storage network (DSN), the method comprises:

  • determining to recover a data object from one or more storage vaults of a plurality of storage vaults where the data object has been synchronously stored amongst the plurality of storage vaults;

    for each storage vault, determining a slice retrieval performance level;

    selecting two or more storage vaults of the plurality of storage vaults for retrieval based on the slice retrieval performance levels;

    identifying a plurality of data segments for retrieval where the data object was divided into the plurality of data segments;

    for each data segment, assigning a storage vault for retrieval to produce assignment information; and

    facilitating recovery of each data segment of the plurality of data segments from the selected two or more storage vaults based on the assignment information.

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