Patent ID: 8479078
Filing Date: 2013-07-02
Classification: G06F,H04L,H04N

Abstract:
1. A method for modifying a data object in a distributed storage network, comprises: receiving a modification request to modify the data object, wherein the modification request includes requested modifications to the data object and a position indicator that indicates a portion of the data object for modification; identifying one of a plurality of data segments of the data object including the portion of the data object for modification to produce an identified data segment, wherein the identified data segment is stored as a plurality of encoded data slices that are generated from the identified data segment based on an error encoding dispersal function; reconstructing the identified data segment from at least a number T of the plurality of encoded data slices to produce a reconstructed data segment, wherein the number T corresponds to a number of the plurality of encoded data slices needed to reconstruct the identified data segment based on the error encoding dispersal function; and modifying the reconstructed data segment in response to the requested modifications in the modification request to generate a modified data segment.