Directory synchronization of a dispersed storage network

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United States of America Patent

PATENT NO 8856552
SERIAL NO

12903205

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Abstract

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A method begins by a processing module dispersed storage error encoding data to produce a set of encoded data slices and generating a transaction identifier regarding storage of the set of encoded data slices. The method continues with the processing module outputting a plurality of write request messages to a plurality of dispersed storage (DS) units, wherein each of the plurality of write request messages includes the transaction identifier and a corresponding one of the set of encoded data slices. The method continues with the processing module receiving write response messages from at least some of the DS units, wherein each of the write response messages includes a reference to the transaction identifier. The method continues with the processing module updating directory information regarding storage of the data to produce updated directory information when at least a write threshold number of the write response messages have been received.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baptist, Andrew Mt. Pleasant, US 217 3856
Cilfone, Bart Chicago, US 32 690
Dhuse, Greg Chicago, US 234 9735
Leggette, Wesley Chicago, US 252 6087
Resch, Jason K Chicago, US 1156 11894
Volvovski, Ilya Chicago, US 361 8006

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