Efficient method for rebuilding a set of encoded data slices

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United States of America Patent

PATENT NO 10031809
SERIAL NO

15215418

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Abstract

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A method begins by a dispersed storage (DS) processing module identifying an encoded slice requiring rebuilding. The method continues by the DS processing module determining whether the encoded data slice is part of a fan-out encoded data slice group and, when it is part of a fan-out encoded data slice group determining by the DS processing module whether a valid encoded data slice of the fan-out data slice group is available. When a copy of the encoded data slice of the fan-out encoded data slice group is not available, the method continues by the DS processing module rebuilding the encoded data slice. A storage unit then stores the rebuilt encoded data slice and creates copies of the rebuilt encoded data slice to produce a rebuilt fan-out encoded data slice group.

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Patent Owner(s)

  • IBM CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kazi, Asimuddin Naperville, US 78 276

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