Erasure coding and replication in storage clusters

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10437672
APP PUB NO 20170351575A1
SERIAL NO

15685833

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Abstract

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A cluster receives a request to store an object using replication or erasure coding. The cluster writes the object using erasure coding. A manifest is written that includes an indication of erasure coding and a unique identifier for each segment. The cluster returns a unique identifier of the manifest. The cluster receives a request from a client that includes a unique identifier. The cluster determines whether the object has been stored using replication or erasure coding. If using erasure coding, the method reads a manifest. The method identifies segments within the cluster using unique segment identifiers of the manifest. Using these unique segment identifiers, the method reconstructs the object. A persistent storage area of another disk is scanned to find a unique identifier of a failed disk. If using erasure coding, a missing segment previously stored on the disk is identified. The method locates other segments. Missing segments are regenerated.

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Patent Owner(s)

  • CARINGO INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baker, Don Austin, US 6 634
Carpentier, Paul RM Boechout, BE 12 419
Klager, Andrew Austin, US 4 590
Pierce, Aaron Austin, US 7 597
Ring, Jonathan Austin, US 6 595
Turpin, Russell Austin, US 13 908
Yoakley, David Austin, US 8 666

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