Data deduplication using CRC-seed differentiation between data and stubs

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United States of America Patent

PATENT NO 9588981
APP PUB NO 20150178307A1
SERIAL NO

14637169

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Abstract

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Various embodiments for differentiating between data and stubs pointing to a parent copy of deduplicated data. Undeduplicated data is stored with a checksum of an initial value. A stub pointing to the parent copy of the deduplicated data is stored with an additional checksum of a differing, additional initial value.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bates, Allen K Tucson, US 53 397
Haustein, Nils Soergenloch, DE 206 3290
Klein, Craig A Redington Beach, US 74 1067
Krick, Frank Ockenheim, DE 73 447
Troppens, Ulf Mainz, DE 49 1089
Winarski, Daniel J Tucson, US 210 2084

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