Optimizing peer-to-peer remote copy (PPRC) transfers for partial write operations using a modified sectors bitmap

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United States of America Patent

PATENT NO 9535610
APP PUB NO 20150242127A1
SERIAL NO

14186507

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Abstract

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For optimizing peer-to-peer remote copy (PPRC) transfers for partial write operations in a computing storage environment by a processor device by maintaining a PPRC modified sectors bitmap in bind segments upon demoting a track out of a cache for transferring a partial track after the demoting the track, wherein a hash table is used for locating the PPRC modified sectors bitmap.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Benhase, Michael T Tucson, US 240 2849
Gupta, Lokesh M Tucson, US 542 3377
Stanley, Warren K Loveland, US 58 615

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