Efficient free-space management of multi-target peer-to-peer remote copy (PPRC) modified sectors bitmap in bind segments

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United States of America Patent

PATENT NO 9501240
SERIAL NO

14186475

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Abstract

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For efficient free-space management of multi-target peer-to-peer remote copy (PPRC) modified sectors bitmap in bind segments, maintaining a list of bind segments having a free slots for each storage volume. Each one of the bind segments includes a bitmap of the free slots. Those of the bind segments having more than an predetermined number of the free slots are freed.

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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 2847
Gupta, Lokesh M Tucson, US 542 3375
Stanley, Warren K Loveland, US 58 613

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