Retrieving data in a storage system using thin provisioning

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United States of America Patent

PATENT NO 9747318
SERIAL NO

14739153

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Abstract

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The invention relates to retrieving data from a storage system. One embodiment of the invention comprises receiving a write operation, establishing a correspondence relationship between a logic block address and a physical block address of the write operation, and determining whether a valid data percentage in a mapping table is greater than a predetermined threshold after the correspondence relationship is added in stored metadata of stored metadata.

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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
Fang, Min Shanghai, CN 101 431
Gu, Hui X Shanghai, CN 4 30
Li, Xiao Yan Shanghai, CN 6 23
Zeng, Fan Gang Shanghai, CN 3 71

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