Method and device for deduplication

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United States of America Patent

PATENT NO 11461276
APP PUB NO 20210064578A1
SERIAL NO

17096237

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Abstract

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Embodiments of the present disclosure provide a method and device for deduplication. Specifically, the method may comprise obtaining a property of a file stream, the property of a file stream including a file type or a magic number identifying a format of a protocol or a file. The method further includes in response to receiving an I/O request for a data block of the file stream, assigning a deduplication level to the I/O request based on the property of the file stream. Moreover, the method further includes deduplicating the data block of the file stream based on the deduplication level assigned to the I/O request. In addition, a corresponding device and computer program product are provided.

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Patent Owner(s)

Patent OwnerAddress
EMC IP HOLDING COMPANY LLC176 SOUTH STREET HOPKINTON MA 01748

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Huan Beijing, CN 78 107
Fang, Henry Hao Beijing, CN 4 4
Gong, Chen Beijing, CN 91 385
Wang, Yongli Beijing, CN 23 41
Zhang, Leon Beijing, CN 13 15
Zhang, Lester Ming Beijing, CN 12 106

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