Storage device with data deduplication, operation method of storage device, and operation method of storage server

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United States of America

PATENT NO 11947419
SERIAL NO

17456821

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Importance

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Abstract

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An operation method of a storage device includes: receiving a write request including an object identifier and data from an external device; performing a hash operation on the data to generate a hash value; determining whether an entry associated with the hash value is empty in a table; storing the data in an area of the storage device corresponding to a physical address and updating the entry to include the physical address and a reference count, when it is determined that the entry is empty; and increasing the reference count included in the entry without performing a store operation associated with the data, when it is determined that the entry is not empty, and an error message is returned to the external device when the entry associated with the hash value is not present in the table.

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Patent Owner(s)

  • SAMSUNG ELECTRONICS CO. LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hwang, Jooyoung Suwon-si, KR 30 128

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