Full die recovery in ZNS SSD

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United States of America Patent

PATENT NO 11687263
SERIAL NO

17539793

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A data storage device includes a memory device and a controller coupled to the memory device. The controller is configured to receive a request from a requester for a superblock, determine that one or more blocks of a die of the superblock are expected to fail, and either replace the one or more blocks of the die with another one or more blocks from a different die or add the another one or more blocks from the different die and disable the one or more blocks of the die, and provide the superblock to the requester. The superblock provided to the requester is erased prior to the providing and is the same size as an original superblock.

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Patent Owner(s)

  • WESTERN DIGITAL TECHNOLOGIES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Agarwal, Vineet Bangalore, IN 40 665
Kavirayani, Chaitanya Bangalore, IN 4 23
Nadar, Ratanvel Bangalore, IN 1 0

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