Firmware-based SSD block failure prediction and avoidance scheme

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United States of America Patent

PATENT NO 11567670
SERIAL NO

16701133

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Abstract

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A Solid State Drive (SSD) is disclosed. The SSD may comprise flash storage for data, the flash storage organized into a plurality of blocks. A controller may manage reading data from and writing data to the flash storage. Metadata storage may store device-based log data for errors in the SSD. Identification firmware may identify a block responsive to the device-based log data. In some embodiments of the inventive concept, verification firmware may determine whether the suspect block is predicted to fail responsive to both precise block-based data and the device-based log data.

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Patent Owner(s)

  • SAMSUNG ELECTRONICS CO., LTD

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Changho San Jose, US 109 655
Elyasi, Nima San Jose, US 20 19

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