Metadata journaling with error correction redundancy

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United States of America Patent

PATENT NO 9411717
APP PUB NO 20140115232A1
SERIAL NO

13658643

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Method and apparatus for managing a memory, such as but not limited to a flash memory. In accordance with some embodiments, user data and associated metadata are stored in a memory. The metadata are arranged as a first sequence of snapshots of the metadata at different points in time during the operation of the memory, and a second sequence of intervening journals which reflect updates to the metadata from one snapshot to the next. Requested portions of the metadata are recovered from the memory using a selected snapshot in the first sequence and first and second journals in the second sequence.

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Patent Owner(s)

  • SEAGATE TECHNOLOGY LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gaertner, Mark Allen Vadnais Heights, US 71 2847
Goss, Ryan James Prior Lake, US 92 2268
Seekins, David Scott Shakopee, US 20 831

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