Error injection and error counting during memory scrubbing operations

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United States of America Patent

PATENT NO 9563548
APP PUB NO 20150347256A1
SERIAL NO

14823012

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Abstract

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Embodiments relate to performing a memory scrubbing operation that includes injecting an error on a write operation associated with a memory address. One or more errors are detected during a two-pass scrub operation on the memory address. Based on a result of the two-pass scrub operation, one or more of a hard error counter associated with the memory address and a soft error counter associated with the memory address is selected. The one or more selected counters are updated based on the result of the two-pass scrub operation.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Curley, Lawrence D Endwell, US 15 229
Gilda, Glenn D Binghamton, US 26 271
Meaney, Patrick J Poughkeepsie, US 124 1375

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