ERROR INJECTION AND ERROR COUNTING DURING MEMORY SCRUBBING OPERATIONS

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 mor...

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Bibliographische Detailangaben
Hauptverfasser: GILDA GLENN D, CURLEY LAWRENCE D, MEANEY PATRICK J
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung: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.