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- Memory_scrubbing abstract "Memory scrubbing consists of reading from each computer memory location, correcting bit errors (if any) with an error-correcting code (ECC), and writing the corrected data back to the same location.Due to the high integration density of contemporary computer memory chips, the individual memory cell structures became small enough to be vulnerable to cosmic rays and/or alpha particle emission. The errors caused by these phenomena are called soft errors. This can be a problem for DRAM and SRAM based memories. The probability of a soft error at any individual memory bit is very small. However, together with the large amount of memory modern computers—especially servers—are equipped with, and together with extended periods of uptime, the probability of soft errors in the total memory installed is significant.The information in an ECC memory is stored redundantly enough to correct single bit error per memory word. Hence, an ECC memory can support the scrubbing of the memory content. Namely, if the memory controller scans systematically through the memory, the single bit errors can be detected, the erroneous bit can be determined using the ECC checksum, and the corrected data can be written back to the memory.".
- Memory_scrubbing wikiPageID "1135532".
- Memory_scrubbing wikiPageLength "4681".
- Memory_scrubbing wikiPageOutDegree "28".
- Memory_scrubbing wikiPageRevisionID "703433894".
- Memory_scrubbing wikiPageWikiLink Alpha_particle.
- Memory_scrubbing wikiPageWikiLink BIOS.
- Memory_scrubbing wikiPageWikiLink Bit_error_rate.
- Memory_scrubbing wikiPageWikiLink CPU_cache.
- Memory_scrubbing wikiPageWikiLink Category:Computer_memory.
- Memory_scrubbing wikiPageWikiLink Central_processing_unit.
- Memory_scrubbing wikiPageWikiLink Computer_memory.
- Memory_scrubbing wikiPageWikiLink Computer_performance.
- Memory_scrubbing wikiPageWikiLink Cosmic_ray.
- Memory_scrubbing wikiPageWikiLink Data_scrubbing.
- Memory_scrubbing wikiPageWikiLink Direct_memory_access.
- Memory_scrubbing wikiPageWikiLink Dynamic_random-access_memory.
- Memory_scrubbing wikiPageWikiLink ECC_memory.
- Memory_scrubbing wikiPageWikiLink Electric_energy_consumption.
- Memory_scrubbing wikiPageWikiLink Error_detection_and_correction.
- Memory_scrubbing wikiPageWikiLink Integrated_circuit.
- Memory_scrubbing wikiPageWikiLink Locality_of_reference.
- Memory_scrubbing wikiPageWikiLink Memory_controller.
- Memory_scrubbing wikiPageWikiLink Memory_refresh.
- Memory_scrubbing wikiPageWikiLink Redundancy_(information_theory).
- Memory_scrubbing wikiPageWikiLink Reliability,_availability_and_serviceability_(computing).
- Memory_scrubbing wikiPageWikiLink Server_(computing).
- Memory_scrubbing wikiPageWikiLink Soft_error.
- Memory_scrubbing wikiPageWikiLink Static_random-access_memory.
- Memory_scrubbing wikiPageWikiLink Uptime.
- Memory_scrubbing wikiPageWikiLinkText "Memory scrubbing".
- Memory_scrubbing wikiPageWikiLinkText "Memory scrubbing#DEMAND".
- Memory_scrubbing wikiPageWikiLinkText "Memory scrubbing#PATROL".
- Memory_scrubbing wikiPageWikiLinkText "Read scrubbing".
- Memory_scrubbing wikiPageWikiLinkText "memory scrubbing".
- Memory_scrubbing wikiPageWikiLinkText "scrub".
- Memory_scrubbing wikiPageUsesTemplate Template:Anchor.
- Memory_scrubbing wikiPageUsesTemplate Template:Mdashb.
- Memory_scrubbing wikiPageUsesTemplate Template:More_references.
- Memory_scrubbing wikiPageUsesTemplate Template:Portal.
- Memory_scrubbing wikiPageUsesTemplate Template:Reflist.
- Memory_scrubbing subject Category:Computer_memory.
- Memory_scrubbing type Array.
- Memory_scrubbing type Datum.
- Memory_scrubbing comment "Memory scrubbing consists of reading from each computer memory location, correcting bit errors (if any) with an error-correcting code (ECC), and writing the corrected data back to the same location.Due to the high integration density of contemporary computer memory chips, the individual memory cell structures became small enough to be vulnerable to cosmic rays and/or alpha particle emission. The errors caused by these phenomena are called soft errors.".
- Memory_scrubbing label "Memory scrubbing".
- Memory_scrubbing sameAs Q6815756.
- Memory_scrubbing sameAs m.0499pj.
- Memory_scrubbing sameAs Q6815756.
- Memory_scrubbing wasDerivedFrom Memory_scrubbing?oldid=703433894.
- Memory_scrubbing isPrimaryTopicOf Memory_scrubbing.