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Memory ProteXion: Chipkill, Memory Management, Address Space -

English
2026-03-25
€179.62 €224.53

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Memory ProteXion, found in IBM xSeries servers, is a form of "redundant bit steering". This technology uses redundant bits in a data packet to recover from a DIMM failure. Memory ProteXion is different from normal ECC error correction in that it uses only 6 bits for ECC, leaving 2 ... Full description

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Description

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Memory ProteXion, found in IBM xSeries servers, is a form of "redundant bit steering". This technology uses redundant bits in a data packet to recover from a DIMM failure. Memory ProteXion is different from normal ECC error correction in that it uses only 6 bits for ECC, leaving 2 bits behind. These 2 bits can be used to re-route data from failed memory, much like hot spare on a raid. The ECC is used to reconstruct the data, and the extra bits to store it. Memory ProteXion, also known as "redundant bit steering", is the technology behind using redundant bits in a data packet to provide backup in the event of a DIMM failure. One failure does not cause a predictive failure analysis to be issued on the DIMM, but 2 failures and moves will issue a PFA to inform the system administrator that a replacement is needed.

More Information

Publisher OmniScriptum
Release year 2026
Cover type Softcover
EAN 9786132968999
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€179.62 €224.53