Error indication in a raid memory system

A computer system includes a plurality of memory modules that contain semiconductor memory, such as DIMMs. The system includes a host/data controller that utilizes an XOR engine to store data and parity information in a striped fashion on the plurality of memory modules to create a redundant array o...

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Main Authors LESTER ROBERT A, FINK DAN, CLARK BENJAMIN H, AUTOR JEFFREY S, ROSCOE BRET D, MAJNI TIM, PICCIRILLO GARY J, GALLOWAY JEFFERY, MACLAREN JOHN M, TAVALLAEI SIAMAK, LARSON JOHN E, POST CHRISTIAN H, JOHNSON JEROME J, FERGUSON PATRICK L
Format Patent
LanguageEnglish
Published 15.01.2008
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A computer system includes a plurality of memory modules that contain semiconductor memory, such as DIMMs. The system includes a host/data controller that utilizes an XOR engine to store data and parity information in a striped fashion on the plurality of memory modules to create a redundant array of industry standard DIMMs (RAID). The host/data controller also interleaves data on a plurality of channels associated with each of the plurality of memory modules. The system implements error interrupt control, ECC error reporting, cartridge error power down procedures in response to command errors, storage of error information in unused segments of each DIMM, hot-plug procedure indicator and remote tagging capabilities of memory cartridges and DIMMs.
Bibliography:Application Number: US20050291243