High availability asynchronous computer system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 2, 2002
Issued Date -
N/A
app pub date -
Sep 22, 2000
filing date -
Dec 22, 1997
priority date (Note) -
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Abstract
A method and apparatus for receiving status information from shared logical memory modules in a computer system including redundant memory. The status information includes whether the shared logical memory modules are in a transitional state and the number of logical memory modules in the mirror set. When shared logical memory modules are added or removed from redundant memory they go through a transitional state when the memory card may respond to a request for data held on the card, but that data may be unreliable. Checking this status information allows better error checking of data and fault detection of the shared logical memory module.
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