Method of improving the availability of a computer clustering system through the use of a network medium link state function
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United States of America Patent
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Aug 5, 2008
Grant Date -
Feb 10, 2005
app pub date -
Aug 18, 2004
filing date -
Dec 21, 2000
priority date (Note) -
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Abstract
A method for improving the availability and reliability of a computer clustering system having first and second servers that are connected to each other by a communication link and that each have an associated mass storage device. In one implementation, the method begins when the first server detects a loss of communication over the communication link from the second server to the first server that prevents the servers from communicating with each other. The first server then analyzes the communication link to determine if the communication link is functioning properly. If the communication link is functioning properly, then the first server continues operation, assuming a right to survive without communicating with the second server or with the mass storage device of the first server or with the mass storage device of the second server, and the first server services network requests that would otherwise be serviced by the second server.
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