Computer system management method, management server, computer system, and program
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 14, 2010
Issued Date -
N/A
app pub date -
Jan 5, 2007
filing date -
Jan 6, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
This invention provides a method of controlling switching of computers according to a cause of failure without preparing one standby node for each active node. For n active nodes (200), m standby nodes (300) of different characteristics (in terms of CPU performance, I/O performance, communication performance, and the like) are prepared. The m standby nodes (300) are assigned in advance with priority levels to be failover targets for each cause of failure. When a failure occurs in one active node (200), a standby node that can remove the cause of the failure is chosen out of the m standby nodes (300) to take over data processing.
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