Method of increasing system availability by splitting a system
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United States of America Patent
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Sep 26, 2006
Grant Date -
Sep 11, 2003
app pub date -
Feb 13, 2003
filing date -
Feb 14, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A method is provided for splitting a system comprising a processor subsystem including a plural number (n.sub.p) of processors, and an instance of a database. A number (n.sub.n) of nodes is selected that the system is to be split into. Each node may be provided with a processor subsystem including at least one processor. At least some of the nodes further include an instance of at least a portion of the database. A network is provided for communications among the nodes. At least some of the nodes that contain an instance of at least a portion of the database are automatically synchronized so that contents of the database that exist in plural nodes remain synchronized in at least some of the plural nodes whenever contents of the database at one of the nodes is changed. Systems with multiple processors, but without databases, may also be split in the same manner.
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