Path control method
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United States of America Patent
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May 27, 2008
Grant Date -
Aug 25, 2005
app pub date -
Mar 17, 2004
filing date -
Jan 30, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a computer system in which a computer, storage devices, and a storage management device are connected by a network, the computer or a first storage device accesses a second storage device using a plurality of paths in the network, and the computer or the first storage device performs load balancing among the plurality of paths on the basis of a ratio set in advance, it is detected that congestion has occurred on a path, a ratio at the time of congestion of the path is calculated, and a difference between the ratio at the time of congestion and the ratio set in advance is allocated to a ratio of the other paths between the computer or the first storage device and the second storage device.
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