Clustered storage system and its control method
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United States of America Patent
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Jul 20, 2010
Grant Date -
Oct 2, 2003
app pub date -
Nov 20, 2002
filing date -
Apr 2, 2002
priority date (Note) -
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Abstract
A clustered storage system includes a plurality of nodes and a management server that consolidates physical position information concerning data in each of the nodes. The management server includes a process to relate the information to the configuration of the clustered storage system and the configuration of each node and present such relations. Each node has a process to obtain the size and load of resources that are used in processing. The management server has a process to collect and tally such resource usage status from each node, and a process to relate the resource usage status, the data information and configuration information to each other and present the relations in a hierarchy. The clustered storage system has a process to move logical volumes among nodes in a manner transparent to the host computer. The management server has a process to support the selection of source data and destination physical position through information display, and a process to receive instruction for such move and to direct the clustered storage system of such move.
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