Storage subsystem with management site changing function
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United States of America Patent
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Jun 21, 2005
Grant Date -
Oct 16, 2003
app pub date -
May 14, 2003
filing date -
Apr 10, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A storage subsystem which includes a plurality of disk controllers, a plurality of disk drives connected via a network to the plurality of disk controllers, and a path controller connected to the plurality of disk controllers. The path controller changes a management site which manages a volume in each disk drive managed by each disk controller, from one disk controller to another. The path controller has a correspondence table which stores a correspondence between a volume number of a volume in each disk drive and identification information of the disk controller which manages a volume corresponding to the volume number.
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