Storage system for sending an access request from a host to a storage subsystem
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United States of America Patent
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Nov 1, 2011
Grant Date -
Jul 7, 2011
app pub date -
Jan 28, 2011
filing date -
Dec 22, 1998
priority date (Note) -
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Abstract
A disk storage system for controlling a plurality of disk devices in multiple disk array systems consisting of disk array switches in a fiber channel connection where the disk devices are organized as multiple logical units. The multiple logical units are mapped between each other to improve high speed operation of the disk storage system and the disk storage system transfers data mutually between the two or more disk array switches improving performance and throughput.
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