Storage subsystem that connects fibre channel and supports online backup
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United States of America Patent
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Jul 31, 2012
Grant Date -
May 5, 2011
app pub date -
Jan 11, 2011
filing date -
Mar 2, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The storage system includes first and second disk arrays. The first disk array has a first port coupled to a second port of the second disk array, a port controller controlling the first port, a plurality of disk devices to store data, and a controller managing a plurality of logical units on the plurality of disk drives. The first port controller controls the first port so as to execute, in a time-sharing manner, data transfer corresponding to a initiator task and data transfer corresponding to a target task. The initiator task is generated to execute the data transfer from a first logical unit on the plurality of disk drives of the first disk array to a second logical unit on a plurality of disk drives of the second disk array. The target task is generated to execute the data transfer to receive data from the second disk array.
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