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STORAGE SUBSYSTEM THAT CONNECTS FIBRE CHANNEL AND SUPPORTS ONLINE BACKUP

  • US 20110107029A1
  • Filed: 01/11/2011
  • Published: 05/05/2011
  • Est. Priority Date: 03/02/2001
  • Status: Active Grant
First Claim
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1. A storage system comprising:

  • a first disk array; and

    a second disk array,the first disk array comprising;

    a first port being 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,wherein 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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