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Storage system and data replication method

  • US 20080005288A1
  • Filed: 08/28/2006
  • Published: 01/03/2008
  • Est. Priority Date: 06/29/2006
  • Status: Active Grant
First Claim
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1. A storage system comprising:

  • a first storage apparatus connected to a host system, that stores data transmitted from the host system; and

    a second storage apparatus connected to the first storage apparatus, that stores backup data for the first storage apparatus,wherein the first storage apparatus includes;

    an identification unit that identifies one or more requests for changing data storage area logical configuration information from among one or more requests sent from the host system,a first changing unit that changes data storage area logical configuration information for the first storage apparatus based on each of the one or more requests for changing data storage area logical configuration information identified by the identification unit, anda transmission unit that sends each of the one or more requests for changing data storage area logical configuration information to the second storage apparatus;

    and the second storage apparatus includes;

    a second change unit that changes data storage area logical configuration information for the second storage apparatus to be the same as that for the first storage apparatus, based on each of the one or more requests for changing data storage area logical configuration information sent from the transmission unit.

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