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INFORMATION SYSTEM, DATA TRANSFER METHOD AND DATA PROTECTION METHOD

  • US 20100205479A1
  • Filed: 04/26/2010
  • Published: 08/12/2010
  • Est. Priority Date: 10/30/2006
  • Status: Active Grant
First Claim
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1. An information system comprising:

  • a first computer;

    a first storage apparatus coupled to the first computer and including a first volume;

    a second storage apparatus coupled to the first computer and the first storage apparatus, and including a second volume; and

    a third storage apparatus coupled to the first storage apparatus and including a third volume,wherein the first storage apparatus and the second storage apparatus execute remote copy of copying data storage in the first volume to the second volume, andwherein the first storage apparatus and the third storage apparatus execute remote copy of copying data stored in the first volume to the third volume.

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