×

Storage system

  • US 20050073887A1
  • Filed: 11/17/2004
  • Published: 04/07/2005
  • Est. Priority Date: 06/27/2003
  • Status: Active Grant
First Claim
Patent Images

1. A storage system group comprising:

  • a first storage system connected to a host device for sending data to and receiving data from said host device; and

    a second storage system connected to said first storage system for receiving data from said first storage system, wherein said first storage system comprises;

    a first storage area for writing data sent from said host device; and

    a second storage area for writing the data written in said first storage area and update information relating to said data;

    said second storage system comprises a third storage area for storing the data read from said second storage area and update information relating to said data; and

    the data and update information stored in said third storage area are read from said first storage system at prescribed time intervals.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×