×

Storage system and storage control device

  • US 20060090048A1
  • Filed: 12/21/2004
  • Published: 04/27/2006
  • Est. Priority Date: 10/27/2004
  • Status: Abandoned Application
First Claim
Patent Images

1. A storage system which is constructed by communicably connecting a first storage control device and a second storage control device, and which performs data processing in accordance with requests from a higher device, wherein said first storage control device comprises:

  • a first real volume;

    a first virtual volume which can form a copying pair with said first real volume;

    a first control part which respectively controls data communications between said first real volume and said first virtual volume, and said higher device and said second storage control device; and

    a synchronizing part which synchronizes the storage contents of said first real volume and the storage contents of said first virtual volume; and

    said second storage control device comprises;

    a second real volume which is associated with said first virtual volume; and

    a second control part which respectively controls data communications between said second real volume, and said higher device and said first storage control device.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×