Patent Number: 7,103,727

Title: Storage system for multi-site remote copy

Abstract: Information about remote copy target volumes of other storage systems 2 each having one and the same original volume V1 is registered for each remote copy target volume in advance. When there occurs a failure in a copy source storage system 2, a copy source volume for remote copy target volumes using the storage system 2 having a failure as their copy source is selected newly from the registered copy source volumes, and remote copy is resumed.

Inventors: Morishita; Noboru (Yokohama, JP), Nakano; Toshio (Chigasaki, JP), Higaki; Seiichi (Odawara, JP)

Assignee: Hitachi, Ltd.

International Classification: G06F 12/00 (20060101)

Expiration Date: 9/05/02018