Storage control method and storage control system

Details Storage control method and storage control system Storage control method and storage control system

2005-10-13

2008-12-16

Patel, Niketa I (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output access regulation

C709S228000, C709S229000, C709S239000, C709S225000, C710S062000, C711S150000

Reexamination Certificate

active

07467241

ABSTRACT:
A control system for a plurality of storage systems has at least one path that is selected from a plurality of paths where one of three or more storage systems is a start point storage system and another one thereof is an end point storage system. According to the selected path, the external connection processing for writing data to an external volume which corresponds to a virtual volume, and/or the remote copy processing for writing data to be written in a copy source volume to a copy destination volume, is/are executed at least once. By this, the data received by the start point storage system is written to the logical volume in the end point storage system.

REFERENCES:
patent: 5742792 (1998-04-01), Yanai et al.
patent: 6131148 (2000-10-01), West et al.
patent: 2003/0185064 (2003-10-01), Hirakawa et al.
patent: 2004/0103254 (2004-05-01), Satoyama et al.
patent: 2004-220450 (2004-08-01), None

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