Patent ID: 7529950

Claim:
An information processing system comprising: an information processing device; a first storage system having a first volume, said first storage system being connected to said information processing device; a second storage system having a second volume, said second storage system being connected to said first storage system; wherein, in an information processing system which performs remote copying from said first volume to said second volume, power control is performed relating to said second volume by coordinating with a remote copy process from said first storage system to said second storage system, said second storage system having a pending-data storage unit, and performing remote copying of pending data as to said first volume to said pending-data storage unit of a second storage system; wherein power reduction relating to said second volume is instructed after a restore process of the pending-data copied to said pending-data storage unit to said second volume is completed, when said coordinated remote copy process is a remote copy stopping instruction process.