REMOTE COPY PROCESSING METHOD, COMPUTER READABLE MEDIUM HAVING PROGRAM, AND SYSTEM

摘要

A method and a device for processing a remote copy, and a recording medium storing a program thereof are provided to quickly perform retrial for the forcibly opened remote copy by efficiently removing session information remained in a copy target having no host with a direction from the host connected to a copy source. A copy source session opening part makes the session information removed by ordering forcible stop of a session to the first RAID(Redundant Array of Independent Disks) device(12) when closure of a path between the devices is recognized. A copy target session opening part removes the session information remained in the second RAID device(14) by the direction passing the first RAID device when an error is generated by starting the session forcibly terminated in opening of the path between the closed devices.