Patent ID: 7111192
Filing Date: 2006-09-19
Classification: G06F

Abstract:
1. A method for operating a storage system in which a disk array device provided in a main site and a disk array device provided in a back-up site are connected by means of a communications network, wherein the disk array device in said main site and the disk array device in said back-up site respectively includes a channel adapter for controlling transmission and reception of data to and from a host device, a disk adapter for controlling data transmission and reception to and from a disk, and a memory shared by said channel adapter and said disk adapter; said operating method comprising: a first step of generating a copy disk of a prescribed disk provided in the disk array device of said main site, within the disk array device of said main site, by the disk adapter of the disk array device in said main site; a second step of removing said copy disk from said disk array device of said main site and installing said copy disk in a prescribed position of the disk array device of said back-up site; and a third step of storing configuration information, relating to said prescribed disk held in the disk array device of said main site, in the memory of the disk array device of said back-up site, wherein, in said second step, said copy disk is installed in the disk array device of said back-up site, in the same installation position as the installation position of said prescribed disk in the disk array device of said main site.