Patent ID: 7096337

Claim:
An information processing system comprising: a plurality of disk storages; a plurality of computers that access said plurality of disk storages; and a management computer; wherein each of the computers has a controller which counts a frequency of access to each of the disk storages and which, upon receiving an access path change command to change access paths for the computer, accesses a different disk storage according to the access path change command; and wherein the management computer has a controller which collects and totals a frequency of accesses to each disk storage, as counted by the controller of each of the computers, instructs one of the disk storages as a copy source disk storage to copy content in the copy source disk storage into one or more other disk storages as one or more target disk storages when the totaled access frequency is higher than a predetermined value, and instructs the controller of the computer that accesses the copy source disk storage, after receiving a report of copy completion, to change access paths so as to access a target disk storage instead of the copy source disk storage.