Patent ID: 6480934
Filing Date: 2002-11-12
Classification: G06F

Abstract:
A method for a data storage system, having one or more of memory device(s), a host device, and a memory controller for controlling transfer of data stored in said memory device(s) responding to an instruction from said host device, the memory controller being connected to an interface for use in connection with said host device in a route which stands between said memory device(s) and said host device logically and connects to said host device logically, comprising:adding a new memory controller into said data storage system during on-line operation thereof in addition to said memory controller which is provided previously; turning on an electric power source of said new memory controller; and identifying said new memory controller by either one of a tool being operative on said host device and said memory controller, thereby sharing processing capability with said previously provided memory controller and said newly added memory controller.