Patent ID: 6654880
Filing Date: 2003-11-25
Classification: G06F

Abstract:
A method of restarting a system that includes a central controller, two main memories, one for working and the other for standby, connected to said central controller, and an external storage device connected to said central controller, comprising the steps of:inhibiting switching of said standby main memory into said system to hold a copy of the contents of the working main memory in the standby main memory when the standby main memory is in an operating condition, in response to the detection of a system down; transferring at least part of the contents of said standby main memory to said external storage device after operation of said central controller and said working main memory is resumed from an initial state after having inhibited the switching of said standby main memory; and releasing said standby main memory from the switching inhibited state after completion of the transfer to said external storage device.