Patent ID: 8230258
Filing Date: 2012-07-24
Classification: G06F

Abstract:
1. A method for controlling a system monitoring device which retains hardware state information of a computer system and OS software state information of a hardware control instruction given by OS software and monitors and controls the computer system, the method comprising: storing the information managed by the system monitoring device as save information in a non-volatile memory located outside the system monitoring device itself, when state change of the hardware state information and OS software state information is recognized during operation of the computer system; reading the save information from the non-volatile memory and restoring the corresponding hardware state information and OS software state information to respective pre-failure states when re-activation accompanying active replacement of the system monitoring device which has failed is recognized; recognizing operating hardware according to the save information and restoring hardware state information generated for the recognized hardware during active replacement; and recognizing operating OS software according to the save information and restoring OS software state information generated for the recognized OS software during active replacement.