Patent ID: 7734769
Filing Date: 2010-06-08
Classification: G06F,H04L

Abstract:
1. A monitoring system comprising a plurality of apparatuses connected to a network, wherein each apparatus in said plurality of apparatuses exclusively, monitors for an occurrence of trouble in a single monitoring object apparatus, which is one of the other apparatuses of the plurality of apparatuses, and is exclusively monitored by a single monitor apparatus, which is another one of the other apparatuses in the plurality of apparatuses, and wherein each of said plurality of apparatuses comprises: a storage apparatus including a management information storing portion in which a monitoring object identifier and a monitor identifier are registered: a monitoring unit that monitors for an occurrence of trouble in said monitoring object apparatus indicated by said monitoring object identifier; a responding unit that responds to the monitor apparatus indicated by said monitor identifier; and a separation processing unit comprising a searching unit that searches, when the monitoring unit detects an occurrence of trouble in the monitor object apparatus, for a search target apparatus, which is the apparatus monitored by the monitor object apparatus in said plurality of apparatuses in said system, said searching unit includes means for searching for said search target apparatus by requesting other apparatuses in said plurality of apparatuses in said system to send back an identifier of the monitor object apparatus of each apparatus of the plurality of apparatuses in the system, and a management information changing unit that makes the search target apparatus as a new monitor object apparatus by changing said monitoring object identifier registered in said storage apparatus to an identifier of said search target apparatus, and changing said monitor identifier registered in storage apparatus of said search target apparatus to an identifier of said apparatus.