The invention refers to computer system technology field. The effective method for managing the joint resources of the armada system is partition lease. The armada joints are allocated into several different partition areas, and the joints are managed independently with by its tactics. When the resources in one partition area is not enough, it can realize the partition areas cooperation with some rules, that is to say, leases the joint resources of other area. The steps of the method are: a) creates a partition information file which is named as pools; b) the partition area resources managing device is started and initialized according to the pools file; c) the public bulletin is started and initialized according to the pools file.