ENTRUSTED MANAGEMENT METHOD FOR A PLURALITY OF RACK SYSTEMS

An entrusted management method for a plurality of rack systems is provided, which includes the following steps. The rack systems are provided, in which each rack system respectively includes an integrated management module (IMM) and a plurality of internal rack devices. The rack systems are distributed into at least one rack group, and one of a plurality of IMMs in each rack group is selected to serve as a primary IMM. The primary IMM is connected to other IMMs through a network, and performs a synchronous configuration procedure to back up a plurality of pieces of configuration information of the other IMMs in the rack group. When an anomaly occurs in a specific IMM or the specific IMM submits an entrustment request, the primary IMM manages, through the network, internal rack devices originally managed by the specific IMM.