A lockable media storage container includes a lock disposed within the lock reception cavity defined by the container. In addition, a single physical host managing node is selected depending on instance type information included in an instance starting request from a user terminal, and the instance starting request is sent to the selected physical host managing node. The management device may confirm whether the IP address of the specific device has changed since transmitting the first program by utilizing identification information for identifying the specific device. Thereafter, FFs to replace with scan FFs are selected in such a way as to facilitate testing on loadhold FFs.