A resource management device includes a memory and a processor configured to accept, from the terminal, a request to execute an exclusion of a first processing device from a device group, the device group including processing devices that execute processing in response to an instruction, execute copying of a processing execution history from a storage in the first processing device to a second processing device different from the first processing device among the device group in response to the request, and execute the exclusion of the first processing device from the device group after completion of the copying of the processing execution history.