In a management system for a storage system including plural file sharing environments, a maintenance interval calculating part calculates a time interval average for operation commands given to the file sharing environments; a management difficulty calculating part calculates an index showing difficulty of managing the file sharing environment; a usage degree calculating part calculates an index showing a usage degree of each of the file sharing environments; a processing content keeping part keeps numerical ranges for the average maintenance interval, the management difficulty, and the file sharing environment usage degree in association with processing contents for the maintenance interval calculating part, the management difficulty calculating part, and the usage degree calculating part; a storing area stores each of the file sharing environments and the processing contents in association with each other; and a processing content executing part executes the processing contents for each of the file sharing environments.