# File lib/fog/terremark/models/shared/server.rb, line 109
        def shutdown
          requires :id
          begin
            connection.power_shutdown(id)
          rescue Excon::Errors::InternalServerError => e
            #Frankly we shouldn't get here ...
            raise e unless e.to_s =~ /because it is already powered off/
          end
          true
        end