# File lib/fog/vcloud/models/compute/server.rb, line 137
        def delete_disk(number)
          if @disk_change == :added
            raise RuntimeError, "Can't delete a disk w/o saving changes or reloading"
          else
            load_unless_loaded!
            unless number == 0
              @disk_change = :deleted
              @remove_disk = number
            end
          end
          true
        end