    # File lib/fog/vcloud/models/compute/server.rb, line 149
            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