For example, if you are alerted to variations in the performance of the device’s fans, you may avoid having to take the deviceoffline for unanticipated service.
例如，如果提前收到设备风扇的工作异常警报，就可避免因意外服务导致设备脱机。
2
This way, a cell with the failed device can be taken offline, while production is serviced by the remaining cell (or cells).