Shulou(Shulou.com)06/01 Report--

Recently, a new H3C 5820X-26s 10 Gigabit switch was launched.

Boot connection found the following problem log a large number of errors reported as follows

Apr 26 15:32:26:821 2015 H3C DEV/1/FAN_DIRECTION_NOT_PREFERRED: Fan 2 airflow direction is not preferred on slot 1, please check it.

After checking the data, it is found that this series of H3C switches can adjust the wind direction of the fan in order to dissipate heat.

The configuration is as follows:

[H3C] display fan

Slot 1

FAN 1

State: FanDirectionFault

Wind Direction: Port-to-Power

Prefer Wind Direction: Power-to-Port

FAN 2

State: FanDirectionFault

Wind Direction: Port-to-Power

Prefer Wind Direction: Power-to-Port

Configure the desired direction of the fan:

System-view

[H3C] fan prefer-direction slot 1 port-to-power

% Apr 26 15 Fan 45 15 recovered 16 14 2015 H3C DEV/5/FAN_RECOVERED: Fan 1.

% Apr 26 15 Fan 45 recovered 16 14 2015 H3C DEV/5/FAN_RECOVERED: Fan 2

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