HP A5800AF-48G Switch

[svmayol]

hi all, we have this switch that triggers alarm in the fan. it produce noise.

the FAN cli alert:

#Apr 30 10:46:41:924 2000 HP SHELL/4/LOGIN:               

<HP>

%Apr 30 10:47:10:843 2000 HP DEVM/4/DEV_FANDIRECTION_NOTPREFERRED: 

Fan 2 airflow direction is not preferred on slot 1, please check it.            

%Apr 30 10:47:11:643 2000 HP DEVM/4/DEV_FANDIRECTION_NOTPREFERRED:                     Fan 1 airflow direction is not preferred on slot 1, please check it.                   %Apr 30 10:48:30:853 2000 HP DEVM/4/DEV_FANDIRECTION_NOTPREFERRED:                     Fan 2 airflow direction is not preferred on slot 1, please check it.                  

%Apr 30 10:48:31:653 2000 HP DEVM/4/DEV_FANDIRECTION_NOTPREFERRED:                     

Fan 1 airflow direction is not preferred on slot 1, please check it.

%Apr 30 10:52:30:853 2000 HP DEVM/4/DEV_FANDIRECTION_NOTPREFERRED:                     Fan 2 airflow direction is not preferred on slot 1, please check it.                   %Apr 30 10:52:31:654 2000 HP DEVM/4/DEV_FANDIRECTION_NOTPREFERRED:                     Fan 1 airflow direction is not preferred on slot 1, please check it.

any help . thanks

[manuel.bitzi]

hi svmayol

you have to set the fan direction in the configuration. Like

fan unit x pefered-direction x

Then the Switch is able to reculate the fan speed.

br

Manuel