FreeNAS Corral: Control Fan Speed for your Lenovo SA120 JBOD Enclosure

Earlier this year, I wrote an article on how to control the fan speed of your Lenovo SA120 JBOD from within FreeNAS. It turns out this doesn’t work on the newest FreeNAS 10 ( FreeNAS Corral ), but the reason is simple. When I went to run the Fan Speed control script, I got an error returned:  

  I pondered this a bit, but the first thing I thought of was to execute python2 and see if I got a shell…  

OK! So, I thought that…

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How To: Control Lenovo SA120 fan speeds from within FreeNAS

AndrewX192 has created a Python script to allow adjusting the fan speed of a Lenovo SA120. Step 1: Download the python script to your FreeNAS Log in to FreeNAS and open a shell Hit “paste” and copy below: curl https://raw.githubusercontent.com/AndrewX192/lenovo-sa120-fanspeed-utility/master/fancontrol.py > ./fancontrol.py To verify that this downloaded, run the command and look for the file. ls -alF Good! It is there. Step 2: Testing! On the next line, go ahead and execute the following command: python fancontrol.py 1 This will bring any attached Lenovo SA120 DAS down to the lowest…

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