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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Detach volume and mark all disks as new in FreeNAS (erase everything)

This might seem like a no-brainer… I guess the UI is just a bit misleading, I don’t know. I wanted to erase my freenas disks, but I guess “detach volume” didn’t sound convincing enough? Anyways, this is new for me because usually I’m worried about losing my data and avoid wiping out volumes like the plague. Today, I’m wiping out a FreeNAS 9.10 server to re-purpose. I wanted to rebuild the array for better performance. It’s very simple to (willfully) destroy a volume in FreeNAS: Log In to FreeNAS Navigate…

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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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