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Forum Discussion
How to control fanspeed on a RN104
On special request, here is a workaround for controling the fanspeed of the RN104 ( most likely the same on a 102). For this you will have to SSH in to the NAS. Thanks to Moseleypj for doing the ...
Does anybody know where to scrape the HDD temperatures from? I'd like to base the fan control on hard drive temperature rather than CPU temperature.
EDIT: Okay, getting it from smartctrl
I set MINTEMP=28 and MAXTEMP=36 for HDD temp limits. I changed CORETEMP in the getReadings function to : CORETEMP=$(/usr/sbin/smartctl -a /dev/sdb | grep Temper | awk '{print $10}')
sdb is my middle drive, so tends to be hottest. The rest of the loops in the code I left alone. This seems to be keeping my fan around 1500 RPM and HDD at 33 degrees. I don't run any CPU intensive stuff , so I figure this should be safe CPU-wise, since there should be a rise in HDD temp that would increase the fan to cool the CPU as well if anything is going on in there.
EDIT: Okay, getting it from smartctrl
I set MINTEMP=28 and MAXTEMP=36 for HDD temp limits. I changed CORETEMP in the getReadings function to : CORETEMP=$(/usr/sbin/smartctl -a /dev/sdb | grep Temper | awk '{print $10}')
sdb is my middle drive, so tends to be hottest. The rest of the loops in the code I left alone. This seems to be keeping my fan around 1500 RPM and HDD at 33 degrees. I don't run any CPU intensive stuff , so I figure this should be safe CPU-wise, since there should be a rise in HDD temp that would increase the fan to cool the CPU as well if anything is going on in there.
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