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Forum Discussion
ReadyNas Pro 6 High Temperature
I am running firmware version 6.9.3 on a old ReadyNAS Pro 6. Lately I have noticed that the system temperature is running higher than normal. I have noticed temperatures up to 68C. Hard drives and...
McRob1 wrote:
As suggested I tried turning off Bit Rot Protection for each share on the NASAfter letting it run overnight it cooled down to a new record low temperature with a system temperature of 54C.
McRob1, that seems odd to me. Bit Rot Protection does add some overhead - buf when you aren't reading/writing files it shouldn't be doing anything. Do you have an app running in the background that might be doing disk access (transmission for example)?
Perhaps try turning bit-rot protection on in shares that aren't updated that much, and see if the temps rise again.
You might also try enabling spin-down (if it isn't enabled already).
I am not sure what is going on here. I changed nothing last night and the NAS system temperature was back up to 60C this morning. The system fan speed was reported as 753 RPM which is lower than normal. It appears that the NAS simply wants to run hot by lowering the system fan speed just to keep warm.
I already have disk spin down enabled after 15 minutes. Disk temperature is around 85F.
I grabbed a screen shot showing how much work the NAS was doing for 24 hours. It was almost nothing but the temeratures slowly increased overnight.
Is there something in the operating system software that controls the fan speed relative to temperature?
If there is then it does not appear to be working as I would expect it to.
The fan is system-controlled, and I'd also expect it to maintain a lower system temp when set to cool.
But I am wondering if the system is really as hot as is being reported.
Thanks for the hint. Your comment that the fan was system-controlled made me wonder why then was the fan speed not changing when the system temperature increased.
I took the cover off the unit and popped out what looked like might be the system fan that was located on the side of the unit. See attached picture of what I found.
After a good cleaning of the area and then running the unit for some time I noticed that now the system fan speed adjust as required to keep the system temperature around 55C. The fan speed never went above 850 RPM before. Now the fan speed varies from 750 - 1500 RPM.
The dirt was either keeping the fan from reaching a higher speed or it was insulating the internal temperature probe from allowing the fan speed to increase.
It now appears to be actually controling the system temperature within a more normal range.
I guess you can have your cake and eat it too.
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