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About LinkBacksI know this topic is likely to be one like 'Apple vs Windows' or 'Vim vs Emacs', but what temperature should a server room be kept at in most people's views?
There are so many differing ideas around but hardly any of them are backed up with reasons.
I know this topic is likely to be one like 'Apple vs Windows' or 'Vim vs Emacs', but what temperature should a server room be kept at in most people's views?
There are so many differing ideas around but hardly any of them are backed up with reasons.
i leave mine at about 20
Mine is about 19-20
Server room sits at 18-20
its about 16 in mine.
Mine is at about 18 - 19 I think.
the air con keeps it at about 18-20 in the summer - the english weather and 60's brickwork keeps it at about 3 degrees above outside temp the rest of the year!
Why do you all keep it so low? Every server I've ever seen recommends operating temperatures of between 10 and 35 degrees C. In the age of reducing electricity usage, what are the advantages of keeping it at 20 degrees, over, say, 26 degrees? Even Google recommend 26.6 degrees (80 Fahrenheit).
I was always taught the key thing with electronics isn't low temperatures, but consistent temperatures.
Intel did a study and found no difference in numbers of failed equipment in comparison to lower temperatures. It also reduces the problems with low humidity issues.
In october when we had the warm spell, we had no air con in ours and the room was about 35 degrees by mid morning, you could feel the heat on the door handle on the outside it was that warm. Anyway, the servers were screaming for cool air... we had about 8 portable fans in there to try and push the hot air out the door.
fair point, i might turn mine upOriginally Posted by localzuk
When I was at my previous position, I campaigned for the server room air-con to be increased from 18 to 21 degrees, as there was no reason for them to be so low.
This 3 degree shift had no discernable effect on the servers, but deffo had an effect on the electricity bill!
Just before I left, there was a server move going on and the air-con was taken out to move to the new room...... Temperatures got as high as 33, but we had a door open constantly, and 3 fans in the room (which I still maintain just moved the hot air around!)
At my current place, I have had the cold air fan set to come on if the room goes above 24.
EDIT : Posted twice!
Last edited by aerospacemango; 26th January 2012 at 04:17 PM.
Because although the room may be that cold, the internal computer parts are not. ours is set to 19-21. 35 degrees may translate to 40 degrees case temp and 50 degrees CPU temp (depending on loads of factors) The fans will spin faster at this temp and require replacements sooner.
I think i remember Google doing a similar test with temperature, not sure how they got on.
Their tests resulted in them turning their temperatures up to 80 degrees in their data centres. Temperature · Google Data Centers
The hottest part of our server room (annoying corner where the return doesn't catch all the exhausted hot air from the switch rack) is 25 degrees, the intake temperature at the front of the server rack is around 20 degrees.
I base it on keeping the internal temperature of the hottest server in the middle of the rack within tolerable limits and I don't exactly have elbow room to redesign the cooling paths for more efficiency.
Now if I had room for hot and cold aisles, it'd use a lot less power.
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