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How Cold is your Server Room?

Discussion in 'Servers and Enterprise Solutions' started by Rhys, Jul 1, 2008.

  1. Rhys

    Wise Guy

    Joined: Jan 3, 2006

    Posts: 1,788

    Location: South Wales

    Ours is about 34C.

    EDIT - Directly behind server racking.
    Last edited: Jul 1, 2008
  2. hamesy

    Wise Guy

    Joined: Nov 22, 2007

    Posts: 1,573

    Location: Cannock

    That's a little warm isn't it?

    Ours is around 18-20C.
  3. Rhys

    Wise Guy

    Joined: Jan 3, 2006

    Posts: 1,788

    Location: South Wales

    Thats what we thought :) Our air con setup is not good. I was curious to see what other people are getting. Can you say where that temperature is taken too?
  4. jonislost

    Wise Guy

    Joined: Jul 23, 2007

    Posts: 1,907

    Location: Swindon

    Sounds very warm to me. Ours goes mental if it goes above 25C normally its about 15 - 18C in them.
  5. Delvis


    Joined: Nov 7, 2004

    Posts: 26,397

    Location: Buckinghamshire

    In your average server room, with the servers installed in racks I mean. You would want the racks facing towards the aircon's airflow, with the possibility of extraction at the back of the server racks somewhere.

    Well...That's the normal type of setup I see at work on the sites I work at :)
  6. clv101


    Joined: Oct 18, 2002

    Posts: 9,849

    Location: Bristol

    There's work being done at the moment to increase temperatures, or at least find the maximum temperatures before equipment starts to fail. The conventional 18-20C thinking is too conservative. Most kit is fine up to 40ish, running the room that hot saves loads of money on air-conditioning.
  7. Tearz


    Joined: Jan 20, 2005

    Posts: 137

    18-20C here
  8. mosfet

    Wise Guy

    Joined: Sep 28, 2004

    Posts: 1,152

    Location: London

    Around 25 degrees C. It always feels a little hot, as the air-con's not great, but it's well within reason.
  9. TheKnat

    Wise Guy

    Joined: May 13, 2007

    Posts: 1,821

    Location: Lancashire, UK

    about 20C here. One main aircon unit at the front of the servers with 2 smaller ones behind it.

    Not the best of setups but the server room is oddly shaped.
  10. Sp00n


    Joined: Oct 18, 2002

    Posts: 17,632

    Location: Brighton

    It was 30 degree's in ours today, the aircon unit is some pikey portable unit that sits in the corner and needs to be filled up with water every 5 minutes.

    I must have told them 10 times that we need to plum in a proper system but they just won't listen, one day we will come in on a monday and everything will be dead... then i can say I TOLD YOU SO :D
  11. J1nxy


    Joined: Feb 17, 2003

    Posts: 4,786

    Location: Northampton

    There have been a few studys recently (one of my hosting team has been harping on about them)which have shown that as long as the humidity is low that computer rooms into the 40-50 mark are viable with little if any reduction in the life of the hardware. Obviously not nice to work in or near but gives a different twist on what the rooms can support. Also it appears that hard drives have an extended life in a warmer temperature...

    [prepares for the barrage of comments]
  12. clv101


    Joined: Oct 18, 2002

    Posts: 9,849

    Location: Bristol

    You're quite right, as I mentioned above.
  13. Netvyper


    Joined: Oct 28, 2002

    Posts: 534

    Location: Taunton, Somerset

    Our room is a pleasant 16-18'c; having just had a 2nd aircon unit installed; One is mostly idle; but having seen what happened with just an hour's downtime in the room, Resiliancy is key. The back of the racks are obviously a bit warmer; but not too warm to work comfortably in.

    I think more than absolute temperatures being bad for kit, its the change in temperature which causes more issues?
  14. Baz


    Joined: Dec 9, 2002

    Posts: 4,224

    Location: S Lincs

    18'c according to the AC's temp monitor.
    We did have a problem 2 years ago when the outside unit overheated during 30'c weather, so we had a big ass unit installed. It is only 2 racks and 20 servers, but they do kick out some heat. This time of year I love going in there to cool off :)
  15. Stolly


    Joined: Mar 11, 2004

    Posts: 4,846

    Has been talk of putting the AC in the rack, where it can cool more efficiently.

    The ultimate situation will be to have liquid cooling in the rack, and the servers plug into it to be liquid cooled themselves, like you'd plug it into the PDU now.

    That way the air never gets warm, and you won't need to AC the room.
  16. Rhys

    Wise Guy

    Joined: Jan 3, 2006

    Posts: 1,788

    Location: South Wales

    Do you have any links to the study findings?
  17. Witor


    Joined: Jan 9, 2007

    Posts: 2,729

    Location: Gibraltar

    2 aircon units, 20sq m room, running at 20-22 degrees. Mind u, its 32 degrees outside now so they a/c are being worked hard...
  18. sidethink


    Joined: Apr 13, 2007

    Posts: 961

    Location: Belfast, Northern Ireland

    About 18C here, some hotspots at the back of particular server racks of course, but nothing above 21C

    The environmental sensor probes are set to go off with a warning at 25C
  19. waso_dude


    Joined: Oct 22, 2006

    Posts: 5,903

    Ours is 23 degrees :)
  20. Sone


    Joined: Oct 18, 2002

    Posts: 7,594

    18 here

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