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Old 1st Jul 2008, 14:26   #1
Rhys
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How Cold is your Server Room?

Ours is about 34C.

EDIT - Directly behind server racking.
Last edited by Rhys; 1st Jul 2008 at 14:29.
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Old 1st Jul 2008, 14:29   #2
hamesy
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That's a little warm isn't it?

Ours is around 18-20C.

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Old 1st Jul 2008, 14:31   #3
Rhys
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Quote:
Originally Posted by hamesy View Post
That's a little warm isn't it?

Ours is around 18-20C.
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?
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Old 1st Jul 2008, 14:32   #4
jonislost
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Sounds very warm to me. Ours goes mental if it goes above 25C normally its about 15 - 18C in them.

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Old 1st Jul 2008, 15:32   #5
Delvis
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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

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Old 1st Jul 2008, 15:37   #6
clv101
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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.

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Old 1st Jul 2008, 15:56   #7
Tearz
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18-20C here
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Old 1st Jul 2008, 16:15   #8
mosfet
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Around 25 degrees C. It always feels a little hot, as the air-con's not great, but it's well within reason.
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Old 1st Jul 2008, 16:40   #9
TheKnat
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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.
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Old 1st Jul 2008, 16:57   #10
Sp00n
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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

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Old 1st Jul 2008, 18:02   #11
J1nxy
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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]
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Old 1st Jul 2008, 18:27   #12
clv101
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Quote:
Originally Posted by J1nxy View Post
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]
You're quite right, as I mentioned above.

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Old 1st Jul 2008, 20:59   #13
Netvyper
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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?

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Old 2nd Jul 2008, 07:06   #14
Baz
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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

Intentionally left blank

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Old 2nd Jul 2008, 08:04   #15
Stolly
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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.

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Old 2nd Jul 2008, 08:42   #16
Rhys
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Quote:
Originally Posted by J1nxy View Post
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]
Do you have any links to the study findings?
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Old 2nd Jul 2008, 09:54   #17
Witor
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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...

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Old 2nd Jul 2008, 09:59   #18
sidethink
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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
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Old 2nd Jul 2008, 10:45   #19
waso_dude
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Ours is 23 degrees

PC: i7 3770k @ 4.6ghz - 970 GTX - 24GB DDR3
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Old 2nd Jul 2008, 13:22   #20
Sone
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18 here
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Old 2nd Jul 2008, 13:30   #21
Chronictank
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18-25 here

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Old 2nd Jul 2008, 16:07   #22
Vtec9k
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Quote:
Originally Posted by J1nxy View Post
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]
I'm sure that's correct, I've had mine hit 40+ for long periods of time a few summers ago before we could get our existing aircon upgraded. No problems at all.

The problem I see is that it leaves little room for failure, 40-50 ambient in the room would mean 50-60 inside the servers. One problem with the aircon and you could quickly see the temps getting a little too hot.

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Old 2nd Jul 2008, 20:11   #23
Ev0
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Bloomin' freezing when in there for ages

In our main office got 3 of the 4 walls with air conditioning units on so trying to hide from the blasts of cold air isn't easy. Can't even stand directly under one as the direction of the air flow moves
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Old 2nd Jul 2008, 21:00   #24
.walls
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about 18C. bloody loud though, but then it's a datacentre with a few thousand boxes in it!
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Old 2nd Jul 2008, 21:09   #25
Caged
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18-ish degrees, with two units (one on standby ready to kick in if the temperature hits 25).

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Old 2nd Jul 2008, 22:19   #26
Nikumba
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The accepted industry standard tends to be anything from 15 to 20, but most sit around the 18 mark
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Old 3rd Jul 2008, 11:33   #27
tbz_ck
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21 degrees. Saves money. Don't need the room at 18 to be honest

Blah blah blah
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Old 3rd Jul 2008, 11:52   #28
bigredshark
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Wear a coat if you're in there for more than 5 minutes cold. good enough for me, in spite of that the line cards in some of the MPLS kit hover around the 70 degree mark and they supposedly fail at 95 degrees...

now without signature! ;(
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Old 3rd Jul 2008, 12:46   #29
VeNT
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get some heat sinks on em, cold air is no good without surface area!

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Old 3rd Jul 2008, 13:02   #30
Five_Star
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Thermometer says 27 c°, no air con in our temporary home
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