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Questions tagged [cooling]

The tag has no usage guidance.

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1answer
36 views

Hardware Checks after Air Conditioning Failure

We had an overnight air conditioning failure. We discovered that the temperature in the server room had reached about 110-115°F (43-46°C). We powered off everything that hadn't already and had the A/C ...
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0answers
145 views

How to calculate total rack room ventilation required?

We've got a rack room in a project where we dont have AC. Ive got a room which we plan to setup as per the rough diagram here. The rack room has 3 external walls. The rack is an open frame rack ...
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1answer
53 views

Server advice for a newbie [closed]

I'm new to serverfault, and server computers in general, and I got a few questions. Forgive me, they're quite basic, but I'd like the clarity. So, lately I've been doing quite a few CPU intensive ...
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2answers
743 views

HP DL380p Fans run 100% as soon as OS Loads

Sounds like a 747 taking off. I have 2 exactly the same, bought used. Has P420i RAID controller, 64GB RAM, 3 500GB SSD, each in its own RAID0 array, and 2 - 2TB Seagate Firecuda hybrid drives in ...
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7answers
410 views

Server corrosion, air conditioning and climate control

We made the unfortunate discovery that our servers in our in-office server room are rusting away. This came to light after the first one had failed. One obvious candidate is the AC unit, that ...
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3answers
631 views

Random CPU and case fan speed up to maximum

Motherboard: ASRock EP2C602-4L/D16 RAM: Kingston KVR16R11D4K4/64 CPUs: Intel Xeon E5-2670 x2 CPU coolers: Noctua NH-U12DXi4 x2 Case fans: Noctua NF-F12 x6 I have had the system for about a month. ...
2
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2answers
244 views

Estimate power and cooling for server room

We are trying to determine the right power and cooling for a new server room which would be about 350 sq ft., our power is 220V. We are initially only planning to start with a single rack with ...
4
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2answers
834 views

Is there a best placement of hot hardware in a rack to maximize convection cooling for the whole rack?

To maximize convection cooling in a rack, does it make a difference whether the hottest items are at the top or bottom? If so, which produces the most cooling and why? Please limit answers to ones ...
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1answer
49 views

Where to find high/critical temperatures for GPU?

I am looking for a database that has high and critical temperatures listed for CPU's and GPU's, or a tool that will be able to extract this information. Google is filled with 'my gpu runs at 63C, is ...
0
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1answer
61 views

Has anyone purchased an AcoustiRack?

Looking for first hand experience with an AcoustiRack. Noise is fairly important. The main concern is heat. The unit will have a few Dell servers r510, r620, VRTX fully loaded, 2 APC UPS 2200va. ...
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1answer
48 views

Cooling Solution for CCTV Rack

I'll do my best to provide a clear question. I'm not a network/server guy...just a young controls/systems engineer who knows enough to be dangerous :) My company is working on a major controls ...
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1answer
85 views

In a 42U server rack with 12 very hot 2U-nodes, what is a good configuration? All nodes at the top or bottom?

Currently we cannot fill the 19" rack completely. So we have 12 GPU nodes, 2U each. The 42U rack is connected to a cooling unit that blows cold air in front of the computers, sucking in hot air from ...
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1answer
77 views

Upgrading CPUs for my HP G5 DL380 - will the cooling suffice?

Just a month ago or so, I bought my first rack server for some personal number crunching. It's been great fun playing around with and I'm thinking about upgrading the CPUs to get more bang for the ...
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0answers
49 views

Poweredge 1950 iii SO LOUD with 8gb fb-dimm stick [duplicate]

I understand that the 1950 family is pretty notorious for the fan speed sound like a jet engine taking off. I just flashed the bios to the latest version, and now it can support my 8x8gb FB-DIMMS! ...
0
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1answer
111 views

Exhausting Heat in Server Rack

I was recently provided a 4 post Server Rack/Cabinet (48U) to fit all my equipment cleanly. One of the items they provided was a Tripp Lite Rackmounted A/C Unit (SRCOOL7KRM). This was truly Awesome ...
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2answers
3k views

Cisco Catalyst 2960 Switches - Can I reverse the air flow?

I have some equipment that will be moved to a new datacenter soon. At the current datacenter, the switches are mounted in the back of the racks so the air flow for the switches is reverse in ...
42
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8answers
6k views

Server Room Temperature Control

We have a makeshift server room that contains a rack with half a dozen servers and some network equipment. The room is cooled by a dual-hose portable a/c unit that is vented into the attic. At this ...