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-3
votes
2answers
198 views

HP ProLiant DL380e Gen8 has high fan speed after installing second CPU

Today I installed a second CPU in our HP ProLiant DL380e Gen8, and after booting the fans all went to 99.96%. This causes the server to make an enormous amount of noise. Could it damage the server? ...
0
votes
1answer
188 views

HP ProLiant DL385 G6 - “Fan Solution Not Sufficient” error

I have a HP DL385 G6 that is acting up. Weeks ago it stopped booting with an error of Fan Solution Not Sufficient. The front panel indicating that fans 3 and 4 were down though both these fans are ...
1
vote
1answer
137 views

Can't find fan speed setting on Supermicro X9DRW

I have one Supermicro server with a X9DRW board, BIOS v1.0a, that does not seem to have any way of controlling fan speed. I've looked through the entire BIOS, including the usual location of ...
1
vote
3answers
116 views

Are memory-module blanks really important to have for a Dell PowerEdge T110 2 server? Or are they optional?

I have removed and installed ram-chips from laptops and desktops before, but this is the first time I am doing it on a server (Dell PowerEdge T110 2). The hardware manual cautions that a memory-module ...
12
votes
3answers
292 views

Heat Sink compound and older desktops and workstations

This is my first question asked on SF, so be gentle kids. As my desktops (approximately 110 or so) have begun to age and with my users resisting Windows 8, I've begun to notice an odd trend. We are ...
4
votes
2answers
236 views

How to simulate air flow in a datacenter? [closed]

I have an idea for a datacenter architecture which, I believe, would be very effective in terms of passive cooling. I need to do air flow simulations to be sure that the idea is as great as I ...
1
vote
2answers
140 views

Rack door open, or rack door closed [closed]

In our 'server room' (not much more than a converted cupboard in reality) we have one struggling AC unit that is not man enough to cool the servers, which are housed in a full height rack. The ...
10
votes
2answers
808 views

How to calculate server room air flow requirements

I have a small server closet that sits on a climate-controlled manufacturing floor. Since the main room is air conditioned, I want to use the air from that space to inexpensively cool the server ...
2
votes
1answer
265 views

I'm considering using a Mineral-oil as a coolant for a submerged server. What fire precautions should I take?

I'm investigating different ways to safely and efficiently cool down one of our servers that uses two GPU cards for intense renderings that takes hours to complete. The overall system wattage is ...
0
votes
2answers
209 views

Can I safely use a 1U server with an actively cooled Nvidia GTX 680 video card?

I'm about to configure some new GPU capable nodes for our needs and I was wondering if someone has any experience with using simple video cards like Nvidia GTX 680 (actively cooled with a fan) in a 1U ...
-2
votes
1answer
128 views

Replacing a loud fan in a 1RU server

I just bought a firewall that is very loud. The biggest problem is the two fans in the back (2 x Sunon 40mm fans) running at full speed. The firewall is 1RU with pfSense installed on it.The CPU is a ...
9
votes
4answers
2k views

DIY Hadoop Cluster - Heat & Dust issues?

Following are links of my DIY 6-Node Hadoop Cluster using i3 Machines, What is the best possible way to protect my design from dust & provide better heat transfer? What should I use to cover ...
1
vote
2answers
121 views

CPU Cooling with Heatsinks [closed]

I've constructed a server that uses 2 Xeon E5-2620 CPUs and per Intel's recommendation I'm in the process of ordering heatsinks for each and I'm slightly concerned about thermal management. The case ...
2
votes
1answer
298 views

Temperature in server room

I was just wondering if anyone had an idea if the following values for a server room are acceptable or what needed to be changed. In the room the temperature is 17c with RH of 38% and Dewpoint of ...
4
votes
2answers
231 views

Where do I put the server in a cramped office?

We have very limited options for our first server in our small office and none of them look good. We are buying one HP Proliant ML350 G5. Per the HP power calculator with our system specs, we're ...
0
votes
1answer
48 views

Processor heatsink: How is their cooling efficiency determined? [closed]

Most heatsinks over processor chips that I have seen in the processors are more or less different from one another in terms of size and build. Are there any classifications for these heatsinks? How is ...
1
vote
2answers
551 views

Is the HP ProCurve 1800-24G Switch fanless or not?

Does the HP ProCurve 1800-24G Switch have a fan or not? The specs say that it does not have a fan, and so do many references I can see on the web. However, a person who is offering to sell me a used ...
1
vote
2answers
244 views

Cooled server cabinet VS server room

The cooled server cabinet was discussed here before but I found my question is a little bit different. We have a client with some servers running into incredible bad conditions. The servers are in ...
92
votes
9answers
6k views

Can you mount a network switch upside down?

We just took delivery of a new Avaya 2500 48-port switch, that has 24 PoE ports. The problem is that all the PoE ports are on the left-hand size of the switch, and our PoE device cables can only reach ...
3
votes
2answers
231 views

Wattage Per Square Feet as a Measurement

I am used to looking at collocation providers where in U.S. are given as AMPs per rack (assuming 120V). I am looking into a place that rents space for servers which is listed as: "250 Watts per ...
1
vote
1answer
158 views

Rackmount temperature/humidity control

This may seem like a strange question because it involves a non-traditional approach. What I'm looking for is a standard rackmount cooling/humidity control module. The idea is to build a portable ...
3
votes
3answers
837 views

Regarding temperature in our server cabinet

We have a floor standing server cabinet, which sits in the corner of our office. There is no AC in the office, and the average temperature is around 21C (70F). The server cabinet currently contains 2 ...
2
votes
5answers
335 views

Cooling for an overheating switch in a enclosure

We have a switch that is contained within a locked enclosure that draws air into the enclosure. The building is a foundry and during the summer I am told the ambient temperature can get very hot (new ...
11
votes
2answers
751 views

Using 48v for servers

I'm currently in the middle of a process to specify and design a new server environment for graphics and video rendering. We know we want to use blades, and we're pretty sure of our vendor decisions. ...
3
votes
3answers
495 views

Best orientation for CPU blower/cooler in 1U chassis

I'm putting together a 1U rackmounted PC. I have a blower cooler for the CPU, but the chassis has no fans at all. What would be the correct way to orientate the CPU cooler? With the air blowing in ...
6
votes
1answer
417 views

Ionization option on our A/C turned on or off in a server room?

Our server room is a converted closet, and we have a pair of wall-mounted air conditioning units to cool the room. These are both pointed towards the front of the server racks, and there are a couple ...
3
votes
1answer
212 views

Blade server in a nutshell?

Can anyone give a real description of a blade server and what it's advantages are besides space? Are there any disadvantages? And also, do you think smaller companies (think around maybe 4-5 actual ...
28
votes
5answers
1k views

How to build and run a machine room?

The last guy quit (I think a lot of adventures begin this way?) and I've been given the job to build a new machine room. I am coordinating with 2 engineers, campus ITS, campus Facilities Management, ...
4
votes
5answers
818 views

Walk-In Cooler Server Room?

After searching a little bit, I wasn't able to find any specific information on this, so here I am. We've got a single 42U rack with 6 servers and some switches. It is currently housed in a coat ...
11
votes
7answers
4k views

Why datacenter water cooling is not widespread?

From what I read and hear about datacenters, there are not too many server rooms which use water cooling, and none of the largerst datacenters use water cooling (correct me if I'm wrong). Also, it's ...
5
votes
4answers
109 views

Are there general guidelines for fan configuration/capacity for operating at altitude?

Background: The server I'm configuring needs to be able to work at altitudes up to 10,000 feet. Are there any rules of thumb or guidelines on how much faster fans have to spin at altitude (due to ...
2
votes
3answers
3k views

how many blade enclosures can you fit in a rack?

Considering the power and cooling requirements of HP's or IBM's newest blade (10U) chassis fully stacked, how many of them can you fit in a standard size rack (42 U) ?
4
votes
1answer
232 views

Determining amount and cost of cooling needed

I have a system that is using 2.02kWh per day, and I'm trying to figure out its heat output, cooling needs, and cooling cost. I've worked it all out to the point of determining the amount of cooling ...
0
votes
2answers
72 views

finding out heat generated due to applications

One of my server is heavily heated randomly.There are a couple of applications running on it. Is there some way I can track which application is generating more heat or consuming more CPU cycles.
2
votes
4answers
243 views

server cooling - unique and odd situation

There were a lot of questions asked about server cooling, but I can't seem to find the one that fits our needs. Our server rack/cabinet is situated in the mail room, which can get extremely hot in the ...
7
votes
4answers
1k views

Cooling requirements for POE switches?

Is there any difference between POE switches and normal switches when budgeting for cooling capacity for a network closet? Normally, when I'm thinking about cooling; I can look at the power draw of a ...
27
votes
8answers
8k views

Putting servers inside a refrigerator? [closed]

It could be a silly question, but I decided to go for it. I shall be buying 3 servers in the next few weeks to set up a small webfarm at my home. I am told by different people who work in server ...
1
vote
1answer
196 views

Storage Chassis Rack Location

There are so many configurations of racks, it's not even funny. Where do you guys keep your storage located? I think the problem I'm having is that they're currently set too high in the rack and ...
0
votes
2answers
383 views

Dell PowerEdge 750 [closed]

Can I use Dell PowerEdge 750 just 1U without a rack at home? Does it need cooling? I want to have a low end server for learning.
2
votes
1answer
462 views

APC InRow Cooling for a small server room

We recently added some hardware to our server room, and our 12000 BTU Mitsubishi Mr. Slim isn't cutting it (was undersized to begin with). Our humidity is also too low (~30%). To meet our needs, ...
5
votes
3answers
1k views

Server Room Temperature Control - Does anyone have a similar setup?

Our Server room is located in the middle of our building and has no access to a window or outside ventilation. I had a quote done by a local heating/air conditioning company to install a room specific ...
2
votes
4answers
400 views

CPU Fan Failure

Has anyone ever experienced the failure of the CPU fan on a server? Does any know how long roughly until a server shuts itself down after this happens if the CPU is moderately active?? I know this ...
6
votes
7answers
2k views

Server Cabinet/Room Cooling

I currently have two desktops and three servers in my office sitting on the floor (I know this is bad). With that many servers the ambient temperature in the room goes up quickly. I am located in ...
9
votes
8answers
17k views

Cooling for a small server room

I have a server room about 12 feet square with an unfinished ceiling (exposed ducts and wiring). It houses a few servers (about ten, 1U and 2U) and some networking gear (four 1U switches, three ...
1
vote
3answers
165 views

Monitor temperatures in a PC

I'm experimenting with different locations and fans in my server. Whats a good program to monitor temperatures?
2
votes
1answer
376 views

Portable server room air-con options [closed]

We are looking for portable industrial air conditioners for our server room which whould blow hot air to the ceiling cavity, split-system is not an option. Something exactly like this would be ideal, ...
6
votes
6answers
604 views

Data Center Design and Preferences

When either selecting a data center as a co-location facility or designing a new one from scratch, what would your ideal specification be? Fundamentally, diversified power sources, multiple ISPs, ...
2
votes
7answers
1k views

Rack mounted cooling unit?

We have a small mini rack which houses an X-Serve, Raid and Router. We added some more high performance fan units but still find that it gets quite hot in there and have recently been having to keep ...
2
votes
7answers
1k views

Power and Cooling Cost compared with Server/Hardware Cost

Has anyone done, or is aware of any, calculations to compare the cost of power and cooling compared to the cost of hardware (servers) in a typical data center? This is to compute a true total cost of ...
8
votes
4answers
10k views

How do I calculate cooling cost per server?

I'm attempting to figure out the power/cooling draw for some old servers that I'd virtualized. Starting with info in this question, I've taken the 880W the old boxes appeared to be drawing (according ...