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Heat Generating Server Design - Page 2

post #11 of 17
Thread Starter 
Thanks for all of the feedback, I've done some research on heating elements and its looking like it would be approximately $150 for just the elements, fans, the 2U housing, and the power supply. the heaters just seem like they will be more pain than gain and any set up using a raspi or arduino or something not meant to work with the equipment of that magnitude would be a concern for malfunction and ultimately a fire hazard when talking about electric heaters of that output.

Let's say I can get older machines without storage, what would be the recommended software method to load them on boot to something that will generate a ton of heat in a reasonably safe manner?
post #12 of 17
Thread Starter 
Quote:
Originally Posted by DuckieHo View Post

Heating elements are AC or DC?

To control the heat, would it be current or voltage control?

Our original design was AC heaters with panel mounted switches. The cost shook out to be higher than a plain jane used server when you purchase heaters with proper fire protection.
post #13 of 17
get some dual core pentium D prescott 1u servers. they're probably dirt cheap now.
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post #14 of 17
I don't know of a way to generate even close to 500w per U for anywhere near that budget.
    
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post #15 of 17
Quote:
Originally Posted by ximfinity View Post

Thanks for all of the feedback, I've done some research on heating elements and its looking like it would be approximately $150 for just the elements, fans, the 2U housing, and the power supply. the heaters just seem like they will be more pain than gain and any set up using a raspi or arduino or something not meant to work with the equipment of that magnitude would be a concern for malfunction and ultimately a fire hazard when talking about electric heaters of that output.

Let's say I can get older machines without storage, what would be the recommended software method to load them on boot to something that will generate a ton of heat in a reasonably safe manner?

$150 sounds like a great price for what you need....

You want 500w per 1U? I don't think you will be able to achieve that then for under $150 per.

Even if you found 2P Netburst-based dualcore Xeons, they would be pushing only 400w max.

Quote:
Originally Posted by Dream Killer View Post

get some dual core pentium D prescott 1u servers. they're probably dirt cheap now.
Prescott was the consumer model. He would want a Paxville or Tulsa Xeon.
Edited by DuckieHo - 10/14/13 at 2:19pm
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post #16 of 17
Quote:
Originally Posted by ximfinity View Post

I've been assigned on project to design some servers that are cheap and capable of producing a significant amount of heat, I'm thinking approximately (500W per 1U) of output heat. The servers can be of any height or size.

I'm thinking on one hand whether I can purchase off the shelf used servers that can be configured to just calculate Pi over and and over again, or something more advanced.

It would be also important that I can control all the servers remotely and turn them on and off via a network connection.

Cost wise, I'm hoping to keep them at <$150 each, even less would be even better. I can also custom build if components would make more sense than pre-assembled.

Any thoughts anyone might have on a good place to start looking or researching would definitely be appreciated.

Thanks.

There is a thing like the Rasebarry Pi called Parallella, it's a ARM chip with 16-64 cores (Depends on what model you get.). Just looked at the website and there out of pre-orders. But if you had extra time, you can prolly do that. And the 16 core model is only $99 bucks. Here is a link: http://www.parallella.org/

As for doing remote control over IP. I would go with LogMeIn, I use this to control my servers from when I'm at my College. Pretty neat app and it's totally free, (You can upgrade to the Pro version but it's just some extra tools.) Link is here: https://secure.logmein.com/

As for heat output, the servers that I come across that are 1U have only a 200-250W PSU. But hey that's just me. Always look on Ebay, Craigslist, or a site called UNIX Surplus (http://unixsurplus.com/) They also have some refurbished 1U servers for $99, Just looked on there and they do have some new servers from SuperMicro with some LGA775 Dual cores and Xeon Quad core servers. Check it out!
http://unixsurplus.com/products/99-servers
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post #17 of 17
Quote:
Originally Posted by DuckieHo View Post

Heating elements are AC or DC?

To control the heat, would it be current or voltage control?

they are dc , and some controller can regulate for a set temperature using power(current) burst to reach a set point (if the heating element is under powered or the parts are badly insulated , they will be full power all the time ,...)
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