[GLLUG] Low-power Home Server

[Bryan Laur]

That atom processor is dual core. The four cores you might be seeing are
from hyper threading.

--sent from HTC Evo Shift
On Jun 20, 2012 8:22 AM, "Mike Rambo" <mrambo at lsd.k12.mi.us> wrote:

> Tom Schouten wrote:
>
>> Hi List,
>>
>> Recently I've been doing some math and found out that running a 100W
>> machine 24/7 at my parent's back home cost me about 150 Euros/year
>> (Belgian electricity is quite expensive, about 20 Eurocents/kWh more
>> than double of what it is here). The 100W was measured with power meter
>> over period of 24h so is probably quite accurate. Includes PC, GB
>> ethernet switch + wireless router.
>>
>> Anyone have an idea of how to replace this with something more
>> power-efficient?
>>
>
> I went with an atom board like Charles mentioned. I needed two ethernet
> ports so I went with the following board and the max 4GB of ram it
> supports. You end up with four CPU cores with this board.
>
> http://www.newegg.com/Product/**Product.aspx?Item=**N82E16813153212<http://www.newegg.com/Product/Product.aspx?Item=N82E16813153212>
>
> This one would also do if you don't need as many sata ports.
>
> http://www.newegg.com/Product/**Product.aspx?Item=**N82E16813153188<http://www.newegg.com/Product/Product.aspx?Item=N82E16813153188>
>
> The power supply in use is this one. The picoPSU requires a 12v source and
> thus your overall efficiency is influenced by the power brick used. I used
> a switching PSU from an old Gateway all in one that used external 12v power.
>
> http://www.mini-box.com/s.nl/**it.A/id.417/.f<http://www.mini-box.com/s.nl/it.A/id.417/.f>
>
> I have two 2TB WD green disks for storage and one 40GB normal 7200 disk
> for services that prefer a little faster disk speed.
>
> Kill-A-Watt says my setup is costing me under $4 per month (at .13/kwh)
> which is down about $20/mo from what I was running before. I don't remember
> any more what the wattage of the setup is. I've looked more at the cost
> since the Kill-a-watt calculates it for me based upon the price I tell it
> to use. I do not have a CD/DVD attached full time.
>
> I used Centos 5 which loaded right up. I'd expect pretty much any other
> distro to do likewise.
>
> I first read about this kind of setup here.
>
> http://sandeen.net/wordpress/**computers/linux/how-to-build-**
> an-18w-4-terabyte-commodity-**x86-linux-server/<http://sandeen.net/wordpress/computers/linux/how-to-build-an-18w-4-terabyte-commodity-x86-linux-server/>
>
> (note that the url above may be wrapped - it is one long string)
>
> HTH
>
> Mike
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