general questions about 7.0 and computer efficiency......

Gary Kline kline at
Tue Aug 5 18:56:16 UTC 2008

On Tue, Aug 05, 2008 at 01:33:20PM -0500, David Kelly wrote:
> On Tue, Aug 05, 2008 at 11:19:31AM -0700, Gary Kline wrote:
> > 
> > 	I kep track on the load on my main server, and it is rarely above
> > 	0.20.  If the load is a poor metric of power use, what is
> > 	better?  (My new `Watt-o-Meter' is checking the power right now,
> > 	but I would like to know what drink the most juice: disk,RAM,
> > 	processor, OpSys?  Number of hit/hours? I want my upgrades to
> > 	be as cost-effective as possible, in other words. 
> There isn't a good generic answer to your question. "It all depends" on
> exactly what hardware you have. A good rule of thumb is 10W for each
> disk drive, but some were much higher. Pull the data sheets for your
> drives.
> A Kill-A-Watt on the power cord is the best way to answer the total
> question. My old ancient Dell Optiplex running 5.5 draws about 60 watts
> including the APS 350CS UPS. Am not about to unplug it without good
> reason:
> dkelly at AndrAIa {1004} uptime
>  1:30PM  up 670 days, 21:08, 2 users, load averages: 0.00, 0.00, 0.00
> I found a 10G drive in the trash yesterday. Would one day be a nice
> upgrade for the 4G drive in the above.

	the datasheets for the 40G drives are lost lost. but what is your
	best guuess about my old 1998 HP's (400MHz) compared to a newer,
	generic 1.8GHz processor?  IIRC, my AMD 2.8GHz uproc sucks up
	around 75watts; the Intel was maybe 35w.  

> -- 
> David Kelly N4HHE, dkelly at
> ========================================================================
> Whom computers would destroy, they must first drive mad.

 Gary Kline  kline at  Public Service Unix

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