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Andy Smith wrote: > Hi Tom, > > On Wed, Apr 01, 2009 at 03:02:34PM +0100, Tom Potts wrote: > >> On Wednesday 01 April 2009 10:42, Simon Waters wrote: >> ... >> >>> Of course no one is doing this commercially with old 386 boxes because >>> they deliver an order of magnitude less computing per watt, and about >>> four orders of magnitude less computing power per unit volume. And from >>> a management perspective it makes sense for them to limit the variety of >>> hardware. But I dare say if you have Carbon footprint to burn these >>> technologies could be made to run on older hardware. >>> >> You have to have a lot of money to burn to throw away usable PC's in an >> attempt to improve your carbon footprint! We're not talking server farm here >> we're talking client farm! >> > > Not at all. More than two thirds of my company's recurring hosting > fees are power related (or cooling, which is just another aspect of > power) and this is only going to get worse. > > Replacing the rubbish default power supplies in 6 servers with new > high efficiency ones costing less than £30 each saved the company > over £120 per month, 3 months ago. > > Also late last year (in another role) we did a fork lift upgrade of > a server farm where by removing the current servers we were able to > replace them with newer versions packing twice the performance in > the same physical space and actually using less power. > > The servers we removed were very usable in and of themselves: dual > CPU dual core Xeons, 8G RAM, several 73G SCSI disks each. We found > new uses for many of them, sold a bunch more back to the supplier > (HP) in part exchange, some went to staff and other interested > parties. There are still a few that we will have to pay an IT > removals firm to take away and dispose of properly, and it still > makes financial sense. > > It doesn't make sense for every situation, but it does a lot of the > time. I would much rather have two decent modern machines running > 3 virtual machines each, than have 6 older ones. > > Cheers, > Andy > > have you still got some of these servers left,alex the noob -- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/linux_adm/list-faq.html