FWIW the direct contact solutions (wether they use water or some other > dielectric fluid) as far as I can see have several main problems > > * complexity (all that plumbing and getting it to 8 phi's + 2 cpu's all > crammed in 2RU) > * nodes have to be modified after the come out of the factory > * not all the components are cooled (ie. ram, disks etc) You still have > to run some form of air cooling. > > I've only run direct contact cooling on a desktop style box and that was > painful enough... let along on hundreds of servers in a rack etc. I can't > see how they will be price competitive, given all the modifications that > are needed to the systems (I've had pricing for a single rack system but > never purchased one). > >
Extra, the direct contact cooling stuff must still have the fans in the nodes to keep the dimms/disks/power supplies cool... thus use considerably more power than nodes without fans. -- Dr Stuart Midgley sdm...@sdm900.com
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