IBM's big chill

NETWORK WORLD NEWSLETTER: DENI CONNOR ON SERVERS
07/21/05
Today's focus: IBM's big chill

Dear networking.world@gmail.com,

In this issue:

* IBM takes innovative approach to server cooling
* Links related to Servers
* Featured reader resource
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This newsletter is sponsored by Avocent
Network World Executive Guide: Security Evolves. Automation,
specialized 'ops centers' and more.

For network security professionals, keeping a safe distance
ahead of the worst the bad guys have to offer is a never-ending
race. This guide is designed to help with a collection of news,
analysis and product test reviews for practical how-to advice on
subjects ranging from patch management and spyware to promises
and risks of automated security services.
http://www.fattail.com/redir/redirect.asp?CID=108574
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CAN'T STAND THE HEAT?

Neither can your servers. Having dense servers means more heat
and more power consumption in smaller spaces. Find out why just
adding more air conditioners won't cut it and what you need to
do to stay cool this summer... and beyond. Click here:
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_______________________________________________________________

Today's focus: IBM's big chill

By Deni Connor

IBM has unveiled technology that is totally cool.

The company released a rear-door heat exchanger - called "Cool
Blue" - that is intended to reduce server heat emissions by as
much as 55%. Cool Blue - or the IBM eServer Heat eXchanger -
camps on the back of an IBM rack, and by using the chilled water
supplies already in data centers, cools the air expelled from
servers.

Data centers are normally cooled with computer room air
conditioning (CRAC) units, which are installed to cool the data
center itself. Cool Blue isn't meant to replace these CRAC
units, but to instead supplement cooling in hot places in the
data center. With the advent of blade servers and ultra-slim
dual-processor servers, data centers are heating up, sometimes
beyond the cooling capacity of the CRAC units.

Cool Blue, which is four inches deep, can be used with any IBM
rack-mountable server. The Heat eXchanger consists of sealed
tubes inside the door that circulate chilled water. It can
remove as much as 50,000 BTUs of heat. The remaining 45% of the
heat expelled from the server rack would be handled by a
traditional CRAC unit.

"As I understand it, it will be a standard option for enterprise
racks housing anything - including BladeCenters," says Gordon
Haff, senior analyst with Illuminata. "The big advantage is that
it lets you apply cooling exactly where it's most needed (at a
rack of hot servers) rather than more grossly."

While IBM's eServer Cluster 1350 is the first eServer to support
the Heat eXchanger, it can also be used with IBM's xSeries,
pSeries and iSeries servers.

The Heat eXchanger, which can be installed by a customer, can be
moved from rack to rack as cooling requirements change. It is
available today, starting at $4,300.

While water cooling of servers is not a new technology, IBM's
approach is - and it's pretty exciting, since it is so easy to
install and add to existing equipment.

The Cray-2 used an inert substance called Fluorinert to cool its
processors. Fluorinert, developed by 3M as a blood plasma
replacement, was featured in the movie the Abyss where a mouse
was immersed in a cup and could apparently breathe.

The difference between IBM's and other technologies from
Nanocoolers or Cool Chips is that Cool Blue chills racks of
servers rather than the processors themselves, making it an
affordable way to cool data center hot spots.

RELATED EDITORIAL LINKS

IBM helps data centers to keep their cool
IDG News Service, 07/12/05
http://www.networkworld.com/nlservers3545

Big chill for chips
Network World, 05/31/04
http://www.networkworld.com/news/2004/0531toocool.html?rl

Start-up to control chip cooling
Network World, 05/27/04
http://www.networkworld.com/nlservers3546

The top 5: Today's most-read stories

1. Future-proof your network
<http://www.networkworld.com/nlservers3547>

2. Appliances replace DNS, DHCP software
<http://www.networkworld.com/nlservers3548>

3. Microsoft sues Google, former employee over hiring
<http://www.networkworld.com/nlservers3549>

4. The ROI of VoIP
<http://www.networkworld.com/nlservers3550>

5. Investors target systems management
<http://www.networkworld.com/nlservers3551>

Today's most forwarded story:

Investors target systems management
<http://www.networkworld.com/nlservers3551>
_______________________________________________________________
To contact: Deni Connor

Deni Connor is a Senior Editor at Network World covering
storage, Unix, Novell, Macintosh and IT in Healthcare. You can
reach her at <mailto:dconnor@nww.com>.
_______________________________________________________________
This newsletter is sponsored by Avocent
Network World Executive Guide: Security Evolves. Automation,
specialized 'ops centers' and more.

For network security professionals, keeping a safe distance
ahead of the worst the bad guys have to offer is a never-ending
race. This guide is designed to help with a collection of news,
analysis and product test reviews for practical how-to advice on
subjects ranging from patch management and spyware to promises
and risks of automated security services.
http://www.fattail.com/redir/redirect.asp?CID=108573
_______________________________________________________________
ARCHIVE LINKS

Archive of the Servers newsletter:
http://www.networkworld.com/newsletters/servers/index.html

Servers/Desktop Research Center:
http://www.networkworld.com/topics/servers-desktops.html
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FEATURED READER RESOURCE
THE NEW DATA CENTER: SPOTLIGHT ON STORAGE

This Network World report takes a look at storage trends such as
virtualization, encryption and archiving. Here you will also
find seven tips for managing storage in the new data center, how
storage encryption can help ease the threat of identity theft,
why one exec believes its all about the information and more.
Click here:
<http://www.networkworld.com/supp/2005/ndc4/>
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