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	<title>The Hot Aisle &#187; Mechanical</title>
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	<link>http://www.thehotaisle.com</link>
	<description>Fresh Thinking on IT Operations</description>
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		<title>So you think you understand your data center?</title>
		<link>http://www.thehotaisle.com/2010/07/07/so-you-think-you-understand-your-data-center/</link>
		<comments>http://www.thehotaisle.com/2010/07/07/so-you-think-you-understand-your-data-center/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 14:47:57 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[IT Leadership]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Problems]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1984</guid>
		<description><![CDATA[Yesterday Chris Leahy (my Technical Facilities Manager) and I were agonising over why we had low plenum pressure in our Data Center and why we were seeing symptoms of hot air trapped in the roof void. We looked at all the normal stuff: Leaks in the plenum space Badly sealed floor Cable access holes improperly [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2010/07/07/so-you-think-you-understand-your-data-center/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>ASHRAE need to join the 21st Century</title>
		<link>http://www.thehotaisle.com/2010/04/12/ashrae-need-to-join-the-21st-century/</link>
		<comments>http://www.thehotaisle.com/2010/04/12/ashrae-need-to-join-the-21st-century/#comments</comments>
		<pubDate>Mon, 12 Apr 2010 18:22:29 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Opinion]]></category>
		<category><![CDATA[Reliability & Availability]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1963</guid>
		<description><![CDATA[I don&#8217;t normally plug press releases straight from vendors but today I received an email from Emily Wood at Google with a message that I agree 100% with. Cooling data centers is not just about refrigeration &#8211; there are lots of options &#8211; many of which we have written about here on The Hot Aisle [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2010/04/12/ashrae-need-to-join-the-21st-century/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Why storage will inevitably migrate to flash and trash</title>
		<link>http://www.thehotaisle.com/2010/01/31/why-storage-will-inevitably-migrate-to-flash-and-trash/</link>
		<comments>http://www.thehotaisle.com/2010/01/31/why-storage-will-inevitably-migrate-to-flash-and-trash/#comments</comments>
		<pubDate>Sun, 31 Jan 2010 20:17:08 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Opinion]]></category>
		<category><![CDATA[Storage]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[SAN]]></category>
		<category><![CDATA[UPS]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1896</guid>
		<description><![CDATA[If you have been following the storage business for a while, you will have noticed a few changes: Introduction of Flash Memory components as Solid State Disks Serial ATA (SATA) disks becoming popular and growing in capacity (2TB soon) There are lots of other disk technologies around like Fibre Channel and SAS but SSD and [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2010/01/31/why-storage-will-inevitably-migrate-to-flash-and-trash/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Data Center Predictions for 2010</title>
		<link>http://www.thehotaisle.com/2010/01/14/data-center-predictions-for-2010/</link>
		<comments>http://www.thehotaisle.com/2010/01/14/data-center-predictions-for-2010/#comments</comments>
		<pubDate>Thu, 14 Jan 2010 14:58:22 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cloud]]></category>
		<category><![CDATA[Contamination]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Opinion]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[21st Century Data Centre]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[DC Power]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Investment]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Plenum Floor]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[Security]]></category>
		<category><![CDATA[Service Protection]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[UPS]]></category>
		<category><![CDATA[Virtualization]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1878</guid>
		<description><![CDATA[Around this time, analysts at ESG pull together a ten point list of predictions for the coming year. One of my areas of coverage and of expertise is in the Data Center around power, cooling, reliability and economics. So what&#8217;s different this year from prior years? Strengthening fundamental drivers will likely make 2010 materially different [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2010/01/14/data-center-predictions-for-2010/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Knowledge is Power</title>
		<link>http://www.thehotaisle.com/2010/01/13/knowledge-is-power/</link>
		<comments>http://www.thehotaisle.com/2010/01/13/knowledge-is-power/#comments</comments>
		<pubDate>Wed, 13 Jan 2010 13:30:17 +0000</pubDate>
		<dc:creator>PeterWilliams</dc:creator>
				<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[DC Power]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Problems]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Service Protection]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[UPS]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1867</guid>
		<description><![CDATA[Back in 2008, Steve O&#8217;Donnell wrote an article here on The Hot Aisle explaining one of the challenges he set his team during his time at BT, the difficult task of getting Asset Management right. To summarise, Steve kicked off an audit of the whole estate, and where owners couldn’t be found for kit on the [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2010/01/13/knowledge-is-power/feed/</wfw:commentRss>
		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>Data Center Photographs</title>
		<link>http://www.thehotaisle.com/2009/12/18/data-center-photographs/</link>
		<comments>http://www.thehotaisle.com/2009/12/18/data-center-photographs/#comments</comments>
		<pubDate>Fri, 18 Dec 2009 19:21:29 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Data Center Reviews]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Fire Protection]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[M&E]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1842</guid>
		<description><![CDATA[For years I have been a prolific photographer of Data Centres all over the world. I have hundreds of images, some brilliant, some out of focus and under-exposed, (I am a data centre guy, not  a professional photographer).  I thought that I might publish some of the better ones with a bit of narrative about [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/12/18/data-center-photographs/feed/</wfw:commentRss>
		<slash:comments>6</slash:comments>
		</item>
		<item>
		<title>How do you currently choose where to place equipment in your data centre?</title>
		<link>http://www.thehotaisle.com/2009/12/11/how-do-you-currently-choose-where-to-place-equipment-in-your-data-centre/</link>
		<comments>http://www.thehotaisle.com/2009/12/11/how-do-you-currently-choose-where-to-place-equipment-in-your-data-centre/#comments</comments>
		<pubDate>Fri, 11 Dec 2009 15:12:39 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[Surveys]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Research]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Survey]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1792</guid>
		<description><![CDATA[Recently The Hot Aisle conducted an online survey asking the question - &#8220;How do you currently choose where to place equipment in your data centre?&#8221; As usual we got a very large response to the survey with 5,580 respondants. The results are in and it shows quite clearly that equipment placement is (to say the [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/12/11/how-do-you-currently-choose-where-to-place-equipment-in-your-data-centre/feed/</wfw:commentRss>
		<slash:comments>8</slash:comments>
		</item>
		<item>
		<title>Data Centre Dilemmas</title>
		<link>http://www.thehotaisle.com/2009/11/16/data-centre-dilemmas/</link>
		<comments>http://www.thehotaisle.com/2009/11/16/data-centre-dilemmas/#comments</comments>
		<pubDate>Mon, 16 Nov 2009 16:11:00 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cloud]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Interviews]]></category>
		<category><![CDATA[IT Leadership]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Moves & Migration]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[21st Century Data Centre]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[IT Infrastructure]]></category>
		<category><![CDATA[Migration]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[Virtualization]]></category>
		<category><![CDATA[vmware]]></category>
		<category><![CDATA[Windows]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1714</guid>
		<description><![CDATA[I recently chaired a very interesting panel debate and discussion Hosted By BLADE Network Technologies in London. The panel was made up of: Harkeeret (Harqs) Singh, Global Head Data Centre Energy Optimisation, Thomson Reuters Finlay MacLeod, VP IT Infrastructure, EMEA, First Data Corp Charles Ferland, VP of EMEA, BLADE Network Technologies Brian Peterson, VP International [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/11/16/data-centre-dilemmas/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Innovation obsoletes the data centre</title>
		<link>http://www.thehotaisle.com/2009/11/13/one-day-all-servers-will-be-this-good/</link>
		<comments>http://www.thehotaisle.com/2009/11/13/one-day-all-servers-will-be-this-good/#comments</comments>
		<pubDate>Fri, 13 Nov 2009 21:48:19 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cloud]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[News]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[21st Century Data Centre]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[Investment]]></category>
		<category><![CDATA[IT Infrastructure]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[Research]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Sustainability]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1695</guid>
		<description><![CDATA[Next week, Iceotope will announce that it has developed, patented and manufactured an extreme IT equipment cooling solution.  The solution tackles the problems of cooling servers in data centres all the way from the actual source of the heat – at the processor and memory component level – to its final destination &#8211; outside air by [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/11/13/one-day-all-servers-will-be-this-good/feed/</wfw:commentRss>
		<slash:comments>40</slash:comments>
		</item>
		<item>
		<title>Cleansource UPS &#8211; No batteries &#8211; Just a flywheel</title>
		<link>http://www.thehotaisle.com/2009/09/11/cleansource-ups/</link>
		<comments>http://www.thehotaisle.com/2009/09/11/cleansource-ups/#comments</comments>
		<pubDate>Thu, 10 Sep 2009 23:14:53 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[21st Century Data Centre]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[Service Protection]]></category>
		<category><![CDATA[UPS]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/2009/09/11/cleansource-ups/</guid>
		<description><![CDATA[Sometimes the IT business and technology in general gets it right by looking back into history for sensible solutions to intractable problems. By combining modern engineering with old designs we get something extremely smart. To provide stay up power whilst our engines get up to speed we can now use flywheel technology to store kinetic [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/09/11/cleansource-ups/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Data Center Scale Computing</title>
		<link>http://www.thehotaisle.com/2009/07/08/data-center-scale-computing/</link>
		<comments>http://www.thehotaisle.com/2009/07/08/data-center-scale-computing/#comments</comments>
		<pubDate>Wed, 08 Jul 2009 18:08:04 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cloud]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Opinion]]></category>
		<category><![CDATA[AC Power]]></category>
		<category><![CDATA[Blade Servers]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[Cluster]]></category>
		<category><![CDATA[consumers]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[DC Power]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[IT Infrastructure]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[refrigeration]]></category>
		<category><![CDATA[SAN]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Storage]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1421</guid>
		<description><![CDATA[Over the last few months I have been thinking about data centers, how we power and cool them and what we put in them. I&#8217;ve been looking at what the very largest consumers of IT infrastructure do with their data centers compared to industry norms. The first take away is that almost none of them conform [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/07/08/data-center-scale-computing/feed/</wfw:commentRss>
		<slash:comments>15</slash:comments>
		</item>
		<item>
		<title>Why legacy thinking costs performance, reliability and cash</title>
		<link>http://www.thehotaisle.com/2009/06/02/why-legacy-thinking-costs-performance-reliability-and-cash/</link>
		<comments>http://www.thehotaisle.com/2009/06/02/why-legacy-thinking-costs-performance-reliability-and-cash/#comments</comments>
		<pubDate>Tue, 02 Jun 2009 13:30:17 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Opinion]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[AC Power]]></category>
		<category><![CDATA[air conditioning]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Blade Servers]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[DC Power]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Problems]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[SAN]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[UPS]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1397</guid>
		<description><![CDATA[I spend a lot of time thinking about data centers and how to make them better, more efficient, more reliable, higher performance , easier to maintain and cheaper to run. Lots of very smart and experienced people have been doing the same for many years and whilst there is no single, agreed best practice, model [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/06/02/why-legacy-thinking-costs-performance-reliability-and-cash/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Verari Systems Wins major Green Enterprise IT Award</title>
		<link>http://www.thehotaisle.com/2009/04/16/verari-systems-wins-major-green-enterprise-it-award/</link>
		<comments>http://www.thehotaisle.com/2009/04/16/verari-systems-wins-major-green-enterprise-it-award/#comments</comments>
		<pubDate>Thu, 16 Apr 2009 20:53:28 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[News]]></category>
		<category><![CDATA[Press Releases]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[data center consolidation]]></category>
		<category><![CDATA[DCiE]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[high density]]></category>
		<category><![CDATA[Leadership]]></category>
		<category><![CDATA[Lean]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Migration]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Storage]]></category>
		<category><![CDATA[Sustainability]]></category>
		<category><![CDATA[uptime institute]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1322</guid>
		<description><![CDATA[I was delighted to hear today that my friends, David Wright (CEO) and David Driggers (CTO) at Verari Systems have been recognized for their great work on driving Data Center energy efficiency. For some time it has been apparent that the modular, containerized data center holds huge promise: Ability to deploy new capacity extremely rapidly Ability [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/04/16/verari-systems-wins-major-green-enterprise-it-award/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
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		<item>
		<title>Caltech adopts Hot Aisle Containment</title>
		<link>http://www.thehotaisle.com/2009/01/28/caltech-adopts-hot-aisle-containment/</link>
		<comments>http://www.thehotaisle.com/2009/01/28/caltech-adopts-hot-aisle-containment/#comments</comments>
		<pubDate>Wed, 28 Jan 2009 10:49:59 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[air conditioning]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[cold air]]></category>
		<category><![CDATA[Curtains]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[hot air]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Power]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1149</guid>
		<description><![CDATA[The California Institute of Technology – also known as Caltech &#8212; is installing monitors and developing metrics to determine the efficiencies and savings of Hot Aisle Containment enclosures recently installed in one of their data centers.   The partitions and dividers were designed and manufactured by Simplex Isolation Systems of Fontana, CA, to isolate hot [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/01/28/caltech-adopts-hot-aisle-containment/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Computer Room Air Conditioning (CRAC) Unit being installed</title>
		<link>http://www.thehotaisle.com/2008/10/28/computer-room-air-conditioning-crac-unit-being-installed/</link>
		<comments>http://www.thehotaisle.com/2008/10/28/computer-room-air-conditioning-crac-unit-being-installed/#comments</comments>
		<pubDate>Tue, 28 Oct 2008 11:47:40 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Contamination]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[air conditioning]]></category>
		<category><![CDATA[computer room air conditioning]]></category>
		<category><![CDATA[copper piping]]></category>
		<category><![CDATA[crac unit]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[nutley new jersey]]></category>
		<category><![CDATA[photograph]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=972</guid>
		<description><![CDATA[I took these photographs a bit over two years ago at the BT Reuters Data Center in Nutley New Jersey. They show a large CRAC Unit in the process of being installed. Note the copper piping, solder joints, open floor void and general mess that is involved in installation and commissioning. This is not something [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/10/28/computer-room-air-conditioning-crac-unit-being-installed/feed/</wfw:commentRss>
		<slash:comments>8</slash:comments>
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		<item>
		<title>Why your humidification plant is wasting electricity</title>
		<link>http://www.thehotaisle.com/2008/09/28/why-your-humidification-plant-is-probably-wasting-electricity/</link>
		<comments>http://www.thehotaisle.com/2008/09/28/why-your-humidification-plant-is-probably-wasting-electricity/#comments</comments>
		<pubDate>Sun, 28 Sep 2008 13:08:03 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[21st Century Data Centre]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[dehumidification]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Free Cooling]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[humidifier unit]]></category>
		<category><![CDATA[Intelligent Cooling]]></category>
		<category><![CDATA[Plenum Floor]]></category>
		<category><![CDATA[relative humidity]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[Static Electricity]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[uptime institute]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=657</guid>
		<description><![CDATA[      Our atmosphere (the air around us) is made up of gasses consisting of nitrogen (78%), oxygen (21%), carbon dioxide (0.3%) and water in the form of vapor (humidity). The amount of water in the atmosphere is measured as a Relative Humidity (RH) Data Center air should contain the proper amount of water vapor [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/09/28/why-your-humidification-plant-is-probably-wasting-electricity/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Is there a DIY approach to Green Data Centers?</title>
		<link>http://www.thehotaisle.com/2008/08/30/is-there-a-diy-approach-to-green-data-centers/</link>
		<comments>http://www.thehotaisle.com/2008/08/30/is-there-a-diy-approach-to-green-data-centers/#comments</comments>
		<pubDate>Sat, 30 Aug 2008 17:37:37 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Moves & Migration]]></category>
		<category><![CDATA[Blade Servers]]></category>
		<category><![CDATA[Business]]></category>
		<category><![CDATA[co2 emissions]]></category>
		<category><![CDATA[Compute Power Efficiency]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[environmental impact]]></category>
		<category><![CDATA[Government]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Storage]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[Virtualization]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=467</guid>
		<description><![CDATA[IT Infrastructure specialist Richardson Eyres recently issued a press release to help drum up some consulting business in the Retail market but make some generally applicable and interesting points worth looking at. Even though most organizations are making energy cuts a top priority for 2008/9, many are not taking green issues seriously enough and are adopting a [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/08/30/is-there-a-diy-approach-to-green-data-centers/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
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		<item>
		<title>AVIVA (aka Norwich Union) miss opportunity to Go Green</title>
		<link>http://www.thehotaisle.com/2008/08/02/aviva-aka-norwich-union-miss-opportunity-to-go-green/</link>
		<comments>http://www.thehotaisle.com/2008/08/02/aviva-aka-norwich-union-miss-opportunity-to-go-green/#comments</comments>
		<pubDate>Sat, 02 Aug 2008 14:57:59 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Opinion]]></category>
		<category><![CDATA[Business]]></category>
		<category><![CDATA[containment systems]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[Free Cooling]]></category>
		<category><![CDATA[fresh air]]></category>
		<category><![CDATA[Migration]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[UPS]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=347</guid>
		<description><![CDATA[AVIVA (aka Norwich Union) is set to open its third data centre &#8211; Data Centre 3 (DC3) at the Broadlands Business Park near Norwich, UK  this September. Although the site uses some modern design principles to minimize energy use, AVIVA have been far too conservative with the design and the opportunity to really go green has been missed. The [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/08/02/aviva-aka-norwich-union-miss-opportunity-to-go-green/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>How not to do it</title>
		<link>http://www.thehotaisle.com/2008/07/28/how-not-to-do-it/</link>
		<comments>http://www.thehotaisle.com/2008/07/28/how-not-to-do-it/#comments</comments>
		<pubDate>Mon, 28 Jul 2008 15:54:44 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Moves & Migration]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[Cable Management]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[jumble]]></category>
		<category><![CDATA[unexpected failures]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/2008/07/28/how-not-to-do-it/</guid>
		<description><![CDATA[     The photograph shows what happens when cable management is left to chance. The weight of the cables will put strain on the connections resulting in unexpected failures. Almost certainly the mess will grow and the jumble of cables will spill out of the rack door causing a trip hazard. Yeugh!]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/07/28/how-not-to-do-it/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Keeping the Data Center Tidy</title>
		<link>http://www.thehotaisle.com/2008/07/28/keeping-the-data-center-tidy/</link>
		<comments>http://www.thehotaisle.com/2008/07/28/keeping-the-data-center-tidy/#comments</comments>
		<pubDate>Mon, 28 Jul 2008 15:43:21 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Cable Management]]></category>
		<category><![CDATA[Data Center]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/2008/07/28/keeping-the-data-center-tidy/</guid>
		<description><![CDATA[This picture comes from Craig Black and shows the most artistic cable management setup I have ever seen. Incredibly tidy and neat. Craig comments that &#8220;The horizontal stuff is Leviton and the vertical is Panduit. It all came together really well &#8212; we wanted to make it look neat and it ended up that way.&#8221;]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/07/28/keeping-the-data-center-tidy/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Safety First</title>
		<link>http://www.thehotaisle.com/2008/07/28/safety-first/</link>
		<comments>http://www.thehotaisle.com/2008/07/28/safety-first/#comments</comments>
		<pubDate>Mon, 28 Jul 2008 03:39:47 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Moves & Migration]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Maintenance]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/2008/07/28/safety-first/</guid>
		<description><![CDATA[This is an essential piece of equipment in a data center. A device designed to lift and hold servers and other rack mounted equipment ready to install into their home rack. Without one of these (or something similar), it is just a matter of time before you drop a server and injure yourself or a [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/07/28/safety-first/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Cold Aisle Containment Curtain</title>
		<link>http://www.thehotaisle.com/2008/07/24/cold-aisle-containment-curtain/</link>
		<comments>http://www.thehotaisle.com/2008/07/24/cold-aisle-containment-curtain/#comments</comments>
		<pubDate>Thu, 24 Jul 2008 18:18:32 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Curtains]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/2008/07/24/cold-aisle-containment-curtain/</guid>
		<description><![CDATA[A photograph from the BT Rochdale Data Center showing how the transparent curtains are attached to the roof. These curtains are used to separate the Hot Aisle from the Cold Aisle in order to drive up cooling capacity and efficiency. There are a number of articles about using Curtains to drive energy efficiency on The [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/07/24/cold-aisle-containment-curtain/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Hot Aisle Containment</title>
		<link>http://www.thehotaisle.com/2008/07/19/cold-aisle-containment/</link>
		<comments>http://www.thehotaisle.com/2008/07/19/cold-aisle-containment/#comments</comments>
		<pubDate>Fri, 18 Jul 2008 23:03:34 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[airflow]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/2008/07/19/hot-aisle-containment/</guid>
		<description><![CDATA[This is an interesting photograph of a commercially available APC Hot Aisle containment system. With adequate cold air to our raised floor, this rack module can house high density equipment.]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/07/19/cold-aisle-containment/feed/</wfw:commentRss>
		<slash:comments>7</slash:comments>
		</item>
		<item>
		<title>What is an Economizer?</title>
		<link>http://www.thehotaisle.com/2008/07/16/what-is-an-economizer/</link>
		<comments>http://www.thehotaisle.com/2008/07/16/what-is-an-economizer/#comments</comments>
		<pubDate>Wed, 16 Jul 2008 16:52:17 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[air conditioning]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[dampers]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[economizer]]></category>
		<category><![CDATA[Free Cooling]]></category>
		<category><![CDATA[Intelligent Cooling]]></category>
		<category><![CDATA[outdoor humidity]]></category>
		<category><![CDATA[refrigeration]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/2008/07/16/what-is-an-economizer/</guid>
		<description><![CDATA[HVAC Economizers (sometimes known as air-side Economizers) are useful for data centers which are located in regions of the world where the outdoor temperature is lower than the desired data center temperature (for at least some of the day or year) and the outdoor humidity is mild. Economizers save energy by cooling buildings with outside [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/07/16/what-is-an-economizer/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Overhead Cable Delivery</title>
		<link>http://www.thehotaisle.com/2008/07/16/overhead-cable-delivery/</link>
		<comments>http://www.thehotaisle.com/2008/07/16/overhead-cable-delivery/#comments</comments>
		<pubDate>Tue, 15 Jul 2008 23:11:06 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[IT Operations]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/2008/07/16/overhead-cable-delivery/</guid>
		<description><![CDATA[This picture is from a BT Data Center in Holland, just outside Amsterdam. There are quite significant airflow benefits to keeping power and data cables overhead and out of the plenum space under the floor. Underfloor pressures can be maximized and airflow design can be maintained. If we can avoid lifting floor tiles when installing [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/07/16/overhead-cable-delivery/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Architectural Aesthetics can Minimize Cooling Efficiency</title>
		<link>http://www.thehotaisle.com/2008/07/14/architectural-aesthetics-can-minimize-cooling-efficiency/</link>
		<comments>http://www.thehotaisle.com/2008/07/14/architectural-aesthetics-can-minimize-cooling-efficiency/#comments</comments>
		<pubDate>Mon, 14 Jul 2008 18:18:06 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[Maintenance]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=170</guid>
		<description><![CDATA[  Dry coolers are used in many air cooled refrigeration systems. In case of low outdoor temperatures, outdoor air can be applied for cooling applications. In dry coolers, large fans create a forced airflow along air-to-water heat exchangers. Subsequently, the water circuit can be used for cooling of data centers, office buildings and industrial processes.  Dry coolers play an important [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/07/14/architectural-aesthetics-can-minimize-cooling-efficiency/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Putting PDUs and CRAC Units outside the Data Center Hall</title>
		<link>http://www.thehotaisle.com/2008/07/13/putting-pdus-and-crac-units-outside-the-data-center-hall/</link>
		<comments>http://www.thehotaisle.com/2008/07/13/putting-pdus-and-crac-units-outside-the-data-center-hall/#comments</comments>
		<pubDate>Sun, 13 Jul 2008 18:15:26 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[crac unit]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[heat load]]></category>
		<category><![CDATA[I.Net]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Milan]]></category>
		<category><![CDATA[PDU]]></category>
		<category><![CDATA[Raised Floor]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/2008/07/13/putting-pdus-and-crac-units-outside-the-data-center-hall/</guid>
		<description><![CDATA[This is a picture of the corridor around the I.Net Data Center in Milan showing much of the M&#38;E equipment that is normally housed within the data center hall located outside. So what are the benefits? Equipment can be maintained, filters changed etc.. without entering the raised floor area. Any heat load from the equipment [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/07/13/putting-pdus-and-crac-units-outside-the-data-center-hall/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Fujitsu slip off whilst trying to jump on the green bandwagon</title>
		<link>http://www.thehotaisle.com/2008/07/07/fujitsu-slip-off-whilst-trying-to-jump-on-the-green-bandwagon/</link>
		<comments>http://www.thehotaisle.com/2008/07/07/fujitsu-slip-off-whilst-trying-to-jump-on-the-green-bandwagon/#comments</comments>
		<pubDate>Mon, 07 Jul 2008 11:26:56 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Data Center Reviews]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[21st Century Data Centre]]></category>
		<category><![CDATA[Absorption Chillers]]></category>
		<category><![CDATA[CCHP]]></category>
		<category><![CDATA[Compute Power Efficiency]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Data Center Effectiveness]]></category>
		<category><![CDATA[DC Power]]></category>
		<category><![CDATA[Plenum Floor]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Raised Floor]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=149</guid>
		<description><![CDATA[When was the last time you saw a Data Center press release that didn&#8217;t make some green or energy efficiency claim? I guess because data centers are such huge energy hogs vendors must worry that building a new one will raise the hackles of the environmentalists. Nevertheless PR agencies should really stop dressing up stories [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/07/07/fujitsu-slip-off-whilst-trying-to-jump-on-the-green-bandwagon/feed/</wfw:commentRss>
		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>How to (not) make your Cisco 6509 spontaneously shut down</title>
		<link>http://www.thehotaisle.com/2008/07/07/how-to-not-make-your-cisco-6509-spontaneously-shut-down/</link>
		<comments>http://www.thehotaisle.com/2008/07/07/how-to-not-make-your-cisco-6509-spontaneously-shut-down/#comments</comments>
		<pubDate>Mon, 07 Jul 2008 11:21:19 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Cable Management]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Problems]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=152</guid>
		<description><![CDATA[It&#8217;s not a new phenomenon, Sun did it over a decade ago with the 4500 range of servers that vent hot air left to right rather than front to back but it doesn&#8217;t make it any easier to run a complex site when major vendors like Cisco continue to insist on breaking the front to back [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/07/07/how-to-not-make-your-cisco-6509-spontaneously-shut-down/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Using Absorption Chillers to Drive Energy Efficiency</title>
		<link>http://www.thehotaisle.com/2008/06/25/using-absorption-chillers-to-drive-energy-efficiency/</link>
		<comments>http://www.thehotaisle.com/2008/06/25/using-absorption-chillers-to-drive-energy-efficiency/#comments</comments>
		<pubDate>Wed, 25 Jun 2008 12:01:05 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[Absorption Chillers]]></category>
		<category><![CDATA[Biomass]]></category>
		<category><![CDATA[CHP]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Gas Turbine]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[Power]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=136</guid>
		<description><![CDATA[One of the things that prompted me to write about CHP and Biomass was an email I received from a colleague, Howard Pheby of 5 nines. Howard, and his partner Paul Foskett, are announcing their plans to build a new data center complex co-located with a Biomass Plant just up the road from my home [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/06/25/using-absorption-chillers-to-drive-energy-efficiency/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Keeping your engines ready to go</title>
		<link>http://www.thehotaisle.com/2008/06/23/keeping-your-engines-ready-to-go/</link>
		<comments>http://www.thehotaisle.com/2008/06/23/keeping-your-engines-ready-to-go/#comments</comments>
		<pubDate>Mon, 23 Jun 2008 13:45:14 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Problems]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=119</guid>
		<description><![CDATA[If, like most of us, you use a diesel generator as a backup power source during electrical outages, you need to understand something about Data Center engines and how to keep them running sweetly, starting automatically and reliably. It is horribly career limiting to spend your shareholders money on some equipment that you only need once every [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/06/23/keeping-your-engines-ready-to-go/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Fresh Air Cooling Revisited</title>
		<link>http://www.thehotaisle.com/2008/06/06/fresh-air-cooling-revisited/</link>
		<comments>http://www.thehotaisle.com/2008/06/06/fresh-air-cooling-revisited/#comments</comments>
		<pubDate>Fri, 06 Jun 2008 21:16:29 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[21st Century Data Centre]]></category>
		<category><![CDATA[Compute Power Efficiency]]></category>
		<category><![CDATA[CPE]]></category>
		<category><![CDATA[Curtains]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Data Center Effectiveness]]></category>
		<category><![CDATA[DCE]]></category>
		<category><![CDATA[Plenum Floor]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[Raised Floor]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=70</guid>
		<description><![CDATA[I have had a great interchange from a subscriber to The Hot Aisle:- Darek Wichniewicz of ATM SA in Warsaw, Poland. Darek is looking for some real technical advice on building a new Data Center facility of 2000 &#8211; 3000 square meters utilizing fresh air cooling. Like many Data Center operators Darek is concerned about being [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/06/06/fresh-air-cooling-revisited/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>How do I stop my DMX-4 falling through the floor?</title>
		<link>http://www.thehotaisle.com/2008/05/20/how-do-i-stop-my-dmx-4-falling-through-the-floor/</link>
		<comments>http://www.thehotaisle.com/2008/05/20/how-do-i-stop-my-dmx-4-falling-through-the-floor/#comments</comments>
		<pubDate>Tue, 20 May 2008 22:49:23 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Floor Tiles]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Migration]]></category>
		<category><![CDATA[Plenum Floor]]></category>
		<category><![CDATA[Raised Floor]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=45</guid>
		<description><![CDATA[Floor loading is a badly understood issue in Data Centers. Not just in the place where the equipment eventually ends up but also en-route from the loading bay to the final resting place. OK, so lets start looking at the problem. Most data centers have a raised floor made of specialist tiles held up on struts and [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/05/20/how-do-i-stop-my-dmx-4-falling-through-the-floor/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>How did it all get started?</title>
		<link>http://www.thehotaisle.com/2008/04/18/how-did-it-all-get-started/</link>
		<comments>http://www.thehotaisle.com/2008/04/18/how-did-it-all-get-started/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 17:58:54 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Contamination]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Mechanical]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Plenum Floor]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[Static Electricity]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://thehotaisle.com/?p=5</guid>
		<description><![CDATA[How did we get to the modern data centre design?  Why do most data centres look the same? Why are they so inefficient in how they consume electrical power? Why do they typically have a raised plenum floor and air handling units that keep air at fixed temperature ranges and humidity levels? I guess the [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/04/18/how-did-it-all-get-started/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
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