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	<title>The Hot Aisle &#187; Temperature</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>Is there an option other than Semtex to fix my Data Centre?</title>
		<link>http://www.thehotaisle.com/2010/03/12/is-there-option-other-than-semtex-to-fix-my-data-centre/</link>
		<comments>http://www.thehotaisle.com/2010/03/12/is-there-option-other-than-semtex-to-fix-my-data-centre/#comments</comments>
		<pubDate>Fri, 12 Mar 2010 19:45:43 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[21st Century Data Centre]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[DC Power]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[IT Infrastructure]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[Problems]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[Sustainability]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1943</guid>
		<description><![CDATA[There are a lot of them around, Data Centres. A few of them are designed and operated very well and deliver great Power Usage Efficiency. Some could do a bit better, perhaps an airside economiser or two, or some hot or cold aisle containment, or maybe some DC power. Some are just a nightmare and [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2010/03/12/is-there-option-other-than-semtex-to-fix-my-data-centre/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Live Efficient Data Centre Summit Webcast 21st April</title>
		<link>http://www.thehotaisle.com/2010/02/22/live-efficient-data-centre-summit-webcast-21st-april/</link>
		<comments>http://www.thehotaisle.com/2010/02/22/live-efficient-data-centre-summit-webcast-21st-april/#comments</comments>
		<pubDate>Mon, 22 Feb 2010 18:46:11 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Conferences]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[21st Century Data Centre]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[DC Power]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[IT Operations]]></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[Reliability]]></category>
		<category><![CDATA[Service Protection]]></category>
		<category><![CDATA[Storage]]></category>
		<category><![CDATA[Sustainability]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[UPS]]></category>
		<category><![CDATA[Virtualization]]></category>
		<category><![CDATA[vmware]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1922</guid>
		<description><![CDATA[Data Centre design is an evolutionary process and we can see the first signs of significant change in the latest sites. Co-generation, liquid cooling, cloud computing, high density are all likely to feature in the 2020 Data Centre. How are you placed with your existing Data Centre investments to take advantage of these changes? Will [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2010/02/22/live-efficient-data-centre-summit-webcast-21st-april/feed/</wfw:commentRss>
		<slash:comments>3</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>Cute retrofit air containment solution launched</title>
		<link>http://www.thehotaisle.com/2009/12/11/cute-retrofit-air-containment-solution-launched/</link>
		<comments>http://www.thehotaisle.com/2009/12/11/cute-retrofit-air-containment-solution-launched/#comments</comments>
		<pubDate>Fri, 11 Dec 2009 21:09:16 +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[airflow]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[Sustainability]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1802</guid>
		<description><![CDATA[Last week I met with my friend Steve Sole of Nubis who wanted to tell me about the work they have been doing in data centers around improving energy efficiency. Nubis make demountable Aisle Containment systems &#8211; they don&#8217;t care if it is Hot or Cold Aisle &#8211; the objective is to stop the air [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/12/11/cute-retrofit-air-containment-solution-launched/feed/</wfw:commentRss>
		<slash:comments>0</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>Even Dilbert knows&#8230;</title>
		<link>http://www.thehotaisle.com/2009/11/22/even-dilbert-knows/</link>
		<comments>http://www.thehotaisle.com/2009/11/22/even-dilbert-knows/#comments</comments>
		<pubDate>Sun, 22 Nov 2009 20:42:38 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Funny]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1745</guid>
		<description><![CDATA[&#8230;that cooling data centres using refrigeration is madder than a box of frogs. Maybe he could have suggested, fresh air cooling or the new Iceotope liquid cooling solution and kept his job whilst avoiding the toxic blob.]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/11/22/even-dilbert-knows/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>New pictures of Iceotope Liquid Cooled Blades</title>
		<link>http://www.thehotaisle.com/2009/11/17/new-pictures-of-iceotope-liquid-cooled-blades/</link>
		<comments>http://www.thehotaisle.com/2009/11/17/new-pictures-of-iceotope-liquid-cooled-blades/#comments</comments>
		<pubDate>Tue, 17 Nov 2009 09:23:39 +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[News]]></category>
		<category><![CDATA[Press Releases]]></category>
		<category><![CDATA[21st Century Data Centre]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[IT Infrastructure]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Sustainability]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[Virtualization]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1722</guid>
		<description><![CDATA[Iceotope Unveils First Modular Liquid-Immersion Cooled Blade Server Supercomputing 2009, Portland Oregon; 17th November 2009: Iceotope (www.iceotope.com) today launched its new liquid-cooled server technology. The system is believed to be the first to use modular “liquid immersion” of the server components and is able to reduce data centre cooling costs by 93%, saving hundreds of [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/11/17/new-pictures-of-iceotope-liquid-cooled-blades/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Greenwash or Greenbacks?</title>
		<link>http://www.thehotaisle.com/2009/11/17/greenwash-or-greenbacks/</link>
		<comments>http://www.thehotaisle.com/2009/11/17/greenwash-or-greenbacks/#comments</comments>
		<pubDate>Tue, 17 Nov 2009 07:22:09 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Interviews]]></category>
		<category><![CDATA[Opinion]]></category>
		<category><![CDATA[Surveys]]></category>
		<category><![CDATA[21st Century Data Centre]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1718</guid>
		<description><![CDATA[Greenwash or Greenbacks? &#8211; an eWEEK Europe Webinar What is the real motivation behind the Green Data Centre movement?  Saving the planet&#8230;  or saving money? &#8230;or keeping one step ahead of possible regulations, and saving yourself from a world of legal trouble? Readers of the Hot Aisle will already know that moves to more efficient [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/11/17/greenwash-or-greenbacks/feed/</wfw:commentRss>
		<slash:comments>1</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>Zero emission datacenters</title>
		<link>http://www.thehotaisle.com/2009/10/06/zero-emission-datacenters/</link>
		<comments>http://www.thehotaisle.com/2009/10/06/zero-emission-datacenters/#comments</comments>
		<pubDate>Tue, 06 Oct 2009 19:47:23 +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[airflow]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Investment]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[Research]]></category>
		<category><![CDATA[Sustainability]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1657</guid>
		<description><![CDATA[I met with Dr. Bruno Michel who is IBM&#8217;s, Zurich based, advanced thermal packaging manager yesterday. We spoke about IBM&#8217;s view of cooling technology in the 5 to 10 year horizon and what I heard was interesting and credible. IBM have been working with liquid cooling for some time, in the HydroCube, in the new [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/10/06/zero-emission-datacenters/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
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		<title>Back to the future for the z11 Mainframe</title>
		<link>http://www.thehotaisle.com/2009/09/25/back-to-the-future-for-the-z11-mainframe/</link>
		<comments>http://www.thehotaisle.com/2009/09/25/back-to-the-future-for-the-z11-mainframe/#comments</comments>
		<pubDate>Fri, 25 Sep 2009 21:36:16 +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[Interviews]]></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[Linux]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[Virtualization]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1619</guid>
		<description><![CDATA[I recently had a conversation with Mark Anzani, IBM&#8217;s CTO for System z, the mainframe platform. Regular readers will know that cooling technology is a favourite subject here on the hot aisle and I was keen to get an answer to how IBM plan to cool their next range of machines, the z11 series. IBM [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/09/25/back-to-the-future-for-the-z11-mainframe/feed/</wfw:commentRss>
		<slash:comments>8</slash:comments>
		</item>
		<item>
		<title>Standing in the cold aisle</title>
		<link>http://www.thehotaisle.com/2009/09/10/standing-in-the-cold-aisle/</link>
		<comments>http://www.thehotaisle.com/2009/09/10/standing-in-the-cold-aisle/#comments</comments>
		<pubDate>Thu, 10 Sep 2009 14:57:01 +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[airflow]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1527</guid>
		<description><![CDATA[Here is a photograph of my ESG colleague Taya Wyss and Cesar Orosco from NetApp in Sunnyvale standing in a smart cold aisle containment system. This is an aftermarket fitting in a relatively old data centre but nevertheless a useful improvement to cooling efficiency. The photograph shows cabinets facing front to front so that the [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/09/10/standing-in-the-cold-aisle/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Curtains in Sunnyvale</title>
		<link>http://www.thehotaisle.com/2009/08/26/curtains-in-sunnyvale/</link>
		<comments>http://www.thehotaisle.com/2009/08/26/curtains-in-sunnyvale/#comments</comments>
		<pubDate>Wed, 26 Aug 2009 22:59:24 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Contamination]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Data Center Reviews]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Green Ideas]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Plenum Floor]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[Sustainability]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1511</guid>
		<description><![CDATA[I am on the West Coast of the US this week visiting with NetApp in Sunnyvale again. On this trip I had the opportunity to visit a couple of NetApp&#8217;s internal data centers (B11 and the impressive B2 sites) with Cesar Orosco, NetApp on NetApp IT Architect. Cesar is charged with using NetApp technology in [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/08/26/curtains-in-sunnyvale/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>IBM claim that water cooled servers are the future of IT at scale</title>
		<link>http://www.thehotaisle.com/2009/06/03/ibm-claim-that-water-cooled-servers-are-the-future-of-it-at-scale/</link>
		<comments>http://www.thehotaisle.com/2009/06/03/ibm-claim-that-water-cooled-servers-are-the-future-of-it-at-scale/#comments</comments>
		<pubDate>Wed, 03 Jun 2009 21:08:58 +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[IT Operations]]></category>
		<category><![CDATA[Opinion]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[cold air]]></category>
		<category><![CDATA[crac unit]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[heat exchanger]]></category>
		<category><![CDATA[heat load]]></category>
		<category><![CDATA[high density]]></category>
		<category><![CDATA[hot air]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Moves]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[refrigeration]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1403</guid>
		<description><![CDATA[I am old enough to remember the 1960&#8242;s when IBM Mainframes used de-ionized water delivered by micro-bore pipes to cool the CPUs. (In fact I remember a spillage during a mainframe move that resulted in every single auto spares shop in south east England being raided for deionized water). In a recent statement IBM claim that [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/06/03/ibm-claim-that-water-cooled-servers-are-the-future-of-it-at-scale/feed/</wfw:commentRss>
		<slash:comments>18</slash:comments>
		</item>
		<item>
		<title>Defying the laws of Physics &#8211; being dumb in the data center</title>
		<link>http://www.thehotaisle.com/2009/04/23/defying-the-laws-of-physics-being-dumb-in-the-data-center/</link>
		<comments>http://www.thehotaisle.com/2009/04/23/defying-the-laws-of-physics-being-dumb-in-the-data-center/#comments</comments>
		<pubDate>Thu, 23 Apr 2009 21:50:03 +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[air conditioning]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[cold air]]></category>
		<category><![CDATA[crac unit]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[hot air]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Plenum Floor]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[Problems]]></category>
		<category><![CDATA[servers]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1332</guid>
		<description><![CDATA[We are all trying to fix the unfixable in the Data Centre. How do we get more cooling capacity from sites we built a decade ago for low power density applications? One of the biggest problems is that everyone is trying to work against a basic law of physics; hot air rises, and cold air [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/04/23/defying-the-laws-of-physics-being-dumb-in-the-data-center/feed/</wfw:commentRss>
		<slash:comments>14</slash:comments>
		</item>
		<item>
		<title>The low energy light-bulbs that don&#8217;t work</title>
		<link>http://www.thehotaisle.com/2009/03/29/the-low-energy-light-bulbs-that-dont-work/</link>
		<comments>http://www.thehotaisle.com/2009/03/29/the-low-energy-light-bulbs-that-dont-work/#comments</comments>
		<pubDate>Sun, 29 Mar 2009 11:31:45 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Business]]></category>
		<category><![CDATA[consumers]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[Government]]></category>
		<category><![CDATA[low energy]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Problems]]></category>
		<category><![CDATA[SAN]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[UPS]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1276</guid>
		<description><![CDATA[We have all been doing this &#8211; buy some new light bulbs, screw them in, and save the planet &#8211; simple. It was until I picked up an interesting article in today&#8217;s New York Times: A lot of people these days are finding the new compact fluorescent bulbs anything but simple. Consumers who are trying them say [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/03/29/the-low-energy-light-bulbs-that-dont-work/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Low Energy light-bulb tips</title>
		<link>http://www.thehotaisle.com/2009/03/29/low-energy-light-bulb-tips/</link>
		<comments>http://www.thehotaisle.com/2009/03/29/low-energy-light-bulb-tips/#comments</comments>
		<pubDate>Sun, 29 Mar 2009 11:28:13 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Contamination]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[consumers]]></category>
		<category><![CDATA[low energy]]></category>
		<category><![CDATA[Research]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1278</guid>
		<description><![CDATA[Look for bulbs with the Energy Star label, which indicates they meet at least minimal performance requirements. Be aware that compact fluorescents can take one to three minutes to reach full brightness. This is not a defect. The place where people are most likely to use compact fluorescents, closets, may be a poor choice. Experts at [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2009/03/29/low-energy-light-bulb-tips/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Fresh Air Cooling revisited</title>
		<link>http://www.thehotaisle.com/2008/11/11/fresh-air-cooling-revisited-2/</link>
		<comments>http://www.thehotaisle.com/2008/11/11/fresh-air-cooling-revisited-2/#comments</comments>
		<pubDate>Tue, 11 Nov 2008 16:48:51 +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[ashrae]]></category>
		<category><![CDATA[crac unit]]></category>
		<category><![CDATA[environmental impact]]></category>
		<category><![CDATA[fresh air]]></category>
		<category><![CDATA[heat exchanger]]></category>
		<category><![CDATA[kyoto conference]]></category>
		<category><![CDATA[Raised Floor]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=1026</guid>
		<description><![CDATA[I picked up a really interesting website from KyotoCooling that has a very interesting new approach to low energy cooling systems. The firm takes it&#8217;s name from the Kyoto Conference where our governments met and agreed Carbon reduction targets that none of them had any intention of meeting. The Hot Aisle is firmly of the [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/11/11/fresh-air-cooling-revisited-2/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>A Less Well-Oiled War Machine</title>
		<link>http://www.thehotaisle.com/2008/10/17/a-less-well-oiled-war-machine/</link>
		<comments>http://www.thehotaisle.com/2008/10/17/a-less-well-oiled-war-machine/#comments</comments>
		<pubDate>Fri, 17 Oct 2008 14:39:31 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Biomass]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[energy bills]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[energy managers]]></category>
		<category><![CDATA[Finance]]></category>
		<category><![CDATA[generation facility]]></category>
		<category><![CDATA[geothermal power plants]]></category>
		<category><![CDATA[Government]]></category>
		<category><![CDATA[mojave desert]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[price of oil]]></category>
		<category><![CDATA[renewable energy technologies]]></category>
		<category><![CDATA[saving the planet]]></category>
		<category><![CDATA[Sustainability]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[us department of defence]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=896</guid>
		<description><![CDATA[I am a member of the IEEE and receive a great magazine called IEEE Spectrum in the mail. A recent article describes the incredibly advanced thinking within the US Department of Defence on Energy conservation. Why are the DoD so interested in saving the planet? As usual it is driven by economics: Every $10 increase [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/10/17/a-less-well-oiled-war-machine/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<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>Data Center in a Tent?</title>
		<link>http://www.thehotaisle.com/2008/09/24/data-center-in-a-tent/</link>
		<comments>http://www.thehotaisle.com/2008/09/24/data-center-in-a-tent/#comments</comments>
		<pubDate>Wed, 24 Sep 2008 08:06:31 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Contamination]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Data Center Reviews]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[DC Power]]></category>
		<category><![CDATA[fresh air]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[PUE]]></category>
		<category><![CDATA[refrigeration]]></category>
		<category><![CDATA[SAN]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[UPS]]></category>
		<category><![CDATA[zero failures]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=665</guid>
		<description><![CDATA[I read a very interesting article from fellow blogger Christian Belady, who is Principal Power and Cooling Architect at Microsoft. Christian decided to take the PUE challenge and see if he could build a data center with a PUE of one! That is to have all of the power delivered to computing equipment and none [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/09/24/data-center-in-a-tent/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Hot Aisle Containment and Fire Protection</title>
		<link>http://www.thehotaisle.com/2008/09/08/hot-aisle-containment-and-fire-protection/</link>
		<comments>http://www.thehotaisle.com/2008/09/08/hot-aisle-containment-and-fire-protection/#comments</comments>
		<pubDate>Mon, 08 Sep 2008 05:54:17 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Fire Protection]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[containment systems]]></category>
		<category><![CDATA[Curtains]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Fire Detection]]></category>
		<category><![CDATA[IT]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Storage]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[uptime institute]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=546</guid>
		<description><![CDATA[Recently we have been writing a lot about how hot-aisle/cold aisle containment. It is important to be aware this strategy, fire detection and protection requires special attention. A recent article in Search Data Center gives some good advice: Hot-aisle/cold-aisle containment – a variation on the traditional data center best practice of hot-aisle/cold-aisle design – is a way [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/09/08/hot-aisle-containment-and-fire-protection/feed/</wfw:commentRss>
		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>Fire Detection Best Practice</title>
		<link>http://www.thehotaisle.com/2008/09/06/fire-detection-best-practice/</link>
		<comments>http://www.thehotaisle.com/2008/09/06/fire-detection-best-practice/#comments</comments>
		<pubDate>Sat, 06 Sep 2008 20:36:03 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Feature]]></category>
		<category><![CDATA[Fire Protection]]></category>
		<category><![CDATA[accidental discharge]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Blade Servers]]></category>
		<category><![CDATA[Business]]></category>
		<category><![CDATA[business continuity]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Fire Detection]]></category>
		<category><![CDATA[fresh air]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[Problems]]></category>
		<category><![CDATA[smoke detection]]></category>
		<category><![CDATA[Software]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[VESDA]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=536</guid>
		<description><![CDATA[Today we are going to look at how fire detection systems can be used in Data Centers to prevent catastrophic loss and damage; we will focus on Very Early Smoke Detection Systems, (VESDA – Very Early Smoke Detection Alarm). Without an efficient and safe environment, there is no way to be assured of business continuity. [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/09/06/fire-detection-best-practice/feed/</wfw:commentRss>
		<slash:comments>3</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>
		</item>
		<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>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>Proactive Maintenance prevents Pyrotechnics</title>
		<link>http://www.thehotaisle.com/2008/05/11/proactive-maintenance-prevents-pyrotechnics/</link>
		<comments>http://www.thehotaisle.com/2008/05/11/proactive-maintenance-prevents-pyrotechnics/#comments</comments>
		<pubDate>Sun, 11 May 2008 00:30:48 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Argonite]]></category>
		<category><![CDATA[Cascade Failure]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[Fire Detection]]></category>
		<category><![CDATA[Fire Suppressant]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Problems]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[Thermal Imaging]]></category>

		<guid isPermaLink="false">http://www.thehotaisle.com/?p=34</guid>
		<description><![CDATA[Way, way back in the stone age (whilst I was a student) I worked in the Edinburgh University Computer Labs keeping all of the hardware going. I had got a report of a DEC PDP 9 (drop me a mail if you know what one of these is) that kept restarting every few days all [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/05/11/proactive-maintenance-prevents-pyrotechnics/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Just how reliable is my Data Center?</title>
		<link>http://www.thehotaisle.com/2008/04/30/just-how-reliable-is-my-data-center/</link>
		<comments>http://www.thehotaisle.com/2008/04/30/just-how-reliable-is-my-data-center/#comments</comments>
		<pubDate>Wed, 30 Apr 2008 17:00:15 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[IT Operations]]></category>
		<category><![CDATA[Reliability & Availability]]></category>
		<category><![CDATA[AC Power]]></category>
		<category><![CDATA[Cascade Failure]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[PDU]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Power Density]]></category>
		<category><![CDATA[Problems]]></category>
		<category><![CDATA[Reliability]]></category>
		<category><![CDATA[Service Protection]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://thehotaisle.com/?p=50</guid>
		<description><![CDATA[The consequences of data center failure can be pretty catastrophic for your business, so unsurprisingly, you will have very high expectations about availability and reliability. Unfortunately for many of us, our expectations will not be met by reality. Very often the system that is our data center facility is significantly less reliable than we might [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/04/30/just-how-reliable-is-my-data-center/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>When things go wrong &#8211; Batteries</title>
		<link>http://www.thehotaisle.com/2008/04/18/when-things-go-wrong-batteries/</link>
		<comments>http://www.thehotaisle.com/2008/04/18/when-things-go-wrong-batteries/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 18:43:41 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Electrical Systems]]></category>
		<category><![CDATA[Fire Protection]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Data Center]]></category>
		<category><![CDATA[DC Power]]></category>
		<category><![CDATA[Electricity]]></category>
		<category><![CDATA[Fire Detection]]></category>
		<category><![CDATA[M&E]]></category>
		<category><![CDATA[Maintenance]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Problems]]></category>
		<category><![CDATA[Service Protection]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://thehotaisle.com/?p=14</guid>
		<description><![CDATA[The thing about data centers is just how much power they use.  This one in Cardiff, Wales uses about 20MW of power and has huge strings of batteries storing power to drive the UPS units.  The batteries are kept in dedicated battery rooms that are air conditioned to keep the cells cool and maintain a [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/04/18/when-things-go-wrong-batteries/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Using Curtains to manage Data Center Airflow</title>
		<link>http://www.thehotaisle.com/2008/04/18/being-smart/</link>
		<comments>http://www.thehotaisle.com/2008/04/18/being-smart/#comments</comments>
		<pubDate>Fri, 18 Apr 2008 18:35:46 +0000</pubDate>
		<dc:creator>Steve O'Donnell</dc:creator>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Cooling]]></category>
		<category><![CDATA[Green IT]]></category>
		<category><![CDATA[airflow]]></category>
		<category><![CDATA[Cabinet]]></category>
		<category><![CDATA[Curtains]]></category>
		<category><![CDATA[Floor Tiles]]></category>
		<category><![CDATA[Power]]></category>
		<category><![CDATA[Temperature]]></category>

		<guid isPermaLink="false">http://thehotaisle.com/?p=10</guid>
		<description><![CDATA[Separation of Hot and Cold Aisle The photograph above was taken in BT&#8217;s Rochdale Data Centre. It shows the use of curtains to separate the hot and cold aisles, thereby reducing the amount of hot air that mixes with cold air from the plenum floor and dramatically increasing cooling efficiency. Inside the curtained off space [...]]]></description>
		<wfw:commentRss>http://www.thehotaisle.com/2008/04/18/being-smart/feed/</wfw:commentRss>
		<slash:comments>15</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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