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 October 2007. Energy efficiency, power and cooling is top of mind with enterprise customers. Rising energy costs -- at a time when power consumption is also increasing -- means that energy outlays now consume a larger and larger portion of companies’ IT budgets. Additionally, the global environmental impact of carbon emissions is an important aspect of any organization’s environmental responsibility concerns. At the same time, worldwide regulatory and government legislation are becoming a more critical element of this power and cooling equation.
HP is addressing the energy efficiency challenge, holistically, with solutions that optimize energy use from the “chip to the chiller”, across the entire data center.
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Fact 1: The power and associated costs to cool the data center can be as much or more than the cost of powering the IT equipment. A study by HP and The Uptime Institute suggests that in a majority of the world's data centers 60-70% of a data center’s power is associated with the power of cooling the IT equipment(1) |
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| Power consumption in the data center |
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While many in the industry are narrowly focused on only one aspect of the problem -- reducing the power of chips and other components, HP is also addressing the need to reduce the power requirements and costs associated with cooling the data centers themselves. HP’s Dynamic Smart Cooling enables a computing infrastructure to intelligently interact with the facilities that support the datacenter, and thus greatly optimize its cooling capabilities.
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Gartner recommends to,“Consider in-rack cooling where the row of racks exceeds an average 15kW per rack.”
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Source:
Author:
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Gartner “Meeting the Data Center Power and Cooling Challenge”
Michael A. Bell
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 Power capping of HP ProLiant and BladeSystem servers available through HP’s Insight Power Manager can allow up to 40% more servers in the same power envelope.5 HP Power Regulator for ProLiant can save up to 10% of cooling and up to 10% of power costs.6 |
 Virtualization of HP servers using VMware, Microsoft or Xen for HP ProLiant, HP Virtual Server Environment for HP Integrity and the virtualization of LAN and SAN connections with HP BladeSystem HP Virtual Connect can save up to 40% of energy costs for data centers.7 |
 Storage consolidation through Thin Provisioning & HP’s Dynamic Capacity Management saves up to 45% of power & cooling for Storage.8 Thin provisioning is available with the HP Storage Works XP24000 and Dynamic Capacity Management works similarly on the EVA 4100, 6100, and 8100 products. |
 HP BladeSystem Thermal Logic technology reduces power, cooling and space costs by 30% according to head to head comparison of an equivalent amount of compute power in a rack mount configuration.9 |
 Energy optimized HP ProLiant servers use 18% less power.10 Energy optimized components such as power efficient processors from Intel and AMD, small form factor drives, efficient power supplies and low power memory lower the power consumption of all HP servers where deployed. |
| Each of these power saving solutions may have an effect on each other. However, by employing each of these solutions optimally together, customers can see up to 60% savings in total energy use of their data centers. |
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1 HP, Christopher Malone, PhD, Christian Belady, P.E., “Metrics to Characterize Data Center & IT Equipment Energy Use”, Digital Power Forum, Richardson, TX (September 2006) & “How to Minimize Data Center Utility Bills”, HP C. Belady, P.E., Sept 2
2 60% savings calculated using all of the HP energy efficient solutions in aggregate and does not constitute a guarantee. Not all data centers are the same, customer’s actual savings may vary.
3 See: http://h71028.www7.hp.com/ERC/cache/438048-0-0-0-121.html?ERL=true
4 See http://h20219.www2.hp.com/services/cache/549230-0-0-225-121.html
5 HP press outreach June 2007
6 Power regulator 3rd edition Tech Brief Feb 2007, ISS Performance Testing Engineering assuming a 320watt server
7 Computerworld, “Low Cost Data Center Locations, Sept 3, 2007 http://www.computerworld.com/action/article.do?command=viewArticleBasic&articleId=300809&pageNumber=3
8 Green storage from HP, http://h20331.www2.hp.com/enterprise/cache/504592-0-0-0-121.html
9 Report by SineNomine, http://h71028.www7.hp.com/ERC/downloads/SNA_HP_Power_Cooling_Paper_FINAL-20070215.pdf
10 HP Power Calculator comparing power optimized DL380g5 to a 100watt processor DL380g5. Each server had 2 drives, 6 fans and the same memory and PCI-e cards.
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