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Intel looks to save US$250M by consolidating data centres

Intel looks to save US$250M by consolidating data centres

Intel is maintaining a four-year refresh cycle for servers in data centres as it looks to save close to US$250 million in data centre costs over an eight-year period, a company executive said on Tuesday.

The company has already cut the number of data centres by half and is further looking to consolidate servers, said Diane Bryant, Intel's chief information officer, at an event on Tuesday. Intel had 147 data centres at its peak, with the now reduced to around 70.

Intel hopes to save $250 million between 2007 to 2015 by cutting costs associated with data centres, including cooling, system maintenance and support. A four-year refresh cycle for servers, which started in 2007, is already helping the company reduce such expenditure, Bryant said.

The company saved $45 million in 2008 in data centre costs, but there has been a lot more scrutiny on IT expenditure this year, Bryant said. Intel decided a four-year refresh cycle for servers would be optimal as older servers eat up financial resources and cost more to replace. Intel hopes to cut data centre costs by implementing faster chips, consolidating servers and putting more applications in virtualised environments, Bryant said.

Intel has consolidated servers by replacing 10 single-core Xeon chips with one Nehalem-based quad-core Xeon chip. That has helped reduce the hardware in data centres while increasing overall server performance, Bryant said. The company also cut hardware acquisition costs and related overhead costs per server, like energy and maintenance.

A big chunk of data-centre expenditure involved cooling servers, Bryant said. Implementing more power-efficient servers has helped reduce energy costs, but Intel has struggled in identifying an "efficient data centre." Cooling costs relate to the power efficiency of servers, a metric that has been hard to calculate, she said.

Intel is working with US government agencies like the US Environmental Protection Agency to measure power efficiency in different server states from idle to maximum usage, Bryant said. The EPA issued Energy Star ratings for servers in May, with the main metric criteria being the efficiency of a server's power supply and the power consumed at idle.

The company is also using technologies to squeeze out maximum server performance by maintaining high utilisation rates. Intel has about 100,000 total servers, of which 80,000 are in the high-performance computing environment. Intel looks for an 85 percent utilisation rate in the HPC environment without overloading the servers, Bryant said. The company has 20,000 "office" servers for normal tasks, where the company maintains a 65 percent utilization rate for maximum efficiency.

Getting applications out of dedicated hardware and into virtualised environments is one way Intel manages to attain high utilisation rates, Bryant said. At the same time, Intel wants to make sure it reaches the utilization threshold without overburdening systems.

"Back two or three years ago, when virtualisation became the focus, when everybody's data centres were running at 5, 10 or 15 percent utilisation, the focus ... was to drive up utilisation levels through consolidation and virtualisation," Bryant said.

Intel is already trialling numerous ways to cut energy costs. Last year it experimented with a data centre that uses minimal air conditioning. It is also working with academia and companies like Hewlett-Packard and IBM to determine the best techniques to cool equipment in data centres.


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