ADVERTORIAL INFINITY
Issue 12, Oct/Nov
THE ECONOMICS OF THE DATA CENTRE Delivering efficient, resilient data centres within replication distance of London
GREENING IT
With many data centre dependent businesses in the UK already targeted by legislation such as the Energy Act, solutions for reducing data centre emissions have not been in short supply. Where they have been offered, many of these solutions compromised on resilience for efficiency. Infinity provides resilient data centre solutions which deliver energy efficiency and significant energy cost savings. These “thought-through” solutions make green a viable proposition for both investment banks and environmentalists delivering efficiency available without compromising resilience.
THE MYTH The myth that efficient means expensive is put forward by some as justification for not migrating facility. Yet an energy efficient solution should be no more expensive than a legacy one. The logic is simple. In an inefficient data centre where the PUE is 2.5, you need more plant; either more smaller units or bigger variants of equipment such as generators to support the inefficiency of the infrastructure. In an efficient facility you buy fewer more expensive units, but the total cost is broadly the same. By designing facilities efficiently and using the correct module sizing of plant it is perfectly possible to deliver an energy efficient solution for the same price as an energy inefficient one.
AN ECONOMIC CASE Knowing that the site costs are the same makes building an economic case for Green IT very simple. In many legacy data centres for every 1kW of energy used to power IT a further 1.5kW is required for cooling and housekeeping. In economic terms, this means that a legacy facility with an IT power load of 2MW and a PUE of 2.5 pays an annual power bill of around £2.6 million (at full load). At Infinity TWO that same power load would cost only £1.4 million in the base year. A 46% saving in energy costs. Taking this saving of £1.2 million and calculating the cost over the 10-15 year lifecycle of a data centre, against a backdrop of rising energy prices, quickly justifies change. This without
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considering the impact of Carbon Legislation and effective taxation on a corporation not just at the data centre level but across all of a companies premises within the UK, where changing position in the league table can have dramatic effect. The secondary benefits and risk reduction from improved resilience in a new facility designed to Uptime Institutes guidelines makes the case rock solid.
TECHNICAL SOLUTIONS None of this is possible if there is any doubt over the technical solution. Historically in many cases, free cooling data centres were too remote to support the synchronisation requirements of central London customers. The Infinity TWO facility in Romford achieves an annualised PUE of 1.4 through the use of free cooling technology but each design is focussed on making sure the resilience needs for individual customers are met. For example where water towers are used they are backed by chillers rated to individually support the entire cooling system at full IT load, providing a 2N system during normal operations. The extra cost of plant being
covered by the energy saving benefits of the overall design. Resilience is paramount and must be thought-through for every eventuality.
INFINITY TWO Infinity TWO provides a low PUE of 1.4 in an urban facility on the edge of the M25, while ensuring resilience for the most critical of applications. Low latency can be maintained and energy efficiency delivered without compromising on resiliency. For CIO’s and CTO’s looking or needing to enhance their technology infrastructure the economics of the move should be compelling.
Spencer Lamb
Email -
spencer.lamb@
infinitysdc.com Telephone - 01908 488044
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