Infosys : Virtualization and Green Initiative

A virtualization and server consolidation exercise that translated to higher profits and massive reduction in server space

Monday, June 01, 2009

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For starters, IS runs the globally-accessed, 24x7 digital business engine for Infosys on multiple- platforms using an array of technologies. Rapid growth of applications and users demanded a robust, on-demand server infrastructure with reduced TCO/management. A virtualization solution was deployed by Infosys to address this specific business need, additionally offering Green IT benefits. The technology used encompassed server consolidation & virtualization, blade centers and virtual tape libraries, leveraging existing storage virtualization solution.

As the organization grew with a CAGR of over 45%, Infosys claimed to have several challenges in terms of scalability and availability of applications. There were around 160 legacy servers on which applications were running from years. The hardware was obsolete, and space crunch at the data center along with cooling and power limitations had started becoming a major hurdle for adding additional capacity to scale.

Scaling up infrastructure on demand and supporting end-of-life servers were some of the hurdles IS department faced. The key purpose was to meet stringent performance, scalability, availability and business continuity requirements, while managing a low TCO and supporting a Green environment.

At the end of the deployment though, energy savings of over 85% and data center space savings of around 80% are said to have been achieved, with a saving of total data center space to the tune of 366 sq ft in addition to a cost saving of around USD 3,235,064.

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