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Friday, June 03, 2005

Platform Migration HDFC Bank

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Project Head: Surya Prasad, Vice President 
Location: Mumbai covering 215 branches across India

As businesses continue to grow, the pressures on the IT infrastructure that supports the business grows too. An answer to handle this additional load is to scale up the infrastructure. However, technology obsolescence and inflexible systems restrict scaling up. HDFC Bank faced a similar problem, it required additional infrastructure support that could optimize performance and also future proofs their investment. But, their existing Alpha server infrastructure could not offer the kind of flexibility, performance and manageability, which would serve their growing needs. Also, a solution was required that could handle peak time workloads. HDFC decided to shift the system platform from Alpha to Power5. The reasons for this were better performance, virtualization, which allows dynamic partitioning of the system resources, and on-demand feature, which provides a way for handling peak loads. 

The systems decided were two IBM P570s each having 12 Power 5 CPUs and 50GB RAM, and configured in failover cluster mode. Of the twelve CPUs, ten are used for normal operation, and the remaining two are standby, which are utilized as and when the load starts peaking. Apart from the main systems, an eight CPU system is used at the disaster recovery site.The project started in August' 04 and took nine months for completion, including migration of Oracle data, and FlexCube and CashIn applications, which are used for corporate banking and for cash management respectively.

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