Articles & Content


Database Virtualization vs Database Clustering (I11)

Topic: 2009 NA

Subtopic: DB2 for LUW

DATE: 2009-5-14 (02:45 PM - 03:45 PM)
SPEAKERS: Ariff Kassam (xkoto, Inc)

IT professionals have been relying on HA clustering for years to meet the availability requirements of critical business databases. IT architects and DBAs grapple with the limitations inherent in the design of clustered database systems, such as limitations of performance & scale, complexity, waste and high cost. Despite these drawbacks, passive database failover systems may be "good enough" for many businesses applications. However, many IT architects are looking to escape the limitations of traditional clustering architectures by taking advantage of database virtualization, which is emerging as a viable approach to traditional clustering, offering numerous benefits, including elimination of downtime, scalability, and performance improvements. With database virtualization, all databases are always active, allowing patches, updates and other maintenance tasks to be performed without taking down an application or the cluster.

EXP. LEVEL: Intermediate


While database clustering remains a good solutions for some applications, many new applications require much better availability and scalability.

Database virtualization represents a significant breakthrough in terms of database availability and scalability.

There are solutions that will enable you to perform routine database maintenance without having to ake down your application or cluster.

Numerous companies are already employing database virtualization solutions and have realized significant performance improvements in their DB2 environments.

You can significantly improve your disaster recovery solution through the implementation of database virtualization technology.

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