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Oracle10g Grid Computing with RAC
Chapter 3 - High Performance and Highly Available
Database Clusters


In this chapter, we have discussed details about high performance and high available database systems, overview of cluster technology, and various types of clusters. There was particular emphasis on database clusters and its requirements for data consistency and concurrency.

Failover clusters are widely used for deploying high available databases. Many cluster vendors provide cluster software or agents, which support relational database failover process. Parallel Database Clusters, which allow concurrent access to data blocks form multiple nodes or instances, have to deal with more complicated issues like cache coherency and lock management. We have also covered different architectures of parallel database clusters, and we also focused on the requirements for a stable parallel database cluster product.

In next chapter, we will cover concepts and general features of Real Application Clusters (RAC), including architectural details and all the components.

For more information, see the book Oracle 11g Grid and Real Application Clusters 30% off if you buy it directly from Rampant TechPress . 

Written by top Oracle experts, this RAC book has a complete online code depot with ready to use RAC scripts.

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Burleson Oracle Consulting offers Senior Oracle consultants which are available for all areas of Oracle support.  Common Oracle consulting support activities include short-term Oracle tuning, Oracle database troubleshooting, Oracle9i and Oracle10g migration, Oracle9iAS App Server consulting, Oracle design reviews and Oracle requirements evaluation support. Oracle support and Oracle consulting services are priced by the hour, so you only pay for what you need. These one-time Oracle consulting services commonly include:

  • Answering questions from your Oracle DBA technical staff

  • Repairing down production Oracle database systems

  • One-time Oracle tuning evaluation

  • Guru support for your Oracle DBA

  • Installation of Oracle application packages

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