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Chapter 2  Grid, Utility Computing and Clusters 

Computational Power

First, the processing power can be harnessed by running an application on available machines in the grid rather than locally. Second, the user application can be designed to split its computation tasks or work and execute them in parallel running on different machines or processors. The third, involves running an application many times on many different machines in the grid. Grid architecture provides a suitable software and framework to make this work.

Data and Storage

The next significant resource that an application would like to utilize is the data or storage resource. The data is available in a variety of forms such as structured databases, data files, XML documents and others. Storage is attached to various machines (or servers) in the form of directly attached file systems, or network attached file systems (NFS). By providing a robust storage array attached to multiple servers in the grid environment and creating a unified file system that is attached to multiple servers, the data or files can be made accessible to many servers and thereby to the user applications. Users do get local access to such data. It also becomes easier for the users to reference the data in the grid.

In the case of structured database systems, the data can be made available in two forms: the Clustered Database and the Federation of Databases. In a clustered solution, the same data can be accessed by referring to any server in the cluster configuration. Federation of database is more like an association of data to form a comprehensive database. In a single query, user application is able to access multiple database resources.


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.


Remote DBA Services

Burleson Consulting can offer world-class remote Oracle database support at super-affordable prices.

Our remote Oracle DBA service provides 100% of the remote Oracle database administration needs for your company, and includes 24x7 access to our staff of 100% OCP Certified Oracle DBAs. 

We require a 12 month service commitment and include the following services:

  • Initial configuration review and problem identification
  • Installation of Oracle statistics collection mechanisms and quarterly database growth summaries
  • Hourly monitoring of your Oracle database for pending problems
  • Periodic performance analysis & identification of tuning activities
  • Twenty Four hour Oracle emergency support
  • Reporting and resolving all serious Oracle alert log messages
  • Free use of the BC TablePack, ServerPack and AuditPack services
  • Quick response emergency support for production database outages
  • Four hours of free remote DBA support every month. You can use these free hours for any DBA activity, including database analysis, system design, production migrations or personal mentoring.

For more information, please visit www.oracle-training.cc or email info@remote-dba.net.

   
 
 
 

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