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Chapter 2  Grid, Utility Computing and Clusters 

The Nature of Grid

With sudden interest in the grid and grid-related technology, many IT vendors and analysts are creating their own vision, definition and solutions in the grid space. Grids have moved from the obscurely academic to the highly popular. We read about Compute Grids, Data Grids, Science Grids, Access Grids, Knowledge Grids, Bio Grids, Sensor Grids, Cluster Grids, Campus Grids, Tera Grids, and Commodity Grids as proposed by various IT companies and researchers. There are so many flavors and variations, based on the functionality and sometimes based on the understanding. Many IT vendors freely term their solutions as Grid technologies and try to fit them into some category.

Let’s ponder what Ian Foster has to say,

“Ultimately the Grid must be evaluated in terms of the applications, business value, and scientific results that it delivers, not its architecture. Nevertheless, the questions above must be answered if Grid computing is to obtain the credibility and focus that it needs to grow and prosper.”

Ian Foster’s 3-point checklist for a grid computer:

  1. Coordination of Distributed Resources - Grid controls and integrates different resources and users within different control domains – for example desktops versus large computers, different units of same enterprise and different enterprise. It also addresses the issues of security, policy, membership and payment. 

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.

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