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Informix Dynamic Server 11.50 Fundamentals Exam 555 certification preparation, Part 9: Informix replication technologies

Data replication and high availability

Rashmi Chawak (chawak@us.ibm.com), Advanced Support Engineer, IBM
Rashmi Chawak photo
Rashmi Chawak is an Advanced Support Engineer for IDS at IBM. She has been in this position supporting IDS for over seven years and has worked on porting IDS product on various platforms. Her current area of focus is replication strategies.
David B. Kolbinger (dkolbin@us.ibm.com), Advanced Support Engineer, IBM
David Kolbinger is an Advanced Support Engineer for IDS at IBM. He has worked with IBM Informix Dynamic Server since 1996. His current area of focus is on replication strategies.

Summary:  This is the last tutorial in a series of nine tutorials to help you prepare for the IBM® Informix® Dynamic Server (IDS) 11.50 Fundamentals certification exam 555. This tutorial discusses replication technologies and provides an overview of high availability technologies available in IDS. Learn the difference between High Availability Data Replication and Enterprise Replication, and follow the steps for how to set up an IDS server for replication and high availability.

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Date:  17 Sep 2009
Level:  Introductory
PDF:  A4 and Letter (67 KB | 24 pages)Get Adobe® Reader®

Activity:  12577 views
Comments:  

Before you start

This tutorial gives an overview of IDS replication technologies.

About this series

This complimentary series of nine tutorials has been developed to help you prepare for the IBM Informix Dynamic Server 11.50 Fundamentals certification exam (555). This certification exam will test your knowledge of entry-level administration of IDS 11.50, including basic SQL (Structured Query Language), how to install IDS 11.50, how to create databases and database objects, security, transaction isolation, backup and recovery procedures, and data replication technologies and purposes. These tutorials provide a solid base for each section of the exam. However, you should not rely on these tutorials as your only preparation for the exam.

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About this tutorial

This tutorials discusses different replication and high availability technologies offered by IDS 11.50. It explains how to configure High Availability Data Replication (HDR), Enterprise Replication (ER), Remote Standalone secondary (RSS) servers, Shared Disk secondary (SDS) servers, and continuous log restore.

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Objectives

This tutorial is designed to help you become familiar with:

  • Different replication technologies offered by IDS
  • The difference between the various replication technologies
  • Different replication terminologies
  • How to setup up HDR, ER, RSS, SDS, and continuous log restore

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Prerequisites

This tutorial is written for IDS database professionals whose skills and experience are at a beginning to intermediate level. You should be comfortable in setting up the sqlhosts file, setting configuration parameters, and starting IDS. You should be familiar with different IDS utilities like onmode, onstat, ontape, ON-bar, and so on.

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System requirements

To run the examples in this tutorial, you need a UNIX computer with IDS installed and to be able to start two IDS instances.

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TutorialTitle=Informix Dynamic Server 11.50 Fundamentals Exam 555 certification preparation, Part 9: Informix replication technologies
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