Book Image

Microsoft SQL Server 2008 High Availability

By : Hemantgiri S. Goswami
Book Image

Microsoft SQL Server 2008 High Availability

By: Hemantgiri S. Goswami

Overview of this book

<p>Every business has it's mission critical applications and data. Therefore, it is very important to keep database servers up and running all the time – 24 X 7. There is a need to store and process terabytes of data to cater for business needs, and it is vital to make data highly available.<br /><br />High availability is all about the site being accessible all the time. High availability solutions minimize the downtime for these mission critical applications.</p> <p>Microsoft SQL Server is a powerful relational database engine, widely used to store and maintain data in Enterprises of various levels be they small, medium or large.</p> <p>This book will teach you how best to use these readily-available options and save you time in making your websites highly available.<br /><br />This Microsoft SQL Server 2008 High Availability book will take you through pre and post installation concepts and common issues you come across while working with SQL Server HA. It will teach you how these various HA solutions can be installed using GUI and the command line. It will also show you how to troubleshoot common issues you may encounter whilst installing or managing the HA option in your environment. It provides references to external links for more advanced learning on the topic.<br /><br />This book starts with an introductory chapter into the windows domain, domain users and various handshake methods available with Windows server. It also offers information the different authentication methods available with SQL Server - giving you an insight into the importance of security. After you are through with the security aspects, your journey to installing SQL Server HA will start. It will cover the concepts of database mirroring, log shipping, clustering, and replication.<br /><br />By the end of this book you will be confident enough to take up the challenge to install any of the SQL Server HA options.</p>
Table of Contents (18 chapters)
Microsoft SQL Server 2008 High Availability
About the Author
About the Reviewers

Chapter 6. Peer-to-Peer Replication

Mr. Young is a DBA with XY Incorporation. The company has a data center located in the main campus and has recently developed a homegrown ERP system that is hosted on the SQL Server Database. This application will be the main production application, and thus the application and the database is very critical to the company. While the development team was estimating the future growth of the database, they took the help of Mr. Young. According to Mr. Young, it would grow 40 GB per year and they would be exposing some part of the data to the external users for reporting.

During the board meeting, management had asked Mr. Young to design an infrastructure that can handle the load in the early stage of the application as well as in the future. Also, the database should be highly available to the internal and external users with minimal downtime. After a few days of research, Mr. Young finally prepared a plan to implement the Peer-to-Peer (P2P) Replication, so...