Book Image

SQL Server 2019 Administrator's Guide - Second Edition

By : Marek Chmel, Vladimír Mužný
Book Image

SQL Server 2019 Administrator's Guide - Second Edition

By: Marek Chmel, Vladimír Mužný

Overview of this book

SQL Server is one of the most popular relational database management systems developed by Microsoft. This second edition of the SQL Server Administrator's Guide will not only teach you how to administer an enterprise database, but also help you become proficient at managing and keeping the database available, secure, and stable. You’ll start by learning how to set up your SQL Server and configure new and existing environments for optimal use. The book then takes you through designing aspects and delves into performance tuning by showing you how to use indexes effectively. You’ll understand certain choices that need to be made about backups, implement security policy, and discover how to keep your environment healthy. Tools available for monitoring and managing a SQL Server database, including automating health reviews, performance checks, and much more, will also be discussed in detail. As you advance, the book covers essential topics such as migration, upgrading, and consolidation, along with the techniques that will help you when things go wrong. Once you’ve got to grips with integration with Azure and streamlining big data pipelines, you’ll learn best practices from industry experts for maintaining a highly reliable database solution. Whether you are an administrator or are looking to get started with database administration, this SQL Server book will help you develop the skills you need to successfully create, design, and deploy database solutions.
Table of Contents (17 chapters)
Section 1: Provisioning the SQL Server Environment
Section 2: Server and Database Maintenance
Section 3: High Availability and the Cloud with SQL Server 2019

Chapter 9: Configuring Always On High Availability Features

SQL Server high availability includes two main components called Always On Failover Cluster Instances and Always On Availability Groups. In this chapter, we will look at these two in depth and explore possible configurations for the SQL Server environment. Both features use Windows Server Failover Cluster (WSFC) functionality but have different methods of deployment.

WSFC is a server feature available on Windows Server, which allows the grouping of computers into a fault-tolerant cluster. In a case where one or more nodes fail, others will keep the service or application available.

Each Windows Server version brings new features to the WSFC feature and many of those can be beneficial for SQL Server deployment. Windows Server 2012 and 2012 R2 have brought many new enhancements and new features to WSFC, with a strong emphasis on the Hyper-V role used for virtualization. The main new features and improvements...