© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023
P. A. CarterPro SQL Server 2022 Administrationhttps://doi.org/10.1007/978-1-4842-8864-1_14

14. High Availability and Disaster Recovery Concepts

Peter A. Carter1  
(1)
SOUTHAMPTON, UK
 

In today’s 24×7 environments that are running mission-critical applications, businesses rely heavily on the availability of their data. Although servers and their software are generally reliable, there is always the risk of a hardware failure or a software bug, each of which could bring a server down. To mitigate these risks, business-critical applications often rely on redundant hardware to provide fault tolerance. If the primary system fails, then the application can automatically ...

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