Summary

In this chapter, we introduced you to the DR discipline and the big picture of business continuity on SQL Server. DR is not only about having backups, but about the ability to bring the service back so that it can perform operations after severe failures.

We have looked at several options that can be used to implement part of DR on SQL Server, such as log shipping, replication, and mirroring. An HA/DR configuration is an essential step in most SQL Server deployments. All three features we discussed in this chapter are still in use today, although mirroring has been retired in many environments and is being replaced with the more flexible Availability Groups, which will be discussed in Chapter 9, Configuring Always On High Availability Features. Throughout this chapter, you have seen the configuration options for all three features, which can help you deploy them in to your environments.

In the next chapter, we'll focus on indexing strategies and introduce various...