Chapter 4. Manage high availability and disaster recovery
It is important to understand the difference between high availability and disaster recovery. It is not uncommon for management in organizations to misunderstand these concepts and use the wrong technology for their SQL Server infrastructure. In this last chapter, we examine the high availability technologies available in SQL Server, as promised in Chapter 2, “Manage backup and restore of databases.”
With high availability, you are using technology in SQL Server to minimize the downtime of a given database solution to maximize its availability. With disaster recovery, however, you are using technology to recover from a disaster incident, potentially minimizing the amount of data lost. ...
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