So, first of all, what is Auto-failover groups?
“The auto-failover groups feature allows you to manage the replication and failover of databases to another Azure region. You can include of a group of databases or all user databases in a logical server to be replicated to another logical server. It is a declarative abstraction on top of the active geo-replication feature, designed to simplify deployment and management of geo-replicated databases at scale.“
Read on to see some of the benefits of this, as well as how to enable it.