Microsoft SQL Always On Availability Group is effectively a SQL mirroring cluster.
In a Microsoft SQL Always On Availability Group, there is one single primary replica, aka, the active database, and up to 8 secondary replicas, aka, the passive databases.
Setting up a HA cluster with a Microsoft SQL Always-on Availability Group is very simple. Follow the steps below:
Follow the normal installation process to install the primary DualShield Server. In the database selection step, select Microsoft SQL as the database server
The secondary DualShield server must be a replica of the primary DualShield server. Follow the guide below to clone the primary DualShield server to the secondary server machine.