Can a database belong to more than one availability group?

Can a database be in multiple availability groups?

The cluster node can participate in multiple availability groups, with one replica from each group. Ask your database administrators how many cluster nodes are required for to support the availability replicas of the planned availability groups.

How many databases can you have in an availability group?

There is as such no limit defined. Microsoft has tested only upto 10 AG and 100 Databases. If you want to create more AGS, You will have to do so and test the workload you have to see that you do not land into performance issues for same.

How many availability groups can be created in SQL Server?

SQL Server 2017 introduced two different architectures for availability groups. Always On availability groups provide high availability, disaster recovery, and read-scale balancing. These availability groups require a cluster manager. In Windows, the failover clustering feature provides the cluster manager.

How many availability modes are supported by Always On?

Always On availability groups supports three availability modes-asynchronous-commit mode, synchronous-commit mode, and configuration only mode as follows: Asynchronous-commit mode is a disaster-recovery solution that works well when the availability replicas are distributed over considerable distances.