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How to suspend a database in always on availability group?
You can suspend an availability database in Always On availability groups by using SQL Server Management Studio, Transact-SQL, or PowerShell in SQL Server 2017. Note that a suspend command needs to be issued on the server instance that hosts the database to be suspended or resumed.
What happens when an availability group fails over?
An availability group fails over at the level of an availability replica. A planned manual failover, like any AlwaysOn availability group failover, transitions a secondary replica to primary role. Concurrently, the failover transitions the former primary replica to the secondary role.
What to do if you fail in SQL server failover cluster?
If you failed over outside the automatic failover set of the availability group, adjust the quorum votes of the Windows Server failover clustering nodes to reflect your new availability group configuration. For more information, see Windows Server failover clustering (WSFC) with SQL Server.
How to suspend a database in SQL Server?
Requires ALTER AVAILABILITY GROUP permission on the availability group, CONTROL AVAILABILITY GROUP permission, ALTER ANY AVAILABILITY GROUP permission, or CONTROL SERVER permission. In Object Explorer, connect to the server instance that hosts the availability replica on which you want to suspend a database, and expand the server tree.
When does AlwaysOn fail over with SQL Server?
2014-10-07 22:43:33.960 spid17s AlwaysOn Availability Groups connection with primary database established for secondary database ‘AdventureWorks2012’ on the availability replica ‘SQL143’ with Replica ID: {546df6b8-d07d-4aa4-afb6-5f543d5fae98}. This is an informational message only. No user action is required.
When does a failover of an availability group return?
A failover command returns as soon as the target secondary replica has accepted the command. However, database recovery occurs asynchronously after the availability group has finished failing over. Cross-database consistency across databases within the availability group might not be maintained on failover.
How to fail over the primary replica in availability group?
There are two ways to fail over the primary replica in an availability group with cluster type NONE: Use this method when the primary replica is available, but you need to temporarily or permanently change which instance hosts the primary replica.