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Which is the best high availability option for SQL Server?
Above are the five most popular High Availability options to use for SQL Server, however, there are plenty of third party tools that you can use as well. Another option that seems to be used more and more is clustering your servers and combining this option with database mirroring.
How does clustering work in SQL Server high availability?
SQL Server Clustering Overview Clustering involves at least two servers and is more of a server level high availability option compared to a database level option. Clustering will allow one physical server to take over the responsibilities of another physical server that has failed. This is crucial in environments that need close to 100% uptime.
Is there always on availability in SQL Server 2016?
SQL Server 2016 supports MSDTC with AlwaysOn Availability Groups (AG) on Windows Server 2016 and Windows Server 2012 R2. Windows Server 2012 R2 requires the 3090973 Windows hotfix to be installed. Windows Server 2016 requires that the RemoteAccessEnabled registry key be enabled.
Are there configuration options in SQL Server 2016?
SQL Server 2016 now supports database level configurations that affect the behavior of the application code at the database level. Previously we did not have these options at the database level, these options were applicable for the entire instance.
What are the different methods of high availability?
Different High Availability methods explained. 1 1. Replication. Let’s start with a feature which often comes up in the discussion: the replication feature within Microsoft SQL Server. It works by 2 2. Log Shipping. 3 3. Mirroring. 4 4. Always On Failover Clustering. 5 5. Always On Availability Groups.
What does always on availability groups in SQL Server mean?
The Always On availability groups feature is a high-availability and disaster-recovery solution that provides an enterprise-level alternative to database mirroring. Introduced in SQL Server 2012 (11.x), Always On availability groups maximizes the availability of a set of user databases for an enterprise.