Difference between sql cluster and availability groups. Feb 13, 2009 · Conclusion AlwaysOn Availability Group and AlwaysOn Failover Instance are the two provisions that enable the users to increase the availability of SQL Server instance. Aug 26, 2025 · Enhance your high availability and disaster recoverability by combining the features of a SQL Server failover cluster instance and an Always On availability group. Jun 29, 2025 · Always On availability groups and Always On Failover Cluster Instances serve similar purpose – provide higher availability for your SQL Server. Jan 29, 2016 · I would like to know the differences between Failover Clustering and AlwaysOn Availability Groups in SQL Server 2012 Assuming you need to make sure your application that relies on SQL Server 2012 as its database backend is available around the clock, even if one server machine fails. Although the goal is pretty much the same, the mechanics behind the two are different. As a developer and not a DBA, I am struggling to understand when to use which scenario for my failover / high availability:. In this article, we’ll explore scenarios where Failover Cluster Instances are preferable over Availability Groups and discuss when and why you should choose FCIs. Oct 9, 2018 · To start with there is nothing called as Always On or Always ON availability groups it is simply called as Availability groups. Always On Clustering and Always On Availability Groups are 2 separate concepts. jptjea xecg akudu myevb fnnnvc nzl zhz pjhwdv sviry kkbi