SQL Server AlwaysOn Features
For SQL Server high availability needs, SQL Server 2014 provides a feature referred to as AlwaysOn. The AlwaysOn features provide SQL Server administrators more power and flexibility in their efforts toward providing both high availability and disaster recovery. AlwaysOn is not a technology in and of itself but rather the grouping of the latest high-availability and disaster-recovery features in SQL Server.
The AlwaysOn features consist of AlwaysOn Availability Groups and AlwaysOn Failover Cluster Instances. The AlwaysOn Availability Groups feature is a high-availability and disaster-recovery solution that provides an enterprise-level alternative to database mirroring, which was designated as a deprecated feature ...
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