SQL Server – AlwaysOn Availability Groups

Introduction Microsoft introduced the AlwaysOn Availability Groups which is a high-availability and disaster-recovery solution that provides an enterprise-level solution in SQL Server 2012. Using Database Mirroring for local high availability and combining it with Log Shipping for a disaster recovery solution is popular deployment architecture prior to SQL Server 2012. With SQL Server 2012, the Database Mirroring and Log Shipping solution can be replaced with an Availability Group solution with multiple secondaries. AlwaysOn Availability Groups – Deployment Architecture The whitepaper

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