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What is SQL Server AlwaysOn?
SQL Server AlwaysOn is the new high availability and disaster recovery solution for the next release of SQL Server. Using AlwaysOn businesses can achieve increased application availability for their mission critical applications and get higher returns on their high availability investments through better utilization of hardware resources. AlwaysOn also increases productivity and lowers TCO by greatly simplifying high availability deployment and management.Database Availability and Instance Availability using AlwaysOn
The key aspect of AlwaysOn is that it provides you with the flexibility to configure high availability and disaster recovery for your application databases and\or for the entire instance
Key Features of AlwaysOn Availability Group
Key Features of AlwaysOn Failover Cluster Instance
For more information on AlwaysOn please go to the AlwaysOn Resource Center. This has links to AlwaysOn Team blog, forum, documentation, download etc.Also feel free to look at the 2011 TechEd sessions on AlwaysOn which contains videos and demos on AlwaysOn – Introduction session & Drill Down session.Please download SQL Server Code Name “Denali” CTP3 today and play with the AlwaysOn features. We are eagerly looking forward to feedback on the product, which you can provide to our engineers directly on our Connect Site.
Santosh Balasubramanian Senior Program Manager Microsoft SQL Server Engine Team