High Availability and Disaster Recovery at ServiceU: A SQL Server 2008 Technical Case Study


An old but still relevant case study in achieving high availability with SQL Server.

Achieving maximum availability and near immediate recovery from a disaster is essential for maintaining our revenue stream. We have worked hard to eliminate all single points of failure in our architecture, and we have developed procedures for patching servers, upgrading software, and implementing application changes that preserve high availability. Based on these efforts, we have achieved 99.99 percent uptime, including both planned and unplanned downtime.

This case study examines the decisions that we made and the procedures we employed to maintain maximum availability with minimal downtime. This information will be of interest to senior IT managers, project leads, architects, and database administrators (DBAs).

Source: http://msdn.microsoft.com/en-us/library/ee355221.aspx


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