SharePoint 2010 provides rich integration with SQL Server enabling SharePoint administrators to leverage the high availability solutions provided by Microsoft SQL Server. Changes include support for the Fail-over_Partner keyword, which enables SharePoint 2010 to natively interpret/translate and respond to state changes in a database mirroring topology. Following is brief of how to accomplish SQL Mirroring.

SQL Mirroring – The Native Way

Since SharePoint 2010 has built-in support for SQL mirroring so farm administrator can configure the SQL environment to mirror a SharePoint content database. When a new database is created, the SharePoint administrator will be prompted to enter the fail-over server. SharePoint then communicates with the witness server, and if issues are discovered, SharePoint will fail-over to the hot backup of the environment. Following image shows the configuration:

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