Office Communications Server 2007 R2 also depends on SQL Server databases for storing user information, conference state, archiving data, and Call Detail Records (CDRs). You can maximize the availability of Office Communications Server data on Office Communications Server 2007 R2, Back-End Databases, by partitioning the application data in a way that improves fault tolerance and simplifies troubleshooting. To achieve these goals, partition the application data by:
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Using server partitioning best practices. Separate your
operating system, application, and program files from your data
files.
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Storing transaction log files and database files. Store
these files separately to increase fault tolerance and optimize
recovery.
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Using server clustering. Cluster the back-end servers to
optimize Office Communications Server 2007 R2 system availability.