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You should run the Disk Statistics report to analyze the disk activity such as work files per minute or page read/writes per second.

How

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SQL Diagnostic Manager calculates metric values on this report

Most values on the Disk Statistics report correlate with the related SQL Server metric. However, some metric values represent averages over time. Likewise, a few metric values are based on performance algorithms that use multiple statistics to calculate a more accurate metric.

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• How is the Worst Performing and Most Frequent Queries information gathered? - Solution #00000412
• How does SQL diagnostic manager Diagnostic Manager gather statistics from monitored SQL Servers? - Solution #00000055
• How does SQL diagnostic manager Diagnostic Manager calculate the reorganization percentage for database tables? - Solution #00000301
• What does the 'Memory Usage' metric in the console and reports represent? - Solution #00002237

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