Viewing the performance of storage systems

View information that is collected about the performance of storage systems in your environment. You can view trends in performance over a period for storage resources to help you identify performance issues. To view performance trends, you can select metrics for volumes, disks, or ports and specify a time range.

1. From the Insights menu, click Performance. The 10 storage systems with the highest overall total I/O rate over a 12-hour period are displayed in the chart and selected in the performance chart legend.
2. Hover the mouse pointer over points on a line in the chart to view a snapshot of performance information at a specific time. For example, to view the overall total I/O rate for a selected storage system for a specific time during the default 12-hour period, hover over the corresponding data collection point on the line that represents the storage system.
   
   Tip: To change the performance view, you can use various controls, for example:

   • To change the default period, click the relevant option, such as 1 hour, 1 month, or 1 year. Alternatively, to modify the time range, click the start time field or end time field at the bottom of the chart.
   • To change the performance metrics that are displayed, click the Metrics icon. On the Volume Metrics tab, the Disk Metrics tab, or the Port Metrics tab, click the metric or metrics you want to display and click OK.
   • To display the chart information in table format, click the icon.