Dell PowerStore Configuring Volumes

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Volume Group Capacity

You can view the capacity metrics for a volume group from the Storage > volume groups > [volume group] > Capacity card.

Capacity metrics for volume groups are collected every 5 minutes, and rolled up to 1-hour and 24-hour aggregates.

The Usage area displays the current capacity metrics for the volume group.

NOTE:PowerStore Manager displays all capacities in base 2 by default. Hover over the Percentage Used, Free, and Provisioned values at the top of Capacity tab to display a tooltip that shows the values in both base 2 and base 10. For more information, see Dell Knowledge Base Article 000188491: PowerStore: How PowerStore physical capacity is calculated.

Table 1. Current volume group capacity metricsMetrics displayed in the Usage area of the Capacity card
Metric	Description
Used	Amount of data that is written to the volumes in the volume group. The doughnut chart displays the Used metric as a percentage of the total provisioned capacity.
Free	Amount of data that can be written to the volume group.

The Historical Usage area displays the capacity metrics for the selected time period.

Table 2. Historical volume group capacity metricsMetrics displayed in the Historical Usage area of the Capacity card
Metric	Description
Provisioned	Total amount of data that can be written to volumes in the volume group.
Used	Amount of data that is written to the volumes in the volume group.

The Historical Usage chart shows the date and time along the x-axis against the usage along the y-axis. To interact with this chart:

Select the time period.
Hover over a data point in the chart to display the metric value at that point-in-time.
Zoom in on a time period by moving the ends of the line chart. Click Reset zoom to reset the chart.
Print or download the data from the chart by selecting an option on the chart menu. This is located on the top-right corner of the chart.