5 Capacity Manager

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5 Capacity Manager

To open Capacity Manager, select the Capacity Manager... option from the PEM client Management menu; the Capacity Manager wizard opens, displaying a tree control on the Metrics tab (see Figure 5.1).
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Expand the tree control on the Metrics tab to review the metrics for the node that you wish to analyze (see Figure 5.2). Check the box to the left of the name of the metric to include the metric in your report.
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Capacity Manager will use the aggregation method specified with the Aggregation drop-down listbox (located at the bottom of the Metrics tab). The aggregation method instructs Capacity Manager how to evaluate and plot the metric values. Select from:
Move the slider next to Graph/chart metrics individually? to Yes to instruct Capacity Manager to produce a separate report for each metric selected on the Metrics tab. If the option is set to No, all selected metrics will be merged into a single graph or table.
Click the Generate button to display the report onscreen (accepting the default configuration options), or use the Options tab (see Figure 5.3) to customize sampling boundaries, report type and report destination. Please note that the times displayed on the Options tab are the time zone in which the PEM client resides.
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Use the fields within the Time Period box to define the boundaries of the Capacity Manager report:
Use the Period drop-down listbox to select the type of time period you wish to use for the report. You can select:
Use the date and time selectors next to the Start time field to specify the starting date and time of the sampling period, or select the number of Historical day(s) of data to include in the report. The date and time specified in the Start time field must not be later than the current date/time.
The end boundary for the report can be a time, a number of days in the future, or the point at which a selected metric reaches a user-specified threshold value. Use the date and time selectors next to the End time field to specify an end boundary for the report, or select the number of Extrapolated day(s) of data to include in the report. The time specified in the End time field must be later than the time specified in the Start time field.
To specify a threshold value, use the drop-down listbox in the Threshold field to select a metric, an operator (Exceeds* or Falls below), and enter a target value for the metric. If you choose to define the end of the report using a threshold, the Capacity Manager report will terminate when the value for the selected metric exceeds or falls below the specified value.
The cm_max_end_date_in_years configuration parameter defines a default time value for the end boundary of a Capacity Manager report. If you specify a threshold value as the end boundary of a report, and the anticipated usage of the boundary is not met before the maximum time has passed, the report will terminate at the time specified by the cm_max_date_in_years parameter. By default, cm_max_end_date_in_years is 5; you can use the Server Configuration dialog to modify the value of cm_max_end_date_in_years.
The fields in the Report box specify the report type and destination. Use the Include on report radio buttons to specify the type of report produced by Capacity Manager:
Select Graph to instruct Capacity Manager to display the report in the form of a line graph in the PEM client window.
Select Table of data to instruct Capacity Manager to display a table containing the report data in the PEM client window.
Select Graph and table of data to instruct Capacity Manager to display both a line graph and a data table in the PEM client window.
Use the Report destination radio buttons to instruct Capacity Manager where to display or save the report:
Select New tab to instruct Capacity Manager to display the report on a new tab in the PEM client. You must select New tab to display the first generation of a Capacity Manager report; for subsequent reports, you may select Previous tab.
Select Previous tab to instruct Capacity Manager to re-use a previously opened tab when displaying the report.
Select Download the report as a file and specify a file name to instruct Capacity Manager to write the report to the specified file.
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5 Capacity Manager

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