
Port tab of the Performance Control main window
Use this tab to set the limit on the performance of non-prioritized ports and set the threshold on the
performance of prioritized ports.
DescriptionItem
Shows the current control status of the system.Current Control
Status
• Port Control indicates the system is controlled by the upper limits and threshold specified in
the Port tab.
• WWN Control indicates the system is controlled by the upper limits and threshold specified
in the WWN tab.
• No Control indicates the system performance is not controlled by Performance Control.
Tip: If WWN Control is displayed when the Port tab is active, click Apply to switch control so
that Port Control is displayed.
Tip: To return the control status to No Control, specify Prio. for attributes of all the ports and then
click Apply.
Allows you to narrow ports appearing in the list:Control List
• If All is selected, all the ports appear in the list.
• If Prioritize is selected, only the prioritized ports appear in the list.
• If Non-Prioritize is selected, only the non-prioritized ports appear in the list.
If you change settings of a port, that port remains in the list regardless of the selection in the
list.
Allows you to change the type of performance statistics to be displayed in the list.Statistic type list
• If IOPS (I/Os per second) is selected, the list displays I/O rates for ports. The I/O rate
indicates the number of I/Os per second.
• If MB/s (megabytes per second) is selected, the list displays the transfer rates for ports. The
transfer rate indicates the size of data transferred via a port in one second.
188 Performance Control GUI reference
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