Brocade Network Advisor SAN User Manual v12.0.0 (53-1002696-01, April 2013)

Brocade Network Advisor SAN User Manual 927

53-1002696-01

Bottleneck detection

5. Click the right arrow.

The bottleneck parameters are applied to the selected items.

6. Click OK or Apply to save your changes.

Displaying bottleneck statistics

You can display a graph of bottleneck statistics for up to 32 ports at one time.

You can display a graph showing the history of bottleneck conditions, for up to the last 150

minutes.

1. Select Monitor > Performance > Bottleneck Graph.

The Bottleneck Graph Port Selector dialog box displays with bottlenecked ports shown in the

Available list.

2. (Optional) Select All Ports from the Show list to display all ports in the Available list.

3. Select one or more ports for which you want to display bottleneck statistics and click the right

arrow to move them to the Selected list.

You can select up to 32 ports.

You can select a por t on the Available list or Selected list to find and highlight the port on the

alternate list.

4. Click OK.

The Bottleneck Graph dialog box displays, showing bottleneck statistics for the selected ports.

This dialog box has several options for displaying the data:

• Change the display interval and the display range.

The display range cannot exceed the 30 times the display interval. Note that the display

interval is in seconds and the display range is in minutes. So if the display interval is 10

(seconds), the display range cannot be greater than (5 minutes). (10 seconds X 30 = 300

seconds = 5 minutes)

• Click Refresh to update the displayed data with fresh data.

If you change the display interval or display range, you must click Refresh for the changes

to take effect.

• Display realtime and historical performance graphs.

• Select a bottlenecked F_ or FL_Port and click Show Affected Devices to see the hosts and

targets that might be affected by the bottleneck.