
For details on the Real Time option and the From option, see “Viewing Port Workload Statist-
ics” on page 47.
6. In the tree, select the Target folder, or the Initiator/External folder.
The list on the right displays I/O rates for the ports on the storage system. If you click the Target
folder the tree displays a list of ports on the storage system. If you click a port icon (for example,
and ), the host groups ( ) corresponding to that port appear.
Tips:
•
If you select a port (for example, and ) in the tree, the list displays I/O rates for all the
host bus adapters connected to the selected port.
•
If you select a host group ( ) in the tree, the list displays I/O rates for host bus adapters in
the host group.
7. To display a graph to find out how the I/O rate has been changed, take the following steps;
a. In the list, select one or more ports or host bus adapters (WWNs).
b. Click Draw.
CAUTION:
If the graph does not display changes in the I/O rate (for example, if the line in the graph
runs vertically), it is recommended that you change the value in the Chart Y Axis Rate list.
For example, if the largest value in the list is 200 and the value in Chart Y Axis Rate is 100,
you should select a value larger than 200 from Chart Y Axis Rate.
XP24000/XP20000 Performance Monitor User Guide 83
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