4-18 Using the Performance Manager GUI
Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide
The SPM button is deactivated in real-time mode. To start Server Priority
Manager, activate the From and To boxes and release Performance
Monitor from real-time mode.
• If the Current Control label displays Port Control, the system is
controlled by the upper limits and the threshold specified in the Port tab of
the Server Priority Manager window.
– If the Current Control label displays WWN Control, the system is
controlled by the upper limits and the threshold specified in the WWN
tab of the Server Priority Manager window.
– If the Current Control label displays No Control, the system
performance is not controlled by Server Priority Manager.
• The Draw button displays a line graph illustrating changes in the I/O rate
or the transfer rate. The graph can display up to eight lines simultaneously.
• The line graph illustrates changes in the I/O rate or the transfer rate. The
vertical axis indicates the I/O rate or the transfer rate. The horizontal axis
indicates dates and/or times.
When the graph displays I/O rates or the transfer rates for a port
controlled by an upper limit or a threshold, the graph also displays a line
that indicates the upper limit or the threshold.
When you draw a graph, use the Detail check box and the list to illustrate
the desired information, and use the Chart Y Axis Rate list to arrange the
graph convenient to work.
Figure 4-9 Chart Y Axis Rate List, Detail Check Box, and the List to
Select the Item to be Displayed (Port-LUN Tab)
Use the Chart Y Axis Rate list to select the highest value of the Y-axis
(the vertical axis) of the graph.
If you select Detail after drawing a graph by clicking Draw, the graph
displays detailed statistics as explained. The detailed statistics can be
displayed only:
– When you select the Subsystem folder ( ) in the tree and select a
port in the list.
