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Note: If you change the date and time in the From and To boxes and then
click Apply, Performance Monitor recalculates usage rates and updates
information in the list. To change the date and time in From and To boxes,
use the arrow buttons and the sliders (for details, see Performance
Management Window, Physical Tab).
6. If you want to display a graph illustrating changes in usage rate for disk
processors, select the desired disk processors in the list and then click
Draw.
Note: The range of monitoring and the gathering interval affects the time
period represented by a graduation on the horizontal axis.
Figure 5-8
The list displays the following items:
•
: When the green checkmark icon
processor, the graph illustrates changes in usage rate for the disk
processor.
•
ID: This column displays ID numbers for disk processors.
•
Usage:
– The Ave. (Total) column displays the average usage rate in the
specified period.
– The Max. column displays the maximum usage rate in the specified
period.
5-20
Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User's Guide
Example of Disk Processor Usage Rates Displayed
Performance Monitor Operations
is displayed on the left of a disk
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