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•
Gathering Interval indicates the interval of collecting statistics in short
range monitoring. For example, if the number of the CUs to be monitored
is 64 or less, and 1 min. is displayed and shortrange is selected as the
storing period of statistics, the list and graph in the Physical tab display
the statistics obtained every one minute. In case 65 or more CUs are
monitored, the statistics are displayed every 5, 10 or 15 minutes.
The gathering interval in long range monitoring is fixed to 15 minutes. If
you select longrange as the storing period of statistics, the list and graph
display the statistics obtained every 15 minutes regardless of the value of
Gathering Interval. For details on the storing period of statistics (short
range and long range), see Understanding Statistical Storage Ranges.
•
From the list on the right of Monitoring Data, select a range of statistics
to view in the window: shortrange or longrange.
Figure 4-2
The storing period of statistics is the range of monitoring data (statistics
collected by monitoring) that can be displayed. You can specify a part of
term within the selected range to narrow the statistics to be displayed in
the list and graph on the Performance Management window.
The differences in selecting shortrange and longrange are described in
Long-Range Storage and Short-Range Storage.
•
Monitoring Term lets you narrow the range of usage statistics that should
be displayed in the window.
Starting and ending times for collecting statistics are displayed on both
sides of the slide bar. Performance Monitor stores the monitoring data
between these times, and you can specify the desired term within this
range as the target of display in lists and graphs.
For example, if you want to view usage statistics within the range of 10:30
July 1 2006 to 22:30 July 31 2006, you set
set
To set a date and time in From and To, do either of the following:
– Move the slider to the left or to the right.
– In the text box, select the number that you want to change. Next, click
the upward or downward arrow button.
4-4
Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User's Guide
Storing Period of Statistics (Physical Tab)
to the To box, and then click Apply.
2006/07/31 22:30
Using the Performance Manager GUI
to the From box,
2006/07/01 10:30
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