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Performance Monitor Operations 5-23
Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide
5. If you want to display a graph illustrating changes in the write pending rate
or in usage statistics about the cache memory, select the row of the write
pending rate in the list and then click Draw.
The range of monitoring and the gathering interval affects the time period
represented by a graduation on the horizontal axis.
6. When you select shortrange for the storing period of statistics, you can
select the item to be illustrated in the graph from the list at the upper right
on the graph.
Select Write Pending to view the write pending rate graph and select
Usage to view that of the usage statistics for cache memory. The graph
will be updated without clicking Draw. You can also select the item to be
displayed before clicking Draw.
Examples of write pending rate displayed in the lists are shown below:
When selecting longrange for storing period of statistics:
When selecting shortrange for storing period of statistics: