NEC Storage Performance Monitor/Optimizer User Manual page 39

Indicates that iSM has not completed in obtaining statistic information required for displaying client.
(Note 1)
A performance monitor server using older version software may not support some of the displaying functions. In
such a case, a hyphen "-" is displayed for an applicable item. For displaying such items, software of the latest
version is required.
Figure 3-2 shows an example of display when logical disks are selected as the component type. In this display, you
can monitor the latest values of load status and use status of each logical disk.
Figure 3-2 Numeric Table Screen (When [Logical Disk] is selected)
Left-clicking on a tab label of calculation unit (such as disk array and port) switches the numeric table into a table
indicting applicable calculation unit. The numeric table displays the following information, in accordance with the
calculation unit selected by the procedure.
(i) When the [Disk Array] tab is selected
The Numeric Table indicating load statuses by disk array is displayed. The rows are all the disk arrays which
are currently being monitored by the iSM. The columns indicate:
External I/O Density
External Transfer Rate
External Average Transfer Length
External Average Response Time.
Read Hit Ratio
Write Hit Ratio
However, the string "External" is omitted in the labels.
In this display, the list does not change when you change the disk array to be monitored by using the combo box.
(ii) When the [Port] tab is selected
The Numeric Table indicating load statuses by port of the disk array specified in the combo box is displayed.
The rows are all the ports which belong to the disk array specified in the combo box. The columns indicate:
External I/O Density
Chapter 3 Operations of Performance Monitoring Function
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