NEC Storage Performance Monitor/Optimizer User Manual page 40

Chapter 3 Operations of Performance Monitoring Function
External Transfer Rate
External Average Transfer Length
External Average Response Time
However, the string "External" is omitted in the labels.
When you change the disk array to be monitored by using the combo box, the display switches to the list of load
status by port of the selected disk array.
(iii) When the [Logical Disk] tab is selected
The Numeric Table indicating load state of by logical disk of the disk array specified in the combo box is
displayed. The rows are the logical disks registered as monitoring objects among the logical disks created in the
disk array specified in the combo box. 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.
When you change the disk array to be monitored by using the combo box, the display switches to the list of load
status by logical disk of the selected disk array.
(iv) When the [Physical Disk] tab is selected
The Numeric Table indicating load statuses by physical disk of the disk array specified in the combo box is
displayed. The rows are the physical disks registered as monitoring objects among the physical disks created in
the disk array specified in the combo box. The columns indicate:
Internal I/O Density
Internal Transfer Rate
Internal Average Transfer Length
Internal Average Response Time
Busy Ratio
However, the string "Internal" is omitted in the labels.
When you change the disk array to be monitored by using the combo box, the display switches to the list of load
status by logical disk of the selected disk array.
If an overload occurs during overload monitoring, asterisks (**) appear on the left of the applicable item. Cells
of the items displayed in graphs are displayed in gray.
(3) Sorting the load status list
By clicking a label indicating a type of the monitored item ([Number], [I/O Density], etc.) in the list of load status,
you can sort the lines of the list in an ascending or descending order by using the current value of the monitored
item you click as a key. Repeatedly clicking the label will switch between ascending and descending orders.
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