NEC Storage Performance Monitor/Optimizer User Manual page 104

Chapter 6 Operation of Performance Optimization Function (GUI)
procedures.
(1) Displaying Analysis Property dialog ("Sort of Busy Ratio" tab)
Select [Setting] [Analysis Property] menu on the main screen of the performance optimization function. On
the displayed Analysis Property dialog box, select [Sort of Busy Ratio] tab that displays an area for specifying
[Sort of Busy Ratio]. Figure 6-9 shows an example display of Analysis Property dialog ("Sort of Busy Ratio"
tab).
The Busy Ratio range with the yellow signal color has spin buttons. Use these spin buttons to set the three
stages of the Busy Ratio.
As shown in Table 6-9, three signal colors are provided: red, yellow, and blue.
Signal color
Red Caution zone
Yellow Danger zone
Blue Safety zone
Figure 6-9 Analysis Property Dialog ([Sort of Busy Ratio] tab)
Table 6-9 Description of Signal Colors
Meaning
The Busy Ratio has reached the Caution zone. Tuning is necessary. The RANKs
reaching caution zone are applicable to "Replacement Plan".
The default value ranges from 81 to 100%.
The Busy Ratio has not reached the caution zone yet, but attention is required. Carefully
continue the monitoring. The RANKs reaching danger zone are applicable to
"Replacement Plan".
The default value ranges from 51 to 80%.
The Busy Ratio is normal. No tuning is required.
The default value ranges from 0 to 50%.
Description
II-22