NEC Storage Performance Monitor/Optimizer User Manual page 116

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Chapter 6 Operation of Performance Optimization Function (GUI)
Figure 6-18 Confirmation of Overwriting Dialog
Clicking [OK] on the Confirmation of Overwriting dialog overwrites the existing data. Click the [Change Folder]
button allows changing the folders to store data to be downloading destination. For changing the folder to store
data, refer to 6.2.3 "Setting Folder to Store Data".
When downloading is executed, the performance optimization log files stored in the folder to store data of the
iSM client are updated and the data older than one month old is deleted.
Upon attempting execution of download process, if a performance optimization log file storing Busy Ratios does
not exist on the iSM server, the process results in an error without executing downloading. Meanwhile, upon
attempting execution of Replacement Effect Prediction without downloading performance optimization log file,
the process results in an error without Replacement Effect Prediction if no data exists in the folder to store data of
the iSM client.
Clicking [Cancel] on the Downloading dialog during execution of download process or closing the main screen of
performance optimization function interrupt the download process. If a process is interrupted, the performance
optimization log files must be downloaded again.
(4)
Display Replacement Effect Prediction
Clicking [OK] button on the Download Selection dialog displays the Replacement Effect Prediction screen. The
Replacement Effect Prediction screen displays the graphs indicating changes of Busy Ratios for specified source
and destination RANKs.
Figure 6-19 shows an example of the Replacement Effect Prediction screen. Table 6-17 describes the areas on
Replacement Effect Prediction screen.
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