Administrator Guide
Figure 83. Recommended Storage Center Dialog Box
Creating Threshold Denitions to Recommend Volume
Movement
Create a threshold denition to recommend volume movement based on the rate of Storage Center front-end IO, volume latency, Storage
Center controller CPU usage, or percentage of storage used for a Storage Center.
Create a Threshold Denition to Monitor Front-End IO for a Storage
Center
When Storage Center front-end IO exceeds the value set for the error threshold, Storage Manager triggers a threshold alert with a volume
movement recommendation.
1 Click the Threshold Alerts view.
2 Click the Denitions tab.
3 Click Create Threshold Denition. The Create Threshold Denition dialog box appears.
4 In the Name eld, type a name for the threshold denition.
5 Congure the threshold denition to monitor Storage Center front-end IO.
a From the Type drop-down menu, select IO Usage.
b From the Alert Object Type drop-down menu, select Storage Center.
c From the Alert Denition drop-down menu, select FE IO/Sec.
6 (Optional) Select the All Objects check box to apply the threshold denition to all Storage Centers
7 Congure the IO per second value that must be exceeded to trigger an error threshold alert with a volume movement
recommendation.
a In the Error Setting eld, type the rate of IO per second that must be exceeded.
b Next to the Error Setting eld, in the Iterations before email eld, type the number of times the threshold must be exceeded to
trigger the alert.
8 Select the Recommend Storage Center check box.
9 Congure the other options as needed. These options are described in the online help.
10 When you are nished, click OK.
• If you selected the All Objects check box, the threshold denition is created and the Create Threshold Denition dialog box
closes.
• If you did not select the All Objects check box, the Add Objects dialog box appears.
Storage Center Threshold Alerts
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