Administrator Guide

10. When you are nished, click OK.
If you selected the All Objects check box, the threshold denition is created and the Create Threshold Denition dialog box
closes.
If you did not select the All Objects check box, the Add Objects dialog box appears.
11. Choose the volumes that you want to monitor.
a. In the table, select the Storage Center that hosts the volumes.
b. Below the table, choose a method to select volumes:
To apply the threshold denition to all volumes on a Storage Center, select All Volumes on Storage Center, then click
Finish. The threshold denition is added and the Create Threshold Denition dialog box closes.
To apply the threshold denition to all volumes in a volume folder, select All Volumes in Folder/Container, then click
Next. The wizard advances to the next page and displays a table of volume folders.
To apply the threshold denition to individual volumes on a Storage Center, select Select Volumes, then click Next. The
wizard advances to the next page and displays a table of volumes.
c. Select the check box for each volume or volume folder that you want to monitor with the threshold denition, then click
Finish. The threshold denition is added and the Create Threshold Denition dialog box closes.
Create a Threshold Denition to Monitor CPU Usage for a Controller
When the CPU usage percentage for a Storage Center controller 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 Denitions tab.
3. Click Create Threshold Denition. The Create Threshold Denition dialog box appears.
4. In the Name eld, type a name for the threshold denition.
5. Congure the threshold denition to monitor Storage Center controller CPU usage.
a. From the Type drop-down menu, select IO Usage.
b. From the Alert Object Type drop-down menu, select Controller.
c. From the Alert Denition drop-down menu, select CPU Usage.
6. (Optional) Select the All Objects check box to apply the threshold denition to all Storage Center controllers.
7. Congure the Storage Center controller CPU usage percentage that must be exceeded to trigger an error threshold alert with a
volume movement recommendation.
a. In the Error Setting eld, type the CPU usage percentage 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. Congure 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 denition is created and the Create Threshold Denition dialog box
closes.
If you did not select the All Objects check box, the Add Objects dialog box appears.
11. Choose the Storage Center controllers that you want to monitor.
a. In the table, select the Storage Center to which the controllers belong.
b. Below the table, choose a method to select controllers:
To apply the threshold denition to all controllers in a Storage Center, select All Controllers on Storage Center, then
click Finish. The threshold denition is added and the Create Threshold Denition dialog box closes.
To apply the threshold denition to individual controllers in a Storage Center, select Select Controllers, then click Next.
The wizard advances to the next page and displays a table of volumes.
c. Select the check box for each Storage Center controller that you want to monitor with the threshold denition, then click
Finish. The threshold denition is added and the Create Threshold Denition dialog box closes.
Storage Center Threshold Alerts
753