Dell Storage Manager 2020 R1 Administrator's Guide

Create a Threshold Definition 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, Dell Storage Manager triggers a threshold alert with a volume movement recommendation.

1. Click the Threshold Alerts view.
2. Click the Definitions tab.
3. Click Create Threshold Definition. The Create Threshold Definition dialog box appears.
4. In the Name field, type a name for the threshold definition.
5. Configure the threshold definition to monitor Storage Center controller CPU usage.
   1. From the Type drop-down menu, select IO Usage.
   2. From the Alert Object Type drop-down menu, select Controller.
   3. From the Alert Definition drop-down menu, select CPU Usage.
6. (Optional) Select the All Objects check box to apply the threshold definition to all Storage Center controllers.
7. Configure the Storage Center controller CPU usage percentage that must be exceeded to trigger an error threshold alert with a volume movement recommendation.
   1. In the Error Setting field, type the CPU usage percentage that must be exceeded.
   2. Next to the Error Setting field, in the Iterations before email field, type the number of times the threshold must be exceeded to trigger the alert.
8. Select the Recommend Storage Center check box.
9. Configure the other options as needed. These options are described in the online help.
10. When you are finished, click OK.
    • If you selected the All Objects check box, the threshold definition is created and the Create Threshold Definition 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.
    1. In the table, select the Storage Center to which the controllers belong.
    2. Below the table, choose a method to select controllers:
       • To apply the threshold definition to all controllers in a Storage Center, select All Controllers on Storage Center, then click Finish. The threshold definition is added and the Create Threshold Definition dialog box closes.
       • To apply the threshold definition 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.
    3. Select the check box for each Storage Center controller that you want to monitor with the threshold definition, then click Finish. The threshold definition is added and the Create Threshold Definition dialog box closes.