Administrator Guide
11 Select the check box for each Storage Center that you want to monitor with the threshold denition, then click Finish. The Create
Threshold Denition dialog box closes.
Create a Threshold Denition to Monitor Latency for a Volume
When latency for a volume 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 volume latency.
a From the Type drop-down menu, select IO Usage.
b From the Alert Object Type drop-down menu, select Volume.
c From the Alert Denition drop-down menu, select Latency.
6 (Optional) Select the All Objects check box to apply the threshold denition to all volumes.
7 Congure the volume latency value that must be exceeded to trigger a threshold alert with a volume movement recommendation.
a In the Error Setting eld, type the volume latency 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.
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 denition to all volumes on a Storage Center, select All Volumes on Storage Center, then click Finish.
The threshold denition is added and the Create Threshold Denition dialog box closes.
• To apply the threshold denition 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 denition 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 denition, then click Finish.
The threshold denition is added and the Create Threshold Denition dialog box closes.
Create a Threshold Denition 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 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 controller CPU usage.
a From the Type drop-down menu, select IO Usage.
b From the Alert Object Type drop-down menu, select Controller.
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Storage Center Threshold Alerts