Administrator Guide

11 Select the check box for each Storage Center that you want to monitor with the threshold denition, then click Finish. The Create
Threshold Denition dialog box closes.
Create a Threshold Denition 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 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 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 Denition drop-down menu, select Latency.
6 (Optional) Select the All Objects check box to apply the threshold denition to all volumes.
7 Congure 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 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 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.
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Storage Center Threshold Alerts