6.3

The dynamic symptom, which identies when the usage is above the tracked trend, is added to the
symptom list.
4 In the Alert Denition Workspace window, drag VM CPU Usage above trend from the symptom
denition list to the symptom workspace on the right.
The Child-Virtual Machine symptom set is added to the symptom workspace.
5 In the symptoms set, congure the triggering condition so that when the symptom is true on half of the
virtual machines in the group to which this alert denition is applied, the symptom set is true.
a From the value operator drop-down menu, select >.
b In the value text box, enter 50.
c From the value type drop-down menu, select Percent.
You dened the rst symptom set for the alert denition.
What to do next
Add the host memory usage symptom to the alert denition. See “Add a Host Memory Usage Symptom to
the Alert Denition,” on page 52.
Add a Host Memory Usage Symptom to the Alert Definition
To generate alerts related to CPU usage on your accounting virtual machines, you add a second symptom to
your vRealize Operations Manager alert denition after you add the rst symptom. The second symptom is
related to host memory usage for the hosts on which the accounting virtual machines operate.
Prerequisites
Add the virtual machine CPU usage symptom. See “Add a Virtual Machine CPU Usage Symptom to the
Alert Denition,” on page 51.
Procedure
1 In the Alert Denition Workspace window, after you congure the Name and Description, Base Object
Type, and Alert Impact, click Add Symptom .
2 Congure the symptom related to host systems for the virtual machines.
a From the  On drop-down menu, select Self.
b From the Symptom  Type drop-down menu, select Metric / Supermetric.
c Click the Add buon to congure the new symptom.
3 Congure the host system symptom in the Add Symptom Denition workspace window.
a From the Base Object Type drop-down menu, expand vCenter Adapters and select Host System.
b In the metrics list, expand Memory and drag Usage (%) to the workspace on the right.
c From the threshold drop-down menu, select Dynamic Threshold.
Dynamic thresholds use vRealize Operations Manager analytics to identify the trend metric values
for objects.
d In the Symptom  Name text box, enter a name similar to
Host memory usage above trend.
e From the criticality drop-down menu, select Warning.
f From the threshold drop-down menu, select Above Threshold.
vRealize Operations Manager Customization and Administration Guide
52 VMware, Inc.