Creating symptoms and recommendations

Let's look at what is involved in creating an alert. We will work backwards as we need to add symptoms and recommendations to an alert, so it makes sense to create them first before putting everything together.

Let's take a quick look at the symptoms. There are five different types of symptoms, these are as follows:

• Metric/Supermetric symptom: These are metric-based symptoms, for example, when the virtual machine CPU usage is greater than 75 percent
• Property symptom: These are configuration settings, for example, when the DRS is not fully automated.
• Message event symptom: These are event-based symptoms, for example, notifying that the vCenter license will expire soon. This type is based on regular expressions for text in event messages.
• Fault symptoms: These symptoms are based on faults, for example, vCenter "Lost Network Redundancy" fault in vCenter.
• Metric event symptom: This symptom type straight out-of-the-box is really only targeted...