VM Guest Health feature has a parent-child hierarchical model. It monitors the health state change of CPU, disks, and memory for a virtual machine and notifies you about the changes. The three states: Healthy, Warning, and Critical are defined based on the thresholds set by you for each child monitor. Each monitor measures the health of a particular component. The overall health of the virtual machine is determined by the health of its individual monitors and it matches the state of the child monitor with the worst health state.
Several key capabilities have been released in the preview:
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A simple experience to monitor the overall health of your virtual machine
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Out-of-the-box metrics to track the health of your virtual machine
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Out-of-the-box alerts to notify if the virtual machine is unhealthy
This feature can be accessed from the ‘Guest VM Health’ column from the ‘Get Started’ page of Azure Monitor for Virtual Machines and from the Azure Monitor for Virtual Machines section - ‘Health’ tab.
Read the documentation.
Learn more.