Configure health rule in AppDynamics for multiple servers reboot or down

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How to configure health rule in AppDynamics to alert when ever multiple servers reboot or when multiple servers are down?

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How to create a Health Rule using Machine Agent metrics to report when multiple servers are down (at the same time) where the servers are Nodes within the same Tier:

  • Click 'Alert & Respond' (at top of UI)
  • Select the relevant Application from the drop down menu
  • Click 'Health Rules'
  • Click '+'
  • In 'Overview' Tab
    • Enter a 'Name' value / set time window options
  • In 'Affected Entities' Tab
    • Click 'Tier / Node Health - Hardware, JVM, disk I/O, etc)'
    • Ensure 'Tiers' is selected in the Radio underneath
    • Select "These specific Tiers" in drop-down
    • Select the relevant Tier and move to 'Selected' (to the left)
  • In the 'Critical Criteria' Tab
    • Click "+ Add Condition"
    • Click "Select a Metric"
    • Navigate to and select "Agent|Machine|Availability"
    • Change the conditions to be is "< Specific Value" with value "1"
    • Then under "Health Rule will violate if the conditions above evaluate to true for:" click the third option and enter value "100" so this reads "100% of the Nodes"
  • Save

The above can be tweaked to your needs in terms of evaluation window / violation wait etc, you will need a Policy and an Action for the the Health Rule to send email or do any other kind of work based on the event created when the Health Rule violates.

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