Pre-Upgrade Steps

Before initiating the upgrade, complete the following pre-upgrade checks and configurations to ensure that all services are healthy and to prevent unintended service restarts during the upgrade.

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Run Service Checks

• In the Ambari UI, go to Actions → Service Check.
• Run the service check for all installed services.
• Verify that:
  • All service checks complete successfully.
  • The status of each service is SUCCESS.

Expected Result: All installed services must pass the service check and display a SUCCESS status, as shown in the example below.

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Disable Service Auto-Start

Disable Service Auto-Start in Ambari to prevent services from restarting automatically during the upgrade process.

• Navigate to Ambari UI → Actions → Service Check.
  • Run service checks for all installed services
  • Ensure:
    • All checks completed successfully
    • Status shows SUCCESS

For example, the success status must be shown as follows.