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This section provides the purpose, elements, and actions performed on the Administration > Maintenance pages.

Major Upgrade Paths

Use these paths when planning multi-version upgrades:

Purpose

The Controller Upgrade page runs a Readiness Check against a target version before you upgrade the Controller, and lets you start the upgrade once blocking issues are resolved.

Elements

Maintenance: Controller Upgrade
  • Target Version: Dropdown to select the version to check readiness against and upgrade to.
  • Settings: Opens the Readiness Check Scheduler dialog to enable recurring automatic Readiness Checks.
  • Run Readiness Check / Re-Run Readiness Check: Button to start a Readiness Check for the selected target version.
  • More Options: Menu with Force Upgrade Controller, to start the upgrade despite blocking Readiness Check results.
  • Last Run: Timestamp of the most recent Readiness Check.
  • Failed (Blocker), Failed (Non-Blocker), Could Not Run, Passed: Result counts for the most recent Readiness Check.
  • Issue list: For each failed or skipped check, shows severity, a description, and a Support link.

Actions

To run a Readiness Check:
  1. Go to Administration > Maintenance > Controller Upgrade.
  2. Select the Target Version.
  3. Click Run Readiness Check (or Re-Run Readiness Check).
Readiness Checks run in the background. The result counts and issue list appear when the check completes.
To enable a recurring Readiness Check schedule:
  1. Go to Administration > Maintenance > Controller Upgrade.
  2. Click Settings.
  3. In the Readiness Check Scheduler dialog, select the Check Frequency and click Enable Auto Readiness Checks.

Parameter Details