Upgrade

• Automatically Upgrading Longhorn Engine Test
• Kubernetes upgrade test
• Longhorn Upgrade test
• Re-deploy CSI components when their images change
• Test Backing Image during Longhorn upgrade
• Test Engine Crash During Live Upgrade
• Test Node Drain Policy Setting
• Test system upgrade with a new storage class being default
• Test System Upgrade with New Instance Manager
• Upgrade Conflict Handling test