Upgrade ZStack Cloud from 4.4.x to 4.8.x

Scenario

• Product: ZCF
• Component: ZStack Cloud
• Versions: 4.4.x, 4.8.x
• Storage: Local storage
• Operating system: C76
• Deployment: Dual management nodes
• Trigger: The current release is not an LTS release and must be upgraded to 4.8.x.

Symptoms

• The platform release is old and no longer meets some feature and maintenance requirements.
• ZStack Cloud, QEMU, and libvirt components must be upgraded together.
• The upgrade includes grayscale management, host reconnection, and compatibility evaluation.

Assessment

1. Run the pre-upgrade check script before the change.