Upgrade ZStack Cloud to 5.4.x and Host Kernels to 4.18.0-553

Applicable Scenario

• Product: ZCF
• Component: ZStack Cloud
• Versions: 4.8.x, 5.4.x, and 4.18.x
• Current versions:
• Cloud 4.8.x
• Libvirt 8.0.x
• Qemu 6.2.x
• Kernel 4.18.0-425...
• Target versions:
• Cloud 5.4.x
• qemu-kvm-6.2.x
• libvirt-8.0.x
• Kernel 4.18.0-553.69.1.13...
• Deployment: dual management nodes and SAN storage

Symptoms

• The current platform and virtualization-component versions are outdated.
• The platform, qemu/libvirt, and host kernel versions need to be upgraded.
• More useful diagnostic logs are also required when a host crashes.

Diagnostic Procedure

1. Before the upgrade, use the upgrade-check script to verify environment health.