This chapter demonstrates how cluster operators can upgrade KubeSphere to v3.0.0.
Understand what you need to pay attention to before the upgrade, such as versions and upgrade tools.
Use KubeKey to upgrade Kubernetes and KubeSphere.
Use ks-installer to upgrade KubeSphere.
Use the offline package to upgrade Kubernetes and KubeSphere.
Use ks-installer and offline package to upgrade KubeSphere.
Understand what will be changed after the upgrade.
Understand KubeSphere DevOps data migration and its risks during upgrade.