1.9. 对带有已存在错误的集群的故障排除

如果您无法将 OpenShift Container Platform 集群导入到 Red Hat Advanced Cluster Management MultiClusterHub 并收到 AlreadyExists 错误，请按照以下步骤排除此问题。

1.9.1. 症状：导入 OpenShift Container Platform 集群时的 Already exists 错误日志

将 OpenShift Container Platform 集群导入到 Red Hat Advanced Cluster Management MultiClusterHub 时会显示错误日志： 

error log:
Warning: apiextensions.k8s.io/v1beta1 CustomResourceDefinition is deprecated in v1.16+, unavailable in v1.22+; use apiextensions.k8s.io/v1 CustomResourceDefinition
Error from server (AlreadyExists): error when creating "STDIN": customresourcedefinitions.apiextensions.k8s.io "klusterlets.operator.open-cluster-management.io" already exists
The cluster cannot be imported because its Klusterlet CRD already exists.
Either the cluster was already imported, or it was not detached completely during a previous detach process.
Detach the existing cluster before trying the import again."