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removing known issues per SME review
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@@ -123,13 +123,7 @@ $ oc get nodes --kubeconfig
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$ oc get agents -A
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----
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* When you create a hosted cluster in an environment that uses the dual-stack network, you might encounter the following DNS-related issues:
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** `CrashLoopBackOff` state in the `service-ca-operator` pod: When the pod tries to reach the Kubernetes API server through the hosted control plane, the pod cannot reach the server because the data plane proxy in the `kube-system` namespace cannot resolve the request. This issue occurs because in the HAProxy setup, the front end uses an IP address and the back end uses a DNS name that the pod cannot resolve.
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** Pods stuck in the `ContainerCreating` state: This issue occurs because the `openshift-service-ca-operator` resource cannot generate the `metrics-tls` secret that the DNS pods need for DNS resolution. As a result, the pods cannot resolve the Kubernetes API server.
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To resolve these issues, configure the DNS server settings for a dual stack network.
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* On the Agent platform, the {hcp} feature periodically rotates the token that the Agent uses to pull ignition. As a result, if you have an Agent resource that was created some time ago, it might fail to pull ignition. As a workaround, in the Agent specification, delete the secret of the `IgnitionEndpointTokenReference` property then add or modify any label on the Agent resource. The system re-creates the secret with the new token.
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* When you create a hosted cluster in an environment that uses the dual-stack network, you might encoutner pods stuck in the `ContainerCreating` state. This issue occurs because the `openshift-service-ca-operator` resource cannot generate the `metrics-tls` secret that the DNS pods need for DNS resolution. As a result, the pods cannot resolve the Kubernetes API server. To resolve this issue, configure the DNS server settings for a dual stack network.
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* If you created a hosted cluster in the same namespace as its managed cluster, detaching the managed hosted cluster deletes everything in the managed cluster namespace including the hosted cluster. The following situations can create a hosted cluster in the same namespace as its managed cluster:
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