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You can check the status of an {product-title} cluster after an installation or validate boot artifacts before an installation by following the procedures in this document.
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[role="_abstract"]
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You can check the status of an {product-title} cluster after an installation or validate boot artifacts before an installation.
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After you complete the procedures, you can move onto postinstallation cluster tasks. If you experience installation issues, see "Troubleshooting installations" in the _Additional resources_" section.
* See xref:../../support/troubleshooting/troubleshooting-installations.adoc#querying-operator-status-after-installation_troubleshooting-installations[Querying Operator status after installation] for more information about querying Operator status if your installation is still progressing.
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* xref:../../support/troubleshooting/troubleshooting-installations.adoc#querying-operator-status-after-installation_troubleshooting-installations[Querying Operator status after installation]
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* See xref:../../support/troubleshooting/troubleshooting-operator-issues.adoc#troubleshooting-operator-issues[Troubleshooting Operator issues] for information about investigating issues with Operators.
* See xref:../../updating/updating_a_cluster/updating-cluster-web-console.adoc#updating-cluster-web-console[Updating a cluster using the web console] for more information on updating your cluster.
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* xref:../../updating/updating_a_cluster/updating-cluster-web-console.adoc#updating-cluster-web-console[Updating a cluster using the web console]
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* See xref:../../updating/understanding_updates/understanding-update-channels-release.adoc#understanding-update-channels-releases[Understanding update channels and releases] for an overview about update release channels.
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* xref:../../updating/understanding_updates/understanding-update-channels-release.adoc#understanding-update-channels-releases[Understanding update channels and releases]
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// Verification steps for the Cloud Credential Operator utility (`ccoctl`)
* See xref:../../support/troubleshooting/verifying-node-health.adoc#verifying-node-health[Verifying node health] for more details about reviewing node health and investigating node issues.
* See xref:../../support/remote_health_monitoring/using-insights-to-identify-issues-with-your-cluster.adoc#using-insights-to-identify-issues-with-your-cluster[Using {red-hat-lightspeed} to identify issues with your cluster] for more information about reviewing potential issues with your cluster.
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* xref:../../support/remote_health_monitoring/using-insights-to-identify-issues-with-your-cluster.adoc#using-insights-to-identify-issues-with-your-cluster[Using {red-hat-lightspeed} to identify issues with your cluster]
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//Checking cluster resource availability and utilization
* See link:https://docs.redhat.com/en/documentation/monitoring_stack_for_red_hat_openshift/latest/html/about_monitoring/about-ocp-monitoring[About {product-title} monitoring] for more information about the {product-title} monitoring stack.
* See link:https://docs.redhat.com/en/documentation/monitoring_stack_for_red_hat_openshift/latest/html/managing_alerts/managing-alerts-as-an-administrator[Managing alerts as an Administrator] for further details about alerting in {product-title}.
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[id="validating-an-installation-next-steps"]
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== Next steps
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* See xref:../../support/troubleshooting/troubleshooting-installations.adoc#troubleshooting-installations[Troubleshooting installations] if you experience issues when installing your cluster.
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* After installing {product-title}, you can xref:../../post_installation_configuration/cluster-tasks.adoc#post-install-cluster-tasks[further expand and customize your cluster].
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* link:https://docs.redhat.com/en/documentation/monitoring_stack_for_red_hat_openshift/latest/html/managing_alerts/managing-alerts-as-an-administrator[Managing alerts as an Administrator]
Copy file name to clipboardExpand all lines: modules/cco-ccoctl-install-verifying.adoc
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[id="cco-ccoctl-install-verifying_{context}"]
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= Verifying that a cluster uses short-term credentials
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[role="_abstract"]
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You can verify that a cluster uses short-term security credentials for individual components by checking the Cloud Credential Operator (CCO) configuration and other values in the cluster.
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.Prerequisites
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-o jsonpath='{.data}'
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----
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An output that contains the `azure_client_id` and `azure_federated_token_file`felids confirms that the components are assuming the {azure-short} client ID.
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An output that contains the `azure_client_id` and `azure_federated_token_file`fields confirms that the components are assuming the {azure-short} client ID.
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* {azure-short} clusters: Verify that the pod identity webhook is running by running the following command:
image::monitoring-dashboard-compute-resources.png[Screenshot of the {product-title} monitoring dashboard showing compute resources including CPU usage, memory consumption, and pod metrics with time-series graphs]
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.Prerequisites
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* You have access to the cluster as a user with the `cluster-admin` role.
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.Procedure
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. As a cluster administrator in the {product-title} web console, navigate to *Observe*->*Dashboards*.
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. In the {product-title} web console, navigate to *Observe*->*Dashboards*.
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. Choose a dashboard in the *Dashboard* list. Some dashboards, such as the *etcd* dashboard, produce additional sub-menus when selected.
= Getting cluster version, status, and update details
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[role="_abstract"]
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You can view the cluster version and status by running the `oc get clusterversion` command. If the status shows that the installation is still progressing, you can review the status of the Operators for more information.
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You can also list the current update channel and review the available cluster updates.
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.Prerequisites
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* You have access to the cluster as a user with the `cluster-admin` role.
Copy file name to clipboardExpand all lines: modules/listing-alerts-that-are-firing.adoc
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[id="listing-alerts-that-are-firing_{context}"]
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= Listing alerts that are firing
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Alerts provide notifications when a set of defined conditions are true in an {product-title} cluster. You can review the alerts that are firing in your cluster by using the Alerting UI in the {product-title} web console.
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[role="_abstract"]
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Alerts provide notifications when a set of defined conditions are true in an {product-title} cluster. The Alerting UI in the {product-title} web console displays alerts that are firing and provides detailed information about each alert.
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.Prerequisites
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* You have access to the {product-title} web console.
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* You have access to the cluster as a user with the `cluster-admin` role.
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.Procedure
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. In the *Administrator* perspective, navigate to the *Observe*->*Alerting*->*Alerts* page.
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. Review the alerts that are firing, including their *Severity*, *State*, and *Source*.
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. Review the alerts that are firing, including their *Severity*, *State*, and *Source*. Use this information to identify which alerts require immediate attention.
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. Select an alert to view more detailed information in the *Alert Details* page.
= Querying the status of the cluster nodes by using the CLI
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[role="_abstract"]
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You can verify the status of the cluster nodes after an installation.
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.Prerequisites
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* You have access to the cluster as a user with the `cluster-admin` role.
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* You have installed the OpenShift CLI (`oc`).
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* You have installed the {oc-first}.
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.Procedure
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. List the status of the cluster nodes. Verify that the output lists all of the expected control plane and compute nodes and that each node has a `Ready` status:
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. List the status of the cluster nodes by entering the following command:
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[source,terminal]
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----
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$ oc get nodes
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----
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. Verify that the output lists all of the expected control plane and compute nodes and that each node has a `Ready` status:
= Reviewing the cluster status from {cluster-manager-first}
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[role="_abstract"]
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From the {product-title} web console, you can review detailed information about the status of your cluster on {cluster-manager}.
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.Prerequisites
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* You are logged in to {cluster-manager-url}.
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* You have logged in to {cluster-manager-url}.
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* You have access to the cluster as a user with the `cluster-admin` role.
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.Procedure
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. Go to the *Cluster List* list in {cluster-manager-url} and locate your {product-title} cluster.
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. Go to the *Cluster List* in {cluster-manager-url} and locate your {product-title} cluster.
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. Click the *Overview* tab for your cluster.
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. Review the following information about your cluster:
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* vCPU and memory availability and resource usage
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To view the history for your cluster, click the *Cluster history* tab.
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====
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. Navigate to the *Monitoring* page to review the following information:
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. Go to the *Monitoring* page to review the following information:
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* A list of any issues that have been detected
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* A list of alerts that are firing
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* The cluster's resource usage
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. Optional: You can view information about your cluster that {red-hat-lightspeed} collects by navigating to the *Overview* menu. From this menu you can view the following information:
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. Optional: Go to the *Overview* menu to view information that {red-hat-lightspeed} collects about your cluster:
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* Potential issues that your cluster might be exposed to, categorized by risk level
Copy file name to clipboardExpand all lines: modules/reviewing-the-installation-log.adoc
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[id="reviewing-the-installation-log_{context}"]
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= Reviewing the installation log
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You can review a summary of an installation in the {product-title} installation log. If an installation succeeds, the information required to access the cluster is included in the log.
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[role="_abstract"]
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The {product-title} installation log contains a summary of the installation, including the information required to access the cluster after installation.
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.Prerequisites
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$ cat <install_dir>/.openshift_install.log
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----
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.Example output
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Cluster credentials are included at the end of the log if the installation is successful, as outlined in the following example:
Copy file name to clipboardExpand all lines: modules/rhcos-validate-live-media.adoc
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:_mod-docs-content-type: PROCEDURE
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[id="rhcos-validate-live-media_{context}"]
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= Validating {op-system} live media
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The {product-title} installation program contains pinned versions of {op-system} bootimages. Fully automated installations use these pinned artifacts by default. The mirror registry where you downloaded the installation program contains a `sha256sum` encrypted with the Red{nbsp}Hat product key.
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[role="_abstract"]
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For user-provisioned infrastructure installations, you can access information and use the {product-title} installer to indirectly validate {op-system} bootimage artifacts using their SHA-256 checksums.
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The {product-title} installation program contains pinned versions of {op-system} bootimages. Fully automated installations use these pinned artifacts by default. The mirror registry where you downloaded the installation program contains a `sha256sum` encrypted with the Red{nbsp}Hat product key.
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.Procedure
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* Run the following command to print the metadata for any bootimage artifact:
<1> The query for the bootimage you want to obtain information on. For validation purposes, the bootimage artifact must have a generated `sha256sum`. This can include OVA, VHD, QCOW2 and others. For example, to get information on an `x86_64` architecture `iso` file for bare metal platforms, this value would be `.architectures.x86_64.artifacts.metal.formats.iso`.
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where:
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`<bootimage>`: Specifies the query for the bootimage you want to obtain information on. For validation purposes, the bootimage artifact must have a generated `sha256sum`. This can include OVA, VHD, QCOW2, and others. For example, to get information on an `x86_64` architecture `iso` file for bare metal platforms, use `.architectures.x86_64.artifacts.metal.formats.iso`.
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