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OSDOCS-11841: migrating disconnected conversion doc
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_topic_maps/_topic_map.yml

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@@ -111,6 +111,8 @@ Name: Disconnected environments
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Dir: disconnected
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Distros: openshift-enterprise,openshift-origin
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Topics:
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- Name: Converting a connected cluster to a disconnected cluster
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File: connected-to-disconnected
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- Name: Updating a cluster in a disconnected environment
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Dir: updating
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Topics:
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- Name: Configuring alert notifications
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File: configuring-alert-notifications
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- Name: Converting a connected cluster to a disconnected cluster
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File: connected-to-disconnected
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File: converting-to-disconnected
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- Name: Enabling cluster capabilities
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File: enabling-cluster-capabilities
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Distros: openshift-origin,openshift-enterprise

post_installation_configuration/connected-to-disconnected.adoc renamed to disconnected/connected-to-disconnected.adoc

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toc::[]
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There might be some scenarios where you need to convert your {product-title} cluster from a connected cluster to a disconnected cluster.
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A disconnected cluster, also known as a restricted cluster, does not have an active connection to the internet. As such, you must mirror the contents of your registries and installation media. You can create this mirror registry on a host that can access both the internet and your closed network, or copy images to a device that you can move across network boundaries.
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include::modules/installation-about-mirror-registry.adoc[leveloffset=+1]
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[id="prerequisites_connected-to-disconnected"]
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[id="prerequisites_connected-to-disconnected_{context}"]
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== Prerequisites
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* The `oc` client is installed.
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* An installed mirror registry, which is a container image registry that supports link:https://docs.docker.com/registry/spec/manifest-v2-2/[Docker v2-2] in the location that will host the {product-title} cluster, such as one of the following registries:
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** link:https://www.redhat.com/en/technologies/cloud-computing/quay[Red Hat Quay]
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** link:https://www.redhat.com/en/technologies/cloud-computing/quay[Red{nbsp}Hat Quay]
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** link:https://jfrog.com/artifactory/[JFrog Artifactory]
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** link:https://goharbor.io/[Harbor]
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If you have an subscription to Red Hat Quay, see the documentation on deploying Red Hat Quay link:https://access.redhat.com/documentation/en-us/red_hat_quay/3/html/deploy_red_hat_quay_for_proof-of-concept_non-production_purposes/[for proof-of-concept purposes] or link:https://access.redhat.com/documentation/en-us/red_hat_quay/3/html/deploying_the_red_hat_quay_operator_on_openshift_container_platform/index[by using the Quay Operator].
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If you have a subscription to Red{nbsp}Hat Quay, see the documentation on deploying Red{nbsp}Hat Quay link:https://access.redhat.com/documentation/en-us/red_hat_quay/3/html/deploy_red_hat_quay_for_proof-of-concept_non-production_purposes/[for proof-of-concept purposes] or link:https://access.redhat.com/documentation/en-us/red_hat_quay/3/html/deploying_the_red_hat_quay_operator_on_openshift_container_platform/index[by using the Quay Operator].
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* The mirror repository must be configured to share images. For example, a Red Hat Quay repository requires link:https://access.redhat.com/documentation/en-us/red_hat_quay/3/html-single/use_red_hat_quay/index#user-org-intro_use-quay[Organizations] in order to share images.
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include::modules/connected-to-disconnected-prepare-mirror.adoc[leveloffset=+1]
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include::modules/connected-to-disconnected-mirror-images.adoc[leveloffset=+1]
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.Additional information
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[role="_additional-resources"]
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.Additional resources
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* For more information about mirroring Operator catalogs, see xref:../operators/admin/olm-restricted-networks.adoc#olm-mirror-catalog_olm-restricted-networks[Mirroring an Operator catalog].
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* For more information about the `oc adm catalog mirror` command, see the xref:../cli_reference/openshift_cli/administrator-cli-commands.adoc#oc-adm-catalog-mirror[OpenShift CLI administrator command reference].
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:_mod-docs-content-type: ASSEMBLY
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[id="converting-to-disconnected"]
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= Converting a connected cluster to a disconnected cluster
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include::_attributes/common-attributes.adoc[]
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:context: converting-to-disconnected
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toc::[]
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There might be some scenarios where you need to convert your {product-title} cluster from a connected cluster to a disconnected cluster.
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A disconnected cluster, also known as a restricted cluster, does not have an active connection to the internet. As such, you must mirror the contents of your registries and installation media. You can create this mirror registry on a host that can access both the internet and your closed network, or copy images to a device that you can move across network boundaries.
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For information on how to convert your cluster, see the xref:../disconnected/connected-to-disconnected.adoc#converting-to-disconnected[Converting a connected cluster to a disconnected cluster] procedure in the Disconnected environments section.

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