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16 lines
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16 lines
1.2 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * disconnected/mirroring/index.adoc
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:_mod-docs-content-type: CONCEPT
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[id="installing-mirroring-disconnected-con_{context}"]
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= Mirror registries for installing clusters in disconnected environments
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You must mirror required container images into a disconnected environment before you can install and provision a cluster there. To mirror those container images, you must have a mirror registry. Consider the following options for creating and using a mirror registry:
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* If you already have a container image registry, such as {quay}, you can use it as your mirror registry. If you do not already have a registry, you must create one.
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* After you establish your registry, you need mirroring tools. To mirror your {product-title} image repository to the mirror registry in your disconnected environment, you can use the oc-mirror {oc-first} plugin. The oc-mirror plugin is a single tool that mirrors all required {product-title} content and other images to your mirror registry. The oc-mirror plugin is the preferred method for mirroring.
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* Alternately, you can use the `oc adm` command to mirror just release and catalog images for {product-title}.
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