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agent-installer-architectures.adoc

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Verifying the supported architecture for installing an Agent-based Installer cluster

Before installing an {product-title} cluster using the Agent-based Installer, you can verify the supported architecture on which you can install the cluster. This procedure is optional.

Prerequisites:

  • You installed the {oc-first}.

  • You have downloaded the installation program.

Procedure:

  1. Log in to the {oc-first}.

  2. Check your release payload by running the following command:

    $ ./openshift-install version
    Example output
    ./openshift-install 4.16.0
built from commit abc123def456
release image quay.io/openshift-release-dev/ocp-release@sha256:123abc456def789ghi012jkl345mno678pqr901stu234vwx567yz0
release architecture amd64

    If you are using the release image with the multi payload, the release architecture displayed in the output of this command is the default architecture.

  3. To check the architecture of the payload, run the following command:

    $ oc adm release info <release_image> -o jsonpath="{ .metadata.metadata}" (1)

    1. Replace <release_image> with the release image. For example: quay.io/openshift-release-dev/ocp-release@sha256:123abc456def789ghi012jkl345mno678pqr901stu234vwx567yz0.

      Example output when the release image uses the multi payload:
      {"release.openshift.io architecture":"multi"}

      If you are using the release image with the multi payload, you can install the cluster on different architectures such as arm64, amd64, s390x, and ppc64le. Otherwise, you can install the cluster only on the release architecture displayed in the output of the openshift-install version command.