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OSDOCS-4502: Changing heterogeneous to multi-architecture
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‎_topic_maps/_topic_map.yml

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File: configuring-private-cluster
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- Name: Bare metal configuration
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File: bare-metal-configuration
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- Name: Configuring a heterogeneous cluster
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File: deploy-heterogeneous-configuration
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- Name: Configuring a multi-architecture cluster
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File: multi-architecture-configuration
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- Name: Machine configuration tasks
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File: machine-configuration-tasks
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- Name: Cluster tasks

‎modules/mixed-arch-creating-arm64-bootimage.adoc renamed to ‎modules/multi-architecture-creating-arm64-bootimage.adoc

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//post_installation_configuration/cluster-tasks.adoc
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:_content-type: PROCEDURE
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[id="mixed-arch-creating-arm64-bootimage_{context}"]
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[id="multi-architecture-creating-arm64-bootimage_{context}"]
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= Creating an `arm64` boot image using the Azure image gallery
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To configure your heterogeneous cluster, you must create an `arm64` boot image and add it to your Azure compute machine set. The following procedure describes how to manually generate an `arm64` boot image.
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To configure your multi-architecture cluster, you must create an `arm64` boot image and add it to your Azure compute machine set. The following procedure describes how to manually generate an `arm64` boot image.
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.Prerequisites
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* You installed the Azure CLI (`az`).
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* You created a single-architecture Azure installer-provisioned cluster with the heterogeneous installer binary.
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* You created a single-architecture Azure installer-provisioned cluster with the multi-architecture installer binary.
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.Procedure
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. Log in to your Azure account:

‎modules/mixed-arch-modify-machine-set.adoc renamed to ‎modules/multi-architecture-modify-machine-set.adoc

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//post_installation_configuration/cluster-tasks.adoc
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:_content-type: PROCEDURE
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[id="mixed-arch-modify-machine-set_{context}"]
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[id="multi-architecture-modify-machine-set_{context}"]
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= Adding a compute machine set to your cluster using the `arm64` boot image
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To add `arm64` worker nodes to your heterogeneous cluster, you must create an Azure compute machine set that uses the `arm64` boot image. To create your own custom compute machine set on Azure, see "Creating a compute machine set on Azure".
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To add `arm64` worker nodes to your multi-architecture cluster, you must create an Azure compute machine set that uses the `arm64` boot image. To create your own custom compute machine set on Azure, see "Creating a compute machine set on Azure".
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.Prerequisites
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‎modules/mixed-arch-upgrade-mirrors.adoc renamed to ‎modules/multi-architecture-upgrade-mirrors.adoc

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//post_installation_configuration/cluster-tasks.adoc
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:_content-type: PROCEDURE
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[id="mixed-arch-upgrade-mirrors_{context}"]
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[id="multi-architecture-upgrade-mirrors_{context}"]
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= Upgrading your heterogeneous cluster
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= Upgrading your multi-architecture cluster
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You must perform an explicit upgrade command to upgrade your existing cluster to a heterogeneous cluster.
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You must perform an explicit upgrade command to upgrade your existing cluster to a multi-architecture cluster.
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.Prerequisites
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.Procedure
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* To manually upgrade your cluster, use the following command:
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[source, terminal]
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----
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$ oc adm upgrade --allow-explicit-upgrade --to-image <image-pullspec> <1>
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----

‎post_installation_configuration/deploy-heterogeneous-configuration.adoc

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:_content-type: ASSEMBLY
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:context: deploy-heterogeneous-configuration
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[id="post-install-deploy-heterogeneous-configuration"]
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= Configuring a heterogeneous cluster
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:context: multi-architecture-configuration
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[id="post-install-multi-architecture-configuration"]
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= Configuring a multi-architecture cluster
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include::_attributes/common-attributes.adoc[]
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toc::[]
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A heterogeneous cluster is a cluster that supports worker machines with different architectures. You can deploy a heterogeneous cluster by creating an Azure installer-provisioned cluster using the heterogeneous installer binary. For Azure installation, see xref:../installing/installing_azure/installing-azure-customizations.adoc[Installing on Azure with customizations].
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A multi-architecture cluster is a cluster that supports worker machines with different architectures. You can deploy a multi-architecture cluster by creating an Azure installer-provisioned cluster using the multi-architecture installer binary. For Azure installation, see xref:../installing/installing_azure/installing-azure-customizations.adoc[Installing on Azure with customizations].
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[WARNING]
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====
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The heterogeneous clusters Technology Preview feature has limited usability with installing, upgrading, and running payloads.
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The multi-architecture clusters Technology Preview feature has limited usability with installing, upgrading, and running payloads.
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====
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The following procedures explain how to generate an `arm64` boot image and create an Azure compute machine set with the `arm64` boot image. This will add `arm64` worker nodes to your heterogeneous cluster and deploy the desired amount of ARM64 virtual machines (VM). This section also shows how to upgrade your existing cluster to a heterogeneous cluster. Heterogeneous clusters are only available on Azure installer-provisioned infrastructures with `x86_64` control planes.
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The following procedures explain how to generate an `arm64` boot image and create an Azure compute machine set with the `arm64` boot image. This will add `arm64` worker nodes to your multi-architecture cluster and deploy the desired amount of ARM64 virtual machines (VM). This section also shows how to upgrade your existing cluster to a multi-architecture cluster. Multi-architecture clusters are only available on Azure installer-provisioned infrastructures with `x86_64` control planes.
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:FeatureName: Heterogeneous clusters for {product-title} on Azure installer-provisioned infrastructure installations
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:FeatureName: Multi-architecture clusters for {product-title} on Azure installer-provisioned infrastructure installations
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include::snippets/technology-preview.adoc[leveloffset=+1]
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include::modules/mixed-arch-creating-arm64-bootimage.adoc[leveloffset=+1]
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include::modules/multi-architecture-creating-arm64-bootimage.adoc[leveloffset=+1]
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include::modules/mixed-arch-modify-machine-set.adoc[leveloffset=+1]
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include::modules/multi-architecture-modify-machine-set.adoc[leveloffset=+1]
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[role="_additional-resources"]
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.Additional resources
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* xref:../machine_management/creating_machinesets/creating-machineset-azure.adoc[Creating a compute machine set on Azure]
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include::modules/mixed-arch-upgrade-mirrors.adoc[leveloffset=+1]
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include::modules/multi-architecture-upgrade-mirrors.adoc[leveloffset=+1]
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include::modules/multi-architecture-import-imagestreams.adoc[leveloffset=+1]

‎post_installation_configuration/multi-architecture-configuration.adoc

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:_content-type: ASSEMBLY
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:context: multi-architecture-configuration
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[id="post-install-multi-architecture-configuration"]
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= Configuring a multi-architecture cluster
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include::_attributes/common-attributes.adoc[]
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toc::[]
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A multi-architecture cluster is a cluster that supports worker machines with different architectures. You can deploy a multi-architecture cluster by creating an Azure installer-provisioned cluster using the multi-architecture installer binary. For Azure installation, see xref:../installing/installing_azure/installing-azure-customizations.adoc[Installing a cluster on Azure with customizations].
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[WARNING]
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====
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The multi-architecture clusters Technology Preview feature has limited usability with installing, upgrading, and running payloads.
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====
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The following procedures explain how to generate an `arm64` boot image and create an Azure compute machine set with the `arm64` boot image. This will add `arm64` worker nodes to your multi-architecture cluster and deploy the desired amount of ARM64 virtual machines (VM). This section also shows how to upgrade your existing cluster to a multi-architecture cluster. Multi-architecture clusters are only available on Azure installer-provisioned infrastructures with `x86_64` control planes.
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:FeatureName: Multi-architecture clusters for {product-title} on Azure installer-provisioned infrastructure installations
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include::snippets/technology-preview.adoc[leveloffset=+1]
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include::modules/multi-architecture-creating-arm64-bootimage.adoc[leveloffset=+1]
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include::modules/multi-architecture-modify-machine-set.adoc[leveloffset=+1]
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[role="_additional-resources"]
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.Additional resources
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* xref:../machine_management/creating_machinesets/creating-machineset-azure.adoc[Creating a compute machine set on Azure]
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include::modules/multi-architecture-upgrade-mirrors.adoc[leveloffset=+1]

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