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PR for review of RN for TELCODOCS 947 #55537

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PR for review of RN for TELCODOCS 947 #55537

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7 changes: 7 additions & 0 deletions release_notes/ocp-4-12-release-notes.adoc
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Expand Up @@ -3126,6 +3126,13 @@ You can view the container images in this release by running the following comma
$ oc adm release info 4.12.1 --pullspecs
----

[id="ocp-4-12-1-assisted-installer-api-mixed-arch-clusters"]
==== Deploy heterogeneous spoke clusters from a hub cluster

With this update, you can create {product-title} mixed-architecture clusters, also known as heterogeneous clusters, that feature hosts with both AMD64 and AArch64 CPU architectures. You can deploy a heterogeneous spoke cluster from a hub cluster managed by Red Hat Advanced Cluster Management (RHACM). To create a heterogeneous spoke cluster, add an AArch64 worker node to a deployed AMD64 cluster.

To add an AArch64 worker node to a deployed AMD64 cluster, you can specify the AArch64 architecture, the multi-architecture release image, and the operating system required for the node by using an `InfraEnv` custom resource (CR). You can then provision the AArch64 worker node to the AMD64 cluster by using the {ai-full} API and the `InfraEnv` CR.

[id="ocp-4-12-1-bug-fixes"]
==== Bug fixes

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