An {product-title} cluster with multi-architecture compute machines is a cluster that supports compute machines with different architectures. Clusters with multi-architecture compute machines are available only on AWS or Azure installer-provisioned infrastructures and bare metal user-provisioned infrastructures with x86_64 control plane machines.
|
Note
|
When there are nodes with multiple architectures in your cluster, the architecture of your image must be consistent with the architecture of the node. You need to ensure that the pod is assigned to the node with the appropriate architecture and that it matches the image architecture. For more information on assigning pods to nodes, see Assigning pods to nodes. |
|
Important
|
The Cluster Samples Operator is not supported on clusters with multi-architecture compute machines. Your cluster can be created without this capability. For more information, see Enabling cluster capabilities |
For information on migrating your single-architecture cluster to a cluster that supports multi-architecture compute machines, see Migrating to a cluster with multi-architecture compute machines.
To deploy an Azure cluster with multi-architecture compute machines, you must first create a single-architecture Azure installer-provisioned cluster that uses the multi-architecture installer binary. For more information on Azure installations, see Installing a cluster on Azure with customizations. You can then add an ARM64 compute machine set to your cluster to create a cluster with multi-architecture compute machines.
The following procedures explain how to generate an ARM64 boot image and create an Azure compute machine set that uses the ARM64 boot image. This adds ARM64 compute nodes to your cluster and deploys the amount of ARM64 virtual machines (VM) that you need.
To create an AWS cluster with multi-architecture compute machines, you must first create a single-architecture AWS installer-provisioned cluster with the multi-architecture installer binary. For more information on AWS installations, refer to Installing a cluster on AWS with customizations. You can then add a ARM64 compute machine set to your AWS cluster.
To create a cluster with multi-architecture compute machines on bare metal, you must have an existing single-architecture bare metal cluster. For more information on bare metal installations, see Installing a user provisioned cluster on bare metal. You can then add 64-bit ARM compute machines to your {product-title} cluster on bare metal.
Before you can add 64-bit ARM nodes to your bare metal cluster, you must upgrade your cluster to one that uses the multi-architecture payload. For more information on migrating to the multi-architecture payload, see Migrating to a cluster with multi-architecture compute machines.
The following procedures explain how to create a {op-system} compute machine using an ISO image or network PXE booting. This will allow you to add ARM64 nodes to your bare metal cluster and deploy a cluster with multi-architecture compute machines.