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Installing a cluster on Nutanix

In {product-title} version {product-version}, you can choose one of the following options to install a cluster on your Nutanix instance:

Using installer-provisioned infrastructure: Use the procedures in the following sections to use installer-provisioned infrastructure. Installer-provisioned infrastructure is ideal for installing in connected or disconnected network environments. The installer-provisioned infrastructure includes an installation program that provisions the underlying infrastructure for the cluster.

Using the Assisted Installer: The {ai-full} hosted at console.redhat.com. The {ai-full} cannot be used in disconnected environments. The {ai-full} does not provision the underlying infrastructure for the cluster, so you must provision the infrastructure before the running the {ai-full}. Installing with the {ai-full} also provides integration with Nutanix, enabling autoscaling. See Installing an on-premise cluster using the {ai-full} for additional details.

Using user-provisioned infrastructure: Complete the relevant steps outlined in the Installing a cluster on any platform documentation.

Prerequisites

  • You have reviewed details about the {product-title} installation and update processes.

  • The installation program requires access to port 9440 on Prism Central and Prism Element. You verified that port 9440 is accessible.

  • If you use a firewall, you have met these prerequisites:

    • You confirmed that port 9440 is accessible. Control plane nodes must be able to reach Prism Central and Prism Element on port 9440 for the installation to succeed.

    • You configured the firewall to grant access to the sites that {product-title} requires. This includes the use of Telemetry.

  • If your Nutanix environment is using the default self-signed SSL certificate, replace it with a certificate that is signed by a CA. The installation program requires a valid CA-signed certificate to access to the Prism Central API. For more information about replacing the self-signed certificate, see the Nutanix AOS Security Guide.

    If your Nutanix environment uses an internal CA to issue certificates, you must configure a cluster-wide proxy as part of the installation process. For more information, see Configuring a custom PKI.

    Important

    Use 2048-bit certificates. The installation fails if you use 4096-bit certificates with Prism Central 2022.x.

Additional resources