Jump To Close Expand all Collapse all Table of contents Assisted Installer for OpenShift Container Platform Preface 1. Installing an on-premise cluster using the Assisted Installer Expand section "1. Installing an on-premise cluster using the Assisted Installer" Collapse section "1. Installing an on-premise cluster using the Assisted Installer" 1.1. Using the Assisted Installer 1.2. API support for the Assisted Installer 2. Preparing to install with the Assisted Installer Expand section "2. Preparing to install with the Assisted Installer" Collapse section "2. Preparing to install with the Assisted Installer" 2.1. Prerequisites 2.2. Assisted Installer prerequisites Expand section "2.2. Assisted Installer prerequisites" Collapse section "2.2. Assisted Installer prerequisites" 2.2.1. Hardware 2.2.2. Networking 2.2.3. Preflight validations 3. Installing with the Assisted Installer UI Expand section "3. Installing with the Assisted Installer UI" Collapse section "3. Installing with the Assisted Installer UI" 3.1. Pre-installation considerations 3.2. Setting the cluster details 3.3. Optional: Configuring static networks 3.4. Configuring Operators 3.5. Adding hosts to the cluster 3.6. Configuring hosts 3.7. Configuring storage disks 3.8. Configuring networking 3.9. Pre-installation validation 3.10. Installing the cluster 3.11. Completing the installation 4. Installing with the Assisted Installer API Expand section "4. Installing with the Assisted Installer API" Collapse section "4. Installing with the Assisted Installer API" 4.1. Optional: Installing the OpenShift Cluster Manager CLI 4.2. Authenticating with the REST API 4.3. Configuring the pull secret 4.4. Registering a new cluster 4.5. Modifying a cluster 4.6. Registering a new infrastructure environment 4.7. Modifying an infrastructure environment 4.8. Adding hosts 4.9. Modifying hosts 4.10. Pre-installation validation 4.11. Installing the cluster 5. Optional: Enabling disk encryption Expand section "5. Optional: Enabling disk encryption" Collapse section "5. Optional: Enabling disk encryption" 5.1. Enabling TPM v2 encryption 5.2. Enabling Tang encryption 5.3. Additional resources 6. Optional: Installing operators Expand section "6. Optional: Installing operators" Collapse section "6. Optional: Installing operators" 6.1. Installing OpenShift Virtualization 6.2. Installing OpenShift Data Foundation 7. Configuring the discovery image Expand section "7. Configuring the discovery image" Collapse section "7. Configuring the discovery image" 7.1. Creating an Ignition configuration file 7.2. Modifying the discovery image with Ignition 8. Booting hosts with the discovery image Expand section "8. Booting hosts with the discovery image" Collapse section "8. Booting hosts with the discovery image" 8.1. Creating an ISO image on a USB drive 8.2. Booting with a USB drive 8.3. Booting from an HTTP-hosted ISO image using the Redfish API 8.4. Booting hosts using iPXE 9. Assigning roles to hosts Expand section "9. Assigning roles to hosts" Collapse section "9. Assigning roles to hosts" 9.1. Select a role using the UI 9.2. Select a role using the API 9.3. Auto-assigning roles 9.4. Additional resources 10. Pre-installation validation Expand section "10. Pre-installation validation" Collapse section "10. Pre-installation validation" 10.1. Definition of pre-installation validations 10.2. Blocking and non blocking validations 10.3. Validation types 10.4. Host validations Expand section "10.4. Host validations" Collapse section "10.4. Host validations" 10.4.1. Getting host validations by using the REST API 10.4.2. Host validations in detail 10.5. Cluster validations Expand section "10.5. Cluster validations" Collapse section "10.5. Cluster validations" 10.5.1. Getting cluster validations by using the REST API 10.5.2. Cluster validations in detail 11. Network configuration Expand section "11. Network configuration" Collapse section "11. Network configuration" 11.1. Cluster networking Expand section "11.1. Cluster networking" Collapse section "11.1. Cluster networking" 11.1.1. Limitations Expand section "11.1.1. Limitations" Collapse section "11.1.1. Limitations" 11.1.1.1. SDN 11.1.1.2. OVN-Kubernetes 11.1.2. Cluster network 11.1.3. Machine network 11.1.4. SNO compared to multi-node cluster 11.1.5. Air-gapped environments 11.2. DHCP VIP allocation Expand section "11.2. DHCP VIP allocation" Collapse section "11.2. DHCP VIP allocation" 11.2.1. Example payload to enable autoallocation 11.2.2. Example payload to disable autoallocation 11.3. Additional resources 11.4. Understanding differences between User Managed Networking and Cluster Managed Networking Expand section "11.4. Understanding differences between User Managed Networking and Cluster Managed Networking" Collapse section "11.4. Understanding differences between User Managed Networking and Cluster Managed Networking" 11.4.1. Validations 11.5. Static network configuration Expand section "11.5. Static network configuration" Collapse section "11.5. Static network configuration" 11.5.1. Prerequisites 11.5.2. NMState configuration Expand section "11.5.2. NMState configuration" Collapse section "11.5.2. NMState configuration" 11.5.2.1. Example of NMState configuration 11.5.3. MAC interface mapping Expand section "11.5.3. MAC interface mapping" Collapse section "11.5.3. MAC interface mapping" 11.5.3.1. Example of MAC interface mapping 11.5.4. Additional NMState configuration examples Expand section "11.5.4. Additional NMState configuration examples" Collapse section "11.5.4. Additional NMState configuration examples" 11.5.4.1. Tagged VLAN 11.5.4.2. Network bond 11.6. Applying a static network configuration with the API 11.7. Additional resources 11.8. Converting to dual-stack networking Expand section "11.8. Converting to dual-stack networking" Collapse section "11.8. Converting to dual-stack networking" 11.8.1. Prerequisites 11.8.2. Example payload for Single Node OpenShift 11.8.3. Example payload for an OpenShift Container Platform cluster consisting of many nodes 11.8.4. Limitations 11.9. Additional resources 12. Expanding the cluster Expand section "12. Expanding the cluster" Collapse section "12. Expanding the cluster" 12.1. Prerequisites 12.2. Adding hosts with the UI 12.3. Adding hosts with the API 12.4. Additional resources 13. Optional: Installing on Nutanix Expand section "13. Optional: Installing on Nutanix" Collapse section "13. Optional: Installing on Nutanix" 13.1. Adding hosts on Nutanix with the UI 13.2. Adding hosts on Nutanix with the API 13.3. Nutanix post-installation configuration 14. Optional: Installing on vSphere Expand section "14. Optional: Installing on vSphere" Collapse section "14. Optional: Installing on vSphere" 14.1. Adding hosts on vSphere 14.2. vSphere post-installation configuration using the CLI 14.3. vSphere post-installation configuration using the UI 15. Troubleshooting Expand section "15. Troubleshooting" Collapse section "15. Troubleshooting" 15.1. Prerequisites 15.2. Troubleshooting discovery ISO issues 15.3. Minimal ISO Image Expand section "15.3. Minimal ISO Image" Collapse section "15.3. Minimal ISO Image" 15.3.1. Troubleshooting minimal ISO boot failures 15.4. Verify the discovery agent is running 15.5. Verify the agent can access the assisted-service 15.6. Correcting a host’s boot order 15.7. Rectifying partially-successful installations Legal Notice Settings Close Language: 한국어 日本語 简体中文 English Language: 한국어 日本語 简体中文 English Format: Multi-page Single-page PDF Format: Multi-page Single-page PDF Language and Page Formatting Options Language: 한국어 日本語 简体中文 English Language: 한국어 日本語 简体中文 English Format: Multi-page Single-page PDF Format: Multi-page Single-page PDF Assisted Installer for OpenShift Container Platform Assisted Installer for OpenShift Container Platform 2022Assisted Installer User GuideRed Hat Customer Content ServicesLegal NoticeAbstract Information about the Assisted Installer and its usage Next