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Chapter 1. Ansible based deployment workflow
You can use Ansible to deploy Red Hat Hyperconverged Infrastructure for Virtualization on a single node or on 3 to 12 nodes.
The preparation of the inventory file based on the user requirements is a one time process and is created with the help of the example inventory files available.
The workflow for deploying RHHI for Virtualization using Ansible is as follows:
Check requirements.
Verify that your planned deployment meets support requirements: Requirements, and fill in the installation checklist so that you can refer to it during the deployment process.
Install operating systems.
- Install an operating system on each physical machine that will act as a hyperconverged host: Installing hyperconverged hosts.
- (Optional) Install an operating system on each physical or virtual machine that will act as an Network-Bound Disk Encryption (NBDE) key server: Installing NBDE key servers.
Modify firewall rules for additional software.
- (Optional) Modify firewall rules for disk encryption: Section 5.1, “Modifying firewall rules for disk encryption”.
Configure authentication between hyperconverged hosts.
Configure key-based SSH authentication without a password to enable automated configuration of the hosts: Configure key-based SSH authentication.
(Optional) Configure disk encryption.
- Define the details of your environment in inventory and playbook files: Defining deployment details
- Execute the Ansible playbook to deploy RHHI for Virtualization: Executing the deployment playbook
- Verify your deployment.
