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Questions and Answers
What happens when the he_pause_host variable is set to true during deployment?
What happens when the he_pause_host variable is set to true during deployment?
- The deployment host is added to the Engine without further configuration.
- The deployment continues without installing the Engine.
- The Engine virtual machine is deleted.
- A lock file is created at /tmp with the suffix _he_setup_lock on the deployment host. (correct)
Where would you add an Ansible playbook to automatically run during deployment?
Where would you add an Ansible playbook to automatically run during deployment?
- /usr/share/ansible/collections/ansible_collections/redhat/rhv/roles/hosted_engine_setup/hooks/ (correct)
- /usr/share/ansible/collections/ansible_collections/redhat/rhv/enginevm_setup/
- /usr/share/ansible/collections/ansible_collections/redhat/rhv/roles/
- /usr/share/ansible/collections/ansible_collections/redhat/rhv/deployment_setup/
What is a prerequisite for performing engine-setup?
What is a prerequisite for performing engine-setup?
- Pausing the deployment using he_pause_host.
- Running the Ansible playbook enginevm_before_engine_setup.
- Setting the variable he_pause_before_engine_setup to false.
- Upgrading the appliance content to the latest product version. (correct)
What is the purpose of the enginevm_before_engine_setup hook?
What is the purpose of the enginevm_before_engine_setup hook?
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What must be set in the DNS for the Engine and the host?
What must be set in the DNS for the Engine and the host?
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Study Notes
Browser Requirements
- Tier 1 browsers: latest version of Google Chrome, Mozilla Firefox, or Microsoft Edge on Enterprise Linux and any operating system
- Tier 2 browsers: earlier versions of Google Chrome or Mozilla Firefox on any operating system
- Tier 3 browsers: other browsers on any operating system
Client Requirements
- Virtual machine consoles can only be accessed using supported Remote Viewer (virt-viewer) clients on Enterprise Linux and Windows
- Installing virt-viewer requires Administrator privileges
- virt-viewer is installed on Enterprise Linux and Windows using the Virtual Machine Management Guide
System Requirements
- oVirt Engine: Secure Shell (SSH) access on port 22 and 2222 for maintenance, configuration, and software upgrades
- oVirt Engine: HTTP (port 80) and HTTPS (port 443) access for clients
- oVirt Nodes: HTTP redirects connections to HTTPS
- ovirt-imageio service: TCP port 54322 for communication with oVirt Nodes
- oVirt Nodes: UDP port 6081 for OVN tunnel creation between hosts (required for OVN network provider)
Storage Preparation
- A oVirt environment must have at least one data storage domain
- Adding more data domains is recommended
- Data domains can be of different storage types (NFS, iSCSI, Fibre Channel, Gluster Storage)
- Self-hosted engines require an additional data domain with at least 74 GiB dedicated to the Engine virtual machine
Prerequisites
- Prepare storage for the additional data domain before installation
- Upgrade appliance content to the latest product version before performing engine-setup
- FQDNs must be prepared for the Engine and host with forward and reverse lookup records in the DNS
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