How to add a computing host to oVirt virtualization

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Our recent article introduced the method of installing oVirt Engine using two standard methods (dedicated instance and managed engine). In this blog post, we will delve into how to use the oVirt Engine management dashboard to add a computing host to a virtual machine in oVirt. The computing host server can be an Enterprise Linux Server, such as CentOS 8 or oVirt node server.

If you use an oVirt node, download the ISO file and use it to install the operating system into the physical hardware.

CentOS 8 server preparation

For CentOS 8 physical servers, add the oVirt YUM repository, which contains all the necessary packages.

                      
                        sudo dnf -y install https://resources.ovirt.org/pub/yum-repo/ovirt-release44.rpm
                      
                    

Enable cockpit services.

                      
                        sudo systemctl enable --now libvirtd cockpit.socket
                      
                    

Add the compute host to oVirt

Verify the installation of oVirt Engine by logging into the console.

Navigation Calculation > host > new And fill in all required information.

Modify other settings in the left panel as needed, then click “ it is good “” button to set the node.

The status should change to installing and it should be completed in a few minutes.

Configure host network

If you want to add other networks-additional bridges with VLANs, etc., you can do it after adding the host.

First create a logical network Network>New . Provide the correct details of the virtual network. For VLAN ID, check “Enable VLAN Tagging”

After the host is added and activated, you can configure its network in the following location Network Interface > Set up host network :

Assign logical networks to interfaces.

Drag the virtual network to map to the host interface.

If necessary, configure IP addressing.

After saving successfully, it should turn green.

Then, you can use the oVirt Management interface to continue creating virtual machines. Please refer to the following guide:

How to configure a VM on oVirt/RHEV with Terraform

Install server or virtual machine from ISO on oVirt/RHEV

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