1. Ramon Perez

    Fully virtualized ZTP deployments with DCI

    This blog post will show you how you can deploy a fully virtualized ZTP environment, where both the hub and spoke cluster will be placed in virtual machines managed with KVM. For this purpose, DCI will be used as key continuous integration tool to support the installation of both the hub and spoke cluster. This is useful for quickly troubleshooting of issues, not depending on a full baremetal infrastructure for that. The differences between the deployment on baremetal and virtualized scenarios (even though DCI works seamlessly in both cases) will be presented, also highlighting the key aspects you need to have in mind when deploying this pipeline with virtual machines. Best practices and lessons learned will be also shared.

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  2. Ramon Perez, Bill Peck, Tatiana Krishtop

    Addressing Challenges in Transitioning from IPI to ABI Installation

    In this post, we share how to deploy an entire Openshift Container Platform (OCP) cluster on a single baremetal server using the Assisted - Agent Based Installer (ABI) in a virtual environment with Libvirt VMs nodes. We highlight the benefits of ABI installation compared to the Installer Provisioner Infrastructure (IPI) installation that was our de-facto method.

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  3. Ramon Perez, Manuel Rodriguez

    Networking Considerations for Distributed Deployment of Libvirt/KVM-Based OCP Clusters

    In previous blog posts, we have learned about the OCP on Libvirt project and the benefits it brings to us, with regards to the flexible deployment of OCP clusters where the nodes are virtual machines deployed on KVM. However, we have only covered the case of one single physical server. Can we use multiple physical servers to set up a lab with multiple, distributed deployment on Libvirt-based OCP clusters? The answer is yes! And we will explain the main requirements and challenges in terms of networking in this blog post.

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