Hybrid cloud blog

May 25, 2023

Installing OpenShift in VMware vSphere Zones

Imagine you're responsible for maintaining an OpenShift cluster on a VMware vSphere environment. Suddenly, some of your VMware ESXi hypervisors fail, and your entire cluster goes down. The downtime ...

Ramon Acedo Rodriguez

May 16, 2023

Application Clustering in OpenShift Virtualization

High availability is one of the cornerstones of the IT industry, and rightfully so. Having a secure, redundant environment is a key to protecting any infrastructure from disaster. In this article I ...

William Bell

May 12, 2023

Network Functions Virtualization and Edge Strategy, from OpenShift Commons Gathering, Amsterdam 2023

In a talk at the OpenShift Commons Gathering, Amsterdam 2023, Red Hat's Almog Elfassy detailed the journey from network functions virtualization to cloud native network functions. This enables next ...

Alex Handy

April 25, 2023

What’s New in Red Hat OpenShift Virtualization 4.12

We are happy to announce that Red Hat OpenShift Virtualization 4.12 is now generally available. With key collaboration from the upstream KubeVirt community, OpenShift Virtualization 4.12 provides ...

Peter Lauterbach

February 20, 2023

External Cloud Provider Support in OpenShift on OpenStack

What are Kubernetes cloud providers? Kubernetes is flexible. By building on top of its built-in capabilities, you can solve almost any use case. By extending it, you can tackle even the most ...

Maysa De Macedo Souza and Stephen Finucane

January 10, 2023

Node Selection and Affinity for Virtual Machines in OpenShift

Image composed of map tiles created by Stamen Design, under CC BY 3.0. Data by OpenStreetMap, under ODbL. Map tiles are, from top to bottom, Boston, MA, Raleigh, NC, and Phoenix, AZ According to the ...

Chandler Wilkerson

December 12, 2022

Using libguestfs Tools to Manipulate VM images in OpenShift Virtualization

The libguestfs tools make working with virtual machine disk images easy. Typically run from the command line of a Linux machine, this tool set is also available to be used with virtual machine disk ...

William Bell

November 23, 2022

A Guide to Integrating Red Hat OpenStack with Cisco ACI

While working on a Red Hat OpenStack related engagement with one of our customers, we did a Proof of Concept (PoC) with them where the scope was to set up Red Hat OpenStack in their environment and ...

Jagjit Pathania

August 26, 2022

Backup and Restore of Virtual Machines within OpenShift

Linus Torvalds once wrote, "Only wimps use tape backup: real men just upload their important stuff on ftp, and let the rest of the world mirror it." This quote has not aged well for a number of ...

Chandler Wilkerson

August 15, 2022

KubeVirt Scale Test: Creating 400 VMIs Per Node

Recently, due to the increasing use of Kubernetes, we see a trend towards using powerful nodes in these clusters and a requirement for users to increase the number of pods that can run on a node. In ...

Marcelo Amaral and Ezra Silveira

August 15, 2022

Introducing KubeVirt’s CRD Support for kube-burner to Benchmark Kubernetes and OpenShift Creation of VMs

This blog post is dedicated to explaining the tool used by the OpenShift Performance and Scale team (Performance and Scalability) to test the performance and scalability of OpenShift CNV and plain ...

Marcelo Amaral

August 2, 2022

How to Create Automatically Updating Boot Source Images

Today is a beautiful day. Just like most. I am in a good mood and have been thinking about ways to help the users of my OpenShift cluster. I think I have come up with a way to make all our lives a ...

John Herr