Which technology is used to run VMs in an OpenShift cluster?

OpenShift is a Kubernetes-based container platform that supports both containerized and virtualized workloads. Let’s analyze each option:

A. ESXi

Incorrect:ESXi is VMware’s hypervisor for running virtual machines. While it is widely used in traditional virtualization environments, it is not integrated into OpenShift.

B. OpenStack

Incorrect:OpenStack is an open-source cloud computing platform used for managing infrastructure resources (e.g., compute, storage, networking). It is unrelated to running VMs in an OpenShift cluster.

C. Hyper-V

Incorrect:Hyper-V is Microsoft’s hypervisor for running virtual machines. Like ESXi, it is not integrated into OpenShift.

D. KubeVirt

Correct: KubeVirtis the technology used to run virtual machines in an OpenShift cluster. It extends Kubernetes to support VM workloads alongside containers, enabling hybrid workload management.

Why KubeVirt?

Integration with OpenShift:KubeVirt is specifically designed to run VMs in Kubernetes-based environments like OpenShift.

Hybrid Workload Support:It allows organizations to manage both containers and VMs using the same Kubernetes APIs and tools.

JNCIA Cloud References:

The JNCIA-Cloud certification covers OpenShift and its integration with Kubernetes extensions like KubeVirt. Understanding how to run VMs in OpenShift is essential for managing hybrid workloads in cloud-native environments.

For example, Juniper Contrail integrates with OpenShift and KubeVirt to provide networking and security for hybrid workloads.