DO326

Red Hat Openshift Migration Lab Training

Migrate application workloads, including its Kubernetes resources, data, and container images, when upgrading from OpenShift 3 to 4 or from OpenShift 4.x to the latest version.

Red Hat Openshift Migration Lab (DO326) is designed for OpenShift professionals migrating workloads from legacy deployments of OpenShift Container Platform running 3.11 onto a 4.9 installation. Students will gain practical working experience with the Migration Toolkit for Containers (MTC) to leverage in real-world migration scenarios.
Course Details

Duration

2 days

Prerequisites

  • Red Hat OpenShift Administration II: Operating a Production Kubernetes Cluster (DO280) is highly recommended in order to be successful in this course.
  • Red Hat OpenShift Installation Lab (DO322) is suggested.

Target Audience

  • Red Hat consultants and partners responsible for customer success and who want to migrate from OpenShift 3 to OpenShift 4.
  • OpenShift professionals responsible for the transition of workloads onto OpenShift 4.

Skills Gained

  • Assessing OpenShift 3 to OpenShift 4 migration scenarios.
  • Discussion of OpenShift 4 minor version migration scenarios.
  • Deploying the Migration Toolkit for Containers.
  • Migrating Persistent Volumes application data between OpenShift clusters.
  • Migrating application images from the internal registry between OpenShift clusters.
  • Moving Kubernetes manifests application resources between OpenShift clusters.
  • Migrating Kubernetes cluster settings between OpenShift clusters.
Course Outline
  • Planning an OpenShift 3 to 4 migration
  • Preparing the target cluster for migration
  • Deploying the Migration Toolkit for Containers (MTC)
  • Migrating applications using the MTC
  • Mapping application dependencies and dandling migration issues
  • Automating application migrations using the MTC API and Ansible
  • Reducing downtime during a migration process
  • Red Hat OpenShift 3 to 4 migration lab comprehensive review