Red Hat Openshift Migration Lab (DO326)

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

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Virtual

Course Overview

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.

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)

1 – Planning an OpenShift 3 to 4 migration

Describe the major considerations when performing an OpenShift 3 to 4 migration project, including alternatives to MTC

2 – Preparing the target cluster for migration

Replicate source cluster settings on the target cluster if required by the migrated workloads.

3 – Deploying the Migration Toolkit for Containers (MTC)

Deploying the Migration Toolkit for Containers (MTC) on the source and target clusters.

4 – Migrating applications using the MTC

Migrate simple workloads using the Migration Toolkit for Containers (MTC) web UI.

5 – Mapping application dependencies and dandling migration issues

Migrate workloads that require special handling before and after using the MTC.

6 – Automating application migrations using the MTC API and Ansible

Automate the migration of complex workloads using the MCT API and Ansible

7 – Reducing downtime during a migration process

Reducing downtime while migrating a workload using data and network traffic migration strategies.

8 – Red Hat OpenShift 3 to 4 migration lab comprehensive review

Perform an OpenShift 3 to 4 migration using the MCT.

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