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Red Hat OpenShift Administration II: High Availability (DO380)


Duration: 4 days

Design,build, and test OpenShift HA cluster

RedHat OpenShift Administration II teaches you how to build robust clusters thatprovide high availability and the ability to run large numbers of applications.You will learn about OpenShift integration with datacenter infrastructure suchas load balancers, identity management, monitoring, proxies, and storage. You willalso develop more troubleshooting and Day 2 operations skills in this course.

Thiscourse is based on Red Hat® OpenShift Container Platform 3.6.

Youwill design an OpenShift HA cluster, then build and test it. You will use thiscluster to examine more advanced topics in the administration and operation ofa robust OpenShift cluster in the remainder of the course.


In this course you will :

  • Understand container and OpenShiftarchitecture.

  • Create containerized services.

  • Manage containers and container images.

  • Create custom container images.

  • Deploy containerized applications on Red HatOpenShift.

  • Deploy multi-container applications.

Youshould be able to demonstrate these skills:

  • Design and install a highly availablecluster.

  • Provision persistent storage using dynamicallocation.

  • Install the GlusterFS Container NativeStorage solution on an OpenShift cluster.

  • Enable log aggregation across the cluster.

  • Perform diagnostics on the cluster.

  • Back up and restore critical data for thecluster.

  • Manage OpenShift and operating systemresources to keep the cluster running efficiently.

  • Configure the LDAP security provider.

  • Describe and install the Open vSwitchmultitenant software-defined networking provider.


Course Outline

'Design a highly available cluster

  • Design an OpenShift cluster that supportshigh availability and resiliency.

Prepare to install an HA cluster

  • Configure the advanced installer and preparethe cluster environment for HA installation.

Configure OpenShift to use customcertificates

  • Configure the OpenShift cluster to use customcertificates.

Build an HA cluster

  • Use the advanced installation method to buildan HA OpenShift cluster.

Provision persistent storage

  • Describe storage providers, configure aprovider, create a storage class, and test the configuration.

Enable log aggregation

  • Consolidate useful data for analysis byenabling the log aggregation feature.

Maintain an OpenShift cluster

  • Perform recurring maintenance activities onan OpenShift cluster.

Manage system resources

  • Manage operating system and cluster resourcesfor optimal performance.

Configure security providers

  • Configure security providers and advancedsecurity options.

Configure networking options

  • Configure various advanced networkingfeatures and options.


This course is designed for Linux® system administrators who want to deploy andmanage a large-scale Red Hat® OpenShiftContainer Platform environment in their datacenters.


  • Become a Red Hat Certified SystemAdministrator, or demonstrate equivalent experience

  • Attend Introduction to Containers,Kubernetes, and Red Hat OpenShift (DO180) or demonstrate equivalent experiencewith containers, Kubernetes, and OpenShift

  • Attend Red Hat OpenShift Administration I(DO280) or demonstrate equivalent experience with OpenShift

  • Recommended, but not required: become a RedHat Certified Specialist in OpenShift Administration (EX280)



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