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OpenSprig

RedHat Enterprise

Red Hat Certified Specialist in High Availability Clustering

Keep critical services running with Pacemaker clusters on RHEL.

Overview

Build and manage high-availability clusters on RHEL with Pacemaker and Corosync, so applications move automatically to healthy nodes when something fails.

Course objectives

  • Build a multi-node Pacemaker cluster
  • Configure fencing and quorum
  • Run highly available services and storage
  • Troubleshoot cluster failures

Who it's for

  • RHCSA or RHCE holders working toward Red Hat Certified Architect (RHCA)
  • Experienced Linux administrators in enterprise environments
  • Engineers who support production RHEL systems

Prerequisites

  • RHCSA certification or equivalent experience
  • Comfort with the Linux command line and system services

Syllabus outline

  • HA concepts and quorum
  • Installing Pacemaker and Corosync
  • Managing with pcs

Lab and practice approach

Hands-on labs on multi-system RHEL practice environments, with timed exam-style tasks at the end of each module.

Why attend this course?

  • Counts as a specialist exam toward Red Hat Certified Architect (RHCA)
  • Deep skills used in large production RHEL environments
  • Practice-first labs that mirror real enterprise problems

After completing this course

Roles you can aim for

  • High Availability Engineer
  • Senior Linux Administrator
  • Infrastructure Architect

What you will be able to do

  • Build a multi-node Pacemaker cluster
  • Configure fencing and quorum
  • Run highly available services and storage

Certification and exam

Prepares you for the Red Hat Certified Specialist in High Availability Clustering exam (EX436), which counts toward Red Hat Certified Architect (RHCA). Certification exams are booked and taken separately with the vendor.

Exam code
EX436
Exam name
Red Hat Certified Specialist in High Availability Clustering
Format
Hands-on, performance-based (tasks on live systems)
Level
Specialist (Level 4) — counts toward RHCA
Validity
3 years

Exam details can change — always confirm current format, price and rules on the vendor's website. Exams are not included in OpenSprig training. You book and take the exam separately with the vendor, at the vendor's price.

Why learn with OpenSprig

  • Live, instructor-led online sessions you can ask questions in
  • Practice on real systems in every class
  • Exam-objective-aligned syllabus with mock tests
  • Course community group for help between classes
  • Weekend-friendly 2–3 hour classes