Red Hat High Availability Clustering (RH436)

Red Hat High Availability Clustering Training

Deploy reliable and available critical production services in a high availability cluster with the 5-day Red Hat High Availability Clustering course. Our accredited trainers cover all the relevant aspects while preparing you for the Red Hat Specialist in High Availability Clustering credential.

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Red Hat RH436 Course Overview

Vinsys' authorized Red Hat Clustering course describes how to provide highly available network services to a mission-critical enterprise environment through the deployment/management of shared storage and server clusters. In addition, it lets you set up a cluster of systems running the Pacemaker component of the Red Hat Enterprise Linux High-Availability Add-On, and deploy Linux-based services like web servers and databases on that cluster. 

The in-depth training covers cluster storage components from the Resilient Storage Add-On, ensuring the installations and applications requiring multiple cluster nodes can access the same storage simultaneously. It includes Logical Volume Manager (LVM) Shared Volume Groups, Red Hat Global File System 2 (GFS2), and Device-Mapper Multipath.

Our Red Hat RH436 course also prepares you for the EX436 exam, necessary for securing the Red Hat Specialist in High Availability Clustering accreditation. 

Course Curriculum


Course Objectives

  • Installing/Configuring a Pacemaker-based high availability cluster.
  • Creating/Managing highly available services.
  • Troubleshooting common cluster issues.
  • Working with shared storage (iSCSI) and configuring multipathing.
  • Implementing Logical Volume Manager (LVM) in cluster-aware configurations.
  • Configuring GFS2 file systems on storage shared by multiple nodes.

Audience

  • Senior Linux System Administrators involved in using high-availability clustering and fault-tolerant shared storage technologies for maximizing the resiliency of production services.
  • Individuals who wish to complete the Red Hat Specialist in High Availability Clustering certification. 

Prerequisites

•    Attend RH124 Red Hat System Administration I + RH134 Red Hat System Administration II + RH294 Red Hat Enterprise Linux Automation with Ansible training for passing EX200 and EX294 exams.

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Training Options


ONLINE TRAINING

Virtual Instructor-led Sessions


  • Red Hat Accredited Content 
  • Experienced Subject Matter Experts
  • Approved and Quality Ensured training Material
  • 24*7 learner assistance and support

CORPORATE TRAINING

Per Teams’ Requirements


  • Customized Training Across Various Domains
  • Instructor Led Skill Development Program
  • ROI-optimization & Group Discounts
  • 24*7 Learner Assistance and Support

Course Outline


  • Creating a basic high availability cluster.
  • Managing node membership in the cluster and explaining how it impacts cluster operation
  • Isolating unresponsive cluster nodes for protecting data and recovering services/resources after a failure.
  • Creating basic resources and resource groups for providing highly available services.
  • Identifying, diagnosing, and fixing cluster issues.
  • Deploying a new high availability cluster and cluster resources utilizing Ansible automation.
  • Operating two-node clusters while identifying/avoiding issues specific to a two-node cluster configuration.
  • Configuring iSCSI initiators on your servers for accessing block-based storage devices provided by network storage arrays or Ceph storage clusters.
  • Configuring resilient access to storage devices with multiple access paths.
  • Selecting, configuring, and managing the correct LVM configuration for use in your cluster.
  • Utilizing the GFS2 cluster file system for simultaneously providing tightly coupled shared storage that multiple nodes can access.
  • Identifying/Eliminating single points of failure in your cluster for decreasing risk and increasing average service availability.

Course Reviews


FAQ's


It enhances the reliability, availability, and resiliency of your mission-critical services, reduces downtime, and leads to easier hardware maintenance.

It adds to your abilities for improving application uptime by using high availability clustering, managing storage in a high availability environment, and implementing strategies to identify/eliminate single points of failure in high availability clusters.

The Red Hat RH436 course strongly emphasizes lab-based activities

Skills for performing the following tasks:
Configuring a high-availability cluster.
•    Installing high availability clustering.
•    Installing/Configuring a high availability cluster either manually or using Ansible.
•    Configuring cluster quorum options.
Configuring cluster fencing.
•    Configuring standard fence mechanisms like fence_ipmilan.
•    Testing fencing configurations using standard tools.
•    Configuring fencing so that any cluster member can fence other cluster members.
Configuring cluster logging and monitoring.
•    Configuring cluster logging so that each node system activity is logged to a separate file.
•    Configuring cluster logging so that logging messages will be forwarded to journald.
Configuring cluster monitoring.
•    Creating/Configuring a cluster monitoring resource.
•    Logging cluster events and sending notification emails to a specific address.
•    Configuring cluster alerts.
Configuring a clustered fail-over service.
•    Creating/Configuring a cluster highly available service.
•    Configuring a specific resource group.
•    Configuring services to use shared storage.
•    Configuring services to use a specific IP.
Configuring cluster service behavior.
•    Restricting where services run.
•    Configuring service failover behavior.
Configuring storage.
•    Configuring an iSCSI initiator.
•    Creating/Configuring shared storage using provided iSCSI volumes.
•    Configuring multipath access to shared storage.
•    Configuring shared LVM devices.
•    Configuring highly available LVM devices.
Configuring GFS2 filesystems.
•    Creating GFS2 filesystems on logical volumes.
•    Configuring GFS filesystems to be shared between multiple nodes simultaneously.
•    Managing GFS2 filesystems.
•    Adding journals to existing GFS2 filesystems.
Growing a GFS2 filesystem.

No, the EX436 Red Hat accreditation exam consists of only one section

Yes, achieving the Specialist in High Availability Clustering accreditation also allows you to apply it towards earning the Red Hat Certified Architect credential.

Besides being a globally-respected Individual/Corporate IT training provider, Vinsys is also admired as the top Red Hat learning partner. Its unmatchable offerings, accredited instructors, customizable skilling programs, and round-the-clock learner support ensure the most detailed upskilling experiences, a must for capitalizing on valuable network services opportunities.