Red Hat High Availability Clustering (RH436)

Price
$4,400.00 USD

Duration
5 Days

Delivery Methods
Virtual Instructor Led
Private Group

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Course Overview

Deploy reliable, available critical production services in a high availability cluster

In the Red Hat High Availability Clustering (RH436) course, you will learn how to provide highly available network services to a mission-critical enterprise environment through the deployment and management of shared storage and server clusters. Created for senior Linux system administrators, this 4-day course strongly emphasizes lab-based activities.

You will 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 such as web servers and databases on that cluster. Cluster storage components from the Resilient Storage Add-On are also covered; installations and applications that require multiple cluster nodes can access the same storage simultaneously. This includes Logical Volume Manager (LVM) Shared Volume Groups, Red Hat Global File System 2 (GFS2), and Device-Mapper Multipath.

This course is based on Red Hat Enterprise Linux 8.3.

Course Objectives

Install and configure a Pacemaker-based high availability cluster.
Create and manage highly available services.
Troubleshoot common cluster issues.
Work with shared storage (iSCSI) and configure multipathing.
Implement Logical Volume Manager (LVM) in cluster-aware configurations.
Configure GFS2 file systems on storage shared by multiple nodes.

Who Should Attend?

Senior Linux system administrators who use high-availability clustering and fault-tolerant shared storage technologies to maximize resiliency of production services.

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Course Prerequisites

Red Hat Certified System Administrator (RHCSA) exam (EX200) and associated courses.
Red Hat Cerfitied Engineer (RHCE) exam (EX294) and associated courses.

Agenda

1 - Creating high availability clusters

Create a basic high availability cluster.

2 - Managing cluster nodes and quorum

Manage node membership in the cluster and describe how it impacts cluster operation.

3 - Isolating malfunctioning cluster nodes

Isolate unresponsive cluster nodes to protect data and recover services and resources after a failure.

4 - Creating and configuring resources

Create basic resources and resource groups to provide highly available services.

5 - Troubleshooting high availability clusters

Identify, diagnose, and fix cluster issues.

6 - Automating cluster and resource deployment

Deploy a new high availability cluster and cluster resources using Ansible automation.

7 - Managing two-node clusters

Operate two-node clusters while identifying and avoiding issues specific to a two-node cluster configuration.

8 - Accessing iSCSI storage

Configure iSCSI initiators on your servers to access block-based storage devices provided by network storage arrays or Ceph storage clusters.

9 - Accessing storage devices resiliently

Configure resilient access to storage devices that have multiple access paths.

10 - Configuring LVM in clusters

Select, configure, and manage the correct LVM configuration for use in your cluster.

11 - Providing storage with the GFS2 cluster file system

Use the GFS2 cluster file system to simultaneously pProvide tightly coupled shared storage that can be accessed by multiple nodes.

12 - Eliminating single points of failure

Identify and eliminate single points of failure in your cluster to decrease risk and increase average service availability.

Note: Course outline is subject to change with technology advances and as the nature of the underlying job evolves. For questions or confirmation on a specific objective or topic, please contact a training specialist.