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Training
Certificate
Course Information
Course Name
RH436: Red Hat High Availability Clustering
Exam code
EX436
Duration
4 Days
Certification
Overview
Audience Profile
Prerequisities
At Course Completion
Course Outline
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.
Following course completion, hands-on lab access will remain available for up to 45 days for any live course that includes a virtual environment.
Overview
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.
Following course completion, hands-on lab access will remain available for up to 45 days for any live course that includes a virtual environment.
Audience Profile
Audience Profile
Senior Linux system administrators who use high-availability clustering and fault-tolerant shared storage technologies to maximize resiliency of production services.
Prerequisities
Prerequisites
- Red Hat Certified System Administrator (RHCSA) exam (EX200) and associated courses.
- Red Hat Certified Engineer (RHCE) exam (EX294) and associated courses.
At Course Completion
At Course Completion
- 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.
Course Outline
Course Outline
Module 1: Creating high availability clusters
Create a basic high availability cluster.
Module 2: Managing cluster nodes and quorum
Manage node membership in the cluster and describe how it impacts cluster operation.
Module 3: Isolating malfunctioning cluster nodes
Isolate unresponsive cluster nodes to protect data and recover services and resources after a failure.
Module 4: Creating and configuring resources
Create basic resources and resource groups to provide highly available services.
Module 5: Troubleshooting high availability clusters
Identify, diagnose, and fix cluster issues.
Module 6: Automating cluster and resource deployment
Deploy a new high availability cluster and cluster resources using Ansible automation.
Module 7: Managing two-node clusters
Operate two-node clusters while identifying and avoiding issues specific to a two-node cluster configuration.
Module 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.
Module 9: Accessing storage devices resiliently
Configure resilient access to storage devices that have multiple access paths.
Module 10: Configuring LVM in clusters
Select, configure, and manage the correct LVM configuration for use in your cluster.
Module 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.
Module 12: Eliminating single points of failure
Identify and eliminate single points of failure in your cluster to decrease risk and increase average service availability.
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