• Course overview
  • Course details
  • Prerequisites

Course overview

About this course

This course provides students with the knowledge and skills to effectively administer the SUSE Linux Enterprise High Availability 15 product. Through this course, students will gain an understanding of the product's features and a high-level overview of its components. Configuring, testing, and managing clustered applications and storage will be covered in detail. Participants will gain an understanding of the maintenance modes available for cluster upkeep, followed by an exploration of the process for performing rolling software upgrades of both SLES and HA components.

This course prepares students for the SCE in SUSE Linux Enterprise 15 High Availability exam.

Audience profile

  • This course is designed for existing Linux administrators who want to configure highly available services using the SUSE Linux Enterprise HA Extension. This course provides a foundation for deploying SAP on SLE 15 HA.

Attendees will be taught the following concepts and skills:

  • Understand the features and components of the SUSE Linux Enterprise High Availability components 
  • Administer a cluster using Web and CLI tools 
  • Provision highly available storage 
  • Cluster resources, such as IP addresses and services 
  • Configure the cluster behavior using constraints 
  • Prepare a cluster for maintenance tasks 
  • Perform a rolling software upgrade 
  • Perform basic cluster troubleshooting 

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Course details

Section 1: Course Introduction
Course Objectives and Audience
Course Lab Environment Overview
Certification Options
Additional SUSE Training

Section 2: Introduction to SUSE Linux Enterprise High Availability Extension
Overview of the SUSE Linux Enterprise High Availability Extension
Cluster Terminology
Overview of the High Availability Extension’s Components

Section 3: Introduction to the Cluster Administration Tools
Overview of the Cluster Administration Tools
Introduction to Hawk2
Command Line Tools
Configure and Synchronize files with csync2

Section 4: Introduction to Cluster Resources
Introduction to Cluster Resources
Resource Agents
Resource Types

Section 5: Introduction to Cluster Constraints
Overview of Constraints
Location Constraints
Order Constraints
Colocation Constraints

Section 6: Deploy and Configure Cluster Managed Storage
Deploy and Configure Cluster Managed Storage
Configure Lock Management for Shared Storage
Deploy OCFS2
Deploy Clustered LVM
Deploy Clustered DRBD

Section 7: Deploy a Highly Available Workload
Cluster NFS using DRBD Storage
Test the Clustered NFS Configuration

Section 8: Maintenance Mode Options and Configuration
Overview of Maintenance Mode
Using Maintenance Mode
Shutting Down the Cluster

Section 9: Update the Cluster Node Software
Overview of the Update Process
Deploy System Updates

Section 10: Introduction to Troubleshooting
Overview of Troubleshooting a Cluster
Performing a Cluster Health Check
Command Line Troubleshooting Tools
Logs
Cluster Startup Configuration

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Prerequisites

Attendees should have:

  • A good knowledge of SLES15. Some familiarity with the basic concepts of clustering for HA would be useful but not required. 

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