Course Content
This course teaches students to deploy and administer the SUSE Linux Enterprise High Availability 15 product. The course introduces the product features and implementation planning for both on premise and the public cloud. A SLE15 HA cluster is deployed and then applications and clustered storage are configured, tested and administered.
This course prepares students for the SCA+ in SUSE Linux Enterprise High Availability exam.
Who should attend
This course is designed for existing Linux administrators who want to configure highly available services using SUSE Linux Enterprise HA. This course provides a foundation for deploying SAP on SLE 15 HA.
Certifications
This course is part of the following Certifications:
Prerequisites
Students require a good knowledge of SLES15. Some familiarity with the basic concepts of clustering for HA would be useful but not required.
Course Objectives
During this course you will learn to:
- Plan and prepare to implement a SLE HA cluster
- Install SLE HA and create a Corosync/Pacemaker cluster
- Administer a cluster using Web and CLI tools
- Configure node fencing
- Cluster basic resources, such as IP addresses and services
- Provision cluster storage
- Configure the cluster behavior using constraints
- Perform basic cluster troubleshooting
Outline: Deploying and Administering SUSE Linux Enterprise High Availability 15 (SLE321V15)
- Section 1: Introduction
- Agenda
- Course Overview
- Lab Environment
- Section 2: Introduction to SUSE Linux Enterprise HA
- Overview of SUSE Linux Enterprise HA
- Why Should I Consider Implementing a Cluster?
- Cluster Terminology
- An Overview of the HA Architecture
- SLE HA in Public Cloud Environments
- Section 3: Cluster Implementation Requirements
- Overview of SLE15 HA Implementation Process
- Collect the Required Parameters
- Determine Expectations
- Planning Storage
- 2 Node Clusters, a Special Case
- Differences between SLE 12 and SLE 15
- Designing Test Cases
- Testing and Documentation
- Section 4: Cluster Node Preparation
- Local Filesystems
- Preparing the Infrastructure
- Cluster Networking
- Bonding Configuration
- Time Synchronization
- Name Resolution
- User Management
- Software Management for the HA Environment
- Updating Cluster Nodes
- Section 5: Deploy a Cluster
- Preparation Checklist
- Cluster setup step by step
- Secure Cluster Communications
- Section 6: Administer the HA Cluster
- Overview of the Cluster Administration Tools
- Introduction to Hawk
- Command Line Tools
- Configure and Synchronize files with csync2
- Section 7: Configure Fencing
- Understand Split Brain
- Understand Fencing
- STONITH
- Fencing using BMC