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Enterprise Linux High Availability Clustering

Course content updated by LearnQuest
Price
2,340 USD
4 Days
OSUN-645
Classroom Training, Online Training
Open Source
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Course Description

Overview

This Enterprise Linux High Availability Clustering course is designed to provide students with advanced knowledge of the Enterprise Linux System. Is an in-depth course that focuses on two key areas, Linux high availability (HA) clustering and HA storage administration.

Red Hat Enterprise Linux 7

 

Objectives


 

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Prerequisites

    • This Enterprise Linux High Availability Clustering course requires an advanced knowledge of Linux system administration. These skills are taught in the OSUN-225 “Enterprise Linux Systems Administration' and OSUN-120 “Linux Fundamentals'.

Topics

INTRODUCTION TO CLUSTERING AND STORAGE MANAGEMENT
  • Clustering Introduction
  • Cluster Building Blocks
  • Shared Storage
  • Hardware and Software Requirements
  • Network Considerations
  • Split Brain Prevention with Fencing
  • HA Components
  • Clustered Resources
  • Configuration Tools
  • Red Hat Cluster Stack Roadmap
  • Running Commands on Multiple Systems
  • Lab Tasks
    • Running Commands on Multiple Hosts
    • Prepare System for Clustering
    • Static Network Configuration
COROSYNC AND QUORUM MANAGEMENT
  • Vocabulary
  • Network Topology
  • Ethernet Bonding
  • Communication Methods
  • IPv6 Considerations
  • Cluster Node Preparation
  • Enable and Configure pcsd
  • PCS & PCSD
  • Cluster Quorum
  • Advanced Quorum Techniques
  • Corosync
  • Corosync - Redundant Ring Protocol (RRP)
  • Corosync Security
  • Joining and Leaving the Cluster
  • Quorum Administration
  • Upgrading
  • Lab Tasks
    • Install Cluster Components
    • Setup a Two Node Cluster
    • Setup a Three Node Cluster with PCS
    • Totem RRP
    • PCS GUI
STONITH AND FENCING
  • Fencing Introduction
  • Node Level Fencing
  • Node Fencing: External
  • Node Fencing: Internal
  • Node Fencing: Pseudo
  • Resource Level Fencing
  • Fencing Architecture
  • STONITH Subsystem
  • Fencing Agents
  • Fencing Agents listing
  • STONITH Resources
  • Working With stonith_admin
  • Manual Fencing
  • Best Practices
  • Lab Tasks
    • Suicide Fencing with Storage Based Death
    • Fencing with fence_scsi
PACEMAKER CLUSTER RESOURCE MANAGER
  • Cluster Architecture Revisited
  • Pacemaker Architecture
  • Pacemaker Cluster Information Base (CIB)
  • Resource Management Overview
  • Component Relationships
  • Resource Agents
  • Types of Resources
  • Resource Naming Conventions
  • Resource Specific Parameters/Options
  • Resource Meta Parameters/Options
  • Resource Agent Operations
  • Discover Resource Agents
  • Available Resource Agents
  • Resource Spotlight: IPAddr2
  • Add a Primative Resource
  • Resource Group Management
  • Resource Group Example
  • Resource Actions: Monitoring
  • Resource Administration
  • PCS vs. CRM_*
  • Lab Tasks
    • Simple Management with PCS-GUI
    • Using Resource Groups
ADVANCED RESOURCE CONFIGURATION
  • Resource Placement Basics
  • Resource Ordering
  • Location Constraints
  • Relocating Resources
  • Relocation on Failure
  • Resource Standard: Clones & Multi-State
  • Resource Operations
  • Troubleshooting
  • Cluster Maintenance
  • Lab Tasks
    • Setup a Web Farm
    • Using Constraints
    • Cluster Monitoring
STORAGE TECHNOLOGIES
  • Remote Storage Overview
  • Remote Filesystem Protocols
  • Remote Block Device Protocols
  • Distributed Lock Manager
  • Block Devices and The Device Mapper
  • Managing Loopback Devices
  • DLM_CONTROLD & DLM_TOOL
  • Lab Tasks
    • Manipulating Block Devices
ISCSI
  • ISCSI Architecture
  • ISCSI Target Implementations
  • ISCSI Target Node Preparation & targetcli
  • ISCSI Target Administration
  • ISCSI Target Defining Storage Objects
  • ISCSI Target LUN Administration
  • ISCSI Target Network Portal Configuration
  • ISCSI Target Security
  • ISCSI Target Examples
  • OPEN-ISCSI Initiator Implementation
  • ISCSI Initiator Discovery
  • ISCSI Initiator Node Administration
  • Mounting ISCSI Targets at Boot
  • ISCSI Multipathing Considerations
  • Lab Tasks
    • iSCSI Initiator Configuration
KERNEL DEVICE MANAGEMENT
  • Managing Linux Device Files
  • Kernel Hardware Info €“ /SYS/
  • /SYS/ Structure
  • UDEV
  • I/O Elevators
  • Lab Tasks
    • Creating Custom UDEV Rules
DEVICE MAPPER AND MULTIPATHING
  • SAN Multipathing
  • Multipath Configuration
  • Multipathing Best Practices
  • Lab Tasks
    • Multipath Configuration
ADVANCED LVM & CLUSTER LVM
  • Logical Volume Management
  • Implementing LVM
  • Creating Logical Volumes
  • Activating LVM VGs
  • Exporting and Importing a VG
  • Examining LVM Components
  • Changing LVM Components
  • Advanced LVM Overview
  • Advanced LVM: Components & Object Tags
  • Advanced LVM: Automated Storage Tiering
  • Advanced LVM: Thin Provisioning
  • Advanced LVM: Striping & Mirroring
  • Advanced LVM: RAID Volumes
  • cLVM
  • Lab Tasks
    • Creating and Managing LVM Volumes
    • cLVM
GLOBAL FILE SYSTEM (GFS) 2
  • GFS2 Overview
  • GFS2 Capabilities
  • GFS2 Theory of Operation
  • GFS2 Configuration Prerequisites
  • Setting Up Cluster LVM
  • GFS2 Filesystem Creation & Mounting
  • GFS2 Filesystem Management
  • GFS2 Fencing Requirement
  • Lab Tasks
    • GFS2
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