Enterprise Linux High Availability Clustering

LNX-124 (5 Days)

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Enterprise Linux Training Overview

This Enterprise Linux High Availability Clustering training focuses on two key areas: Linux high availability (HA) clustering and HA storage administration. Attendees learn how to make use of clustered storage technologies to enable active/active configurations.

Location and Pricing

Most Accelebrate courses are taught as private, customized training for 3 or more attendees at our clients' sites worldwide. In addition, we offer live, private online classes for teams who may be in multiple locations or wish to save on travel costs. Please visit our client list for organizations for whom we have delivered onsite training. To receive a customized proposal and price quote for private on-site or online training, please contact us.

Enterprise Linux Training Objectives

All students will:

  • Assemble a realistic three-node Linux cluster utilizing best practices. Each node has three network interfaces and each student's cluster has its own dedicated cluster VLAN.
  • Perform very real-world tasks in a real-world setting, including multipathing, redundant ring communication, last man standing cluster, and shared storage scenarios.
  • Work with Cluster Architecture & Design, Pacemaker, Corosync, Fencing, Resource Management, Advanced Resource Management, Multipathing, Cluster LVM, and Global File System v2.

Enterprise Linux Training Outline

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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
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
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
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_*
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
Storage Technologies
  • Remote Storage Overview
  • Remote Filesystem Protocols
  • Remote Block Device Protocols
  • Distributed Lock Manager
  • dlm_controld & dlm_tool
  • Block Devices and the Device Mapper
  • Managing Loopback 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
Kernel Device Management
  • Managing Linux Device Files
  • Kernel Hardware Info – /sys/
  • /sys/ Structure
  • udev
  • I/O Elevators
Device Mapper and Multipathing
  • SAN Multipathing
  • Multipath Configuration
  • Multipathing Best Practices
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
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
Conclusion
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Lecture percentage

50%

Lecture/Demo

Lab percentage

50%

Lab

Course Number:

LNX-124

Duration:

5 Days

Prerequisites:

This course requires advanced knowledge of Linux system administration as taught in Accelebrate’s Linux Fundamentals and Enterprise Linux Systems Administration.

Training Materials:

All Linux training attendees receive comprehensive courseware and a related textbook.

Software Requirements:

  • Windows, Mac, or Linux PCs with at least 8 GB RAM
  • Accelebrate can provide a VirtualBox or VMware environment with all software needed for the class
    • This class can be taught using the Linux distribution of your choice
  • Please contact us for further setup details

Contact Us:

Accelebrate’s training classes are available for private groups of 3 or more people at your site or online anywhere worldwide.

Don't settle for a "one size fits all" public class! Have Accelebrate deliver exactly the training you want, privately at your site or online, for less than the cost of a public class.

For pricing and to learn more, please contact us.

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