Introduction
- LPI 304 / RHCA 423 Exam Overview
- Setting up a Lab Environment
Module 1: High Availability Essentials
Module Introduction
Lesson 1: Linux Clustering Solutions Overview
Learning objectives
1.1 HA Clusters
1.2 Load Balancing Clusters
1.3 High Performance Clusters
Summary
Lesson 2: Understanding HA Clustering Needs
Learning objectives
2.1 Example: Creating an HA Solution for a Web Server
2.2 Shared Storage
2.3 Quorum
2.4 Fencing
2.5 Understanding Active/Passive vs. Active/Active
2.6 Setting up an HA Architecture
Summary
Module 2: Linux HA Clustering
Module Introduction
Lesson 3: Software Solutions Overview
Learning objectives
3.1 Heartbeat
3.2 Red Hat Cluster Suite: cman and rgmanager
3.3 Heartbeat 2.0 and CRM
3.4 Managing the Membership Layer: Corosync
3.5 Managing Cluster Resources: Pacemaker
3.6 Current State: Mainstream Pacemaker and Red Hat pcs
Summary
Lesson 4: Configuring the Membership Layer
Learning objectives
4.1 Setting up Multicast-based Corosync on SUSE
4.2 Setting up Unicast-based Corosync on Red Hat
4.3 Tuning Corosync Options
4.4 Using udpu in Corosync
Lesson 4 Labs Configuring Corosync on SUSE and Configuring Corosync on Red Hat
Lesson 4 Lab 1 Solution Configuring Corosync on SUSE
Lesson 4 Lab 2 Solution Configuring Corosync on Red Hat
Summary
Lesson 5: Working with Pacemaker
Learning objectives
5.1 Understanding Pacemaker Components
5.2 Managing the Cluster with crmsh
5.3 Managing the Cluster with pcs on Red Hat
5.4 Managing the Cluster with HAWK
5.5 Configuring Generic Cluster Properties
5.6 Working with Resource Agents
Lesson 5: Labs Setting up an HA Web Server Using crmsh and Setting up an HA Web Server Using pcs
Lesson 5: Lab 1 Solution Setting up an HA Web Server Using crmsh
Lesson 5: Lab 2 Solution Setting up an HA Web Server Using pcs
Summary
Lesson 6: Managing Fencing
Learning objectives
6.1 Understanding Quorum
6.2 Managing Quorum
6.3 Understanding the Need for Fencing
6.4 Understanding the Different Types of Fence Agents
6.5 Configuring Fencing on Red Hat
6.6 Configuring the Red Hat fence_xvm Device
6.7 Configuring Nested Fencing on Red Hat
6.8 Configuring the SBD Device on SUSE
6.9 Verifying Fencing Functionality
Lesson 6: Labs Configuring Fencing on SUSE and Configuring Fencing on Red Hat
Lesson 6: Lab 1 Solution Configuring Fencing on SUSE
Lesson 6: Lab 2 Solution Configuring Fencing on Red Hat
Summary
Lesson 7: Resource Management
Learning objectives
7.1 Understanding Resource Types
7.2 Managing Resources
7.3 Managing Resource Constraints
7.4 Working with Groups
7.5 Working with Clones
7.6 Managing Failed Resources
Lesson 7: Labs Working with Resource Groups and Constraints in pcs and Working with Resource Groups and Constraints in crm
Lesson 7: Lab 1 Solution Working with Resource Groups and Constraints in pieces
Lesson 7: Lab 2 Solution Working with Resource Groups and Constraints in crm
Summary
Lesson 8: Operational Cluster Management
Learning objectives
8.1 Managing Resource States
8.2 Managing Node Membership States
8.3 Managing Node States
8.4 Migrating Resources
8.5 About Resource Cleanup
8.6 Cluster Logging
8.7 Setting up Cluster Notifications
Lesson 8: Labs Managing Resources with pcs and Managing Resources with crmsh
Lesson 8: Lab 1 Solution Managing Resources with pcs
Lesson 8: Lab 2 Solution Managing Resources with crmsh
Summary
Module 3: Cluster Storage
Module Introduction
Lesson 9: Configuring DRBD
Learning objectives
9.1 Understanding DRBD
9.2 Setting up a DRBD Device
9.3 Managing DRBD
9.4 Integrating DRBD in the Pacemaker Cluster
Lesson 9: Lab Creating an Active/Passive DRBD Device
Lesson 9: Lab Solution Creating an Active/Passive DRBD Device
Summary
Lesson 10: Configuring an iSCSI SAN
Learning objectives
10.1 Understanding iSCSI SAN
10.2 Configuring an iSCSI Target
10.3 Managing an iSCSI Initiator
10.4 Managing iSCSI Timeouts
10.5 Understanding Cluster Based iSCSI
Lesson 10: Lab Configuring an HA iSCSI Target on top of DRBD
Lesson 10: Lab Solution Configuring an HA iSCSI Target on top of DRBD
Summary
Lesson 11: Managing Multipath
Learning objectives
11.1 Understanding Multipath
11.2 Configuring Multipath
11.3 Multipath Testing
Lesson 11: Lab Setting up Multipath for iSCSI
Lesson 11: Lab Solution Setting up Multipath for iSCSI
Summary
Lesson 12: Working with LVM in a Cluster
Learning objectives
12.1 LVM Overview
12.2 Understanding Cluster LVM Challenges
12.3 Understanding HA LVM
12.4 Setting up HA LVM
12.5 Understanding cLVM
12.6 Setting up cLVM
Lesson 12: Lab Configuring HA LVM
Lesson 12: Lab Solution Configuring HA LVM
Summary
Lesson 13: Managing GFS2 in a Red Hat Cluster
Learning objectives
13.1 GFS2 Overview
13.2 Creating a GFS2 File System
13.3 Managing a GFS2 File System
13.4 Managing GFS2 Cluster Resources
Lesson 13: Lab Creating a GFS2 Cluster Resource on top of cLVM
Lesson 13: Lab Solution Creating a GFS2 Cluster Resource on top of cLVM
Summary
Lesson 14: Managing OCFS2
Learning objectives
14.1 OCFS2 Overview
14.2 Creating a Cluster Managed OCFS2 File System
14.3 Managing an OCFS2 File System
Lesson 14: Lab Creating an OCFS2 File System on top of cLVM
Lesson 14: Lab Solution Creating an OCFS2 File System on top of cLVM
Summary
Module 4: Configuring Advanced HA Solutions
Module Introduction
Lesson 15: Configuring an HA Apache Web Server
Learning objectives
15.1 Introduction
15.2 Understanding 2-Node Cluster Issues
15.3 Setting up Fencing
15.4 Setting up the Shared LVM Storage
15.5 Creating the Apache Resource Group
15.6 Managing Constraints
Summary
Lesson 16: Configuring an HA NFS Solution
Learning objectives
16.1 Introduction
16.2 Setting up the Cluster and Storage Layer
16.3 Setting up the NFS Service
16.4 Configuring Resource Constraints
16.5 Testing the Solution
Summary
Lesson 17: Managing Legacy Red Hat Clustering
Learning objectives
17.1 Understanding Legacy RHCS Architecture
17.2 Setting up the Base Cluster
17.3 Managing Quorum
17.4 Configuring Fencing
17.5 Creating Resources and Services
Lesson 17: Lab Configuring an HA Apache Web Server
Lesson 17: Lab Solution Configuring an HA Apache Web Server
Summary
Module 5: Load Balancing
Module Introduction
Lesson 18: Managing Load Balancing Solutions
Learning objectives
18.1 Understanding Load Balancing
18.2 Setting up DNS Round Robin Load Balancing
18.3 Using LVS
18.4 Understanding HAProxy
18.5 Configuring HAProxy as a Layer 7 Load Balancer
18.6 Setting up Keepalived
18.7 Managing Director
Lesson 18: Lab Configuring a Load Balancing Cluster
Summary
Summary
Linux High Availability: Summary
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