Red Hat Linux High Availability Clustering



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Course Content:

Introduction

What is clustering & cluster types?

Advantages of Clustering Servers

Concepts and techniques

Resource and resource groups

Failover, Fencing, Shared Storage, Quorum

Cluster Architecture

Lab Setup using KVM Environment

Configuring a Basic Cluster

Configuring a fencing agent using KVM host mahcine

Troubleshooting fencing device

Managing Cluster Nodes

Starting & Stopping Cluster Services

Enabling & Disabling the Cluster Services

Adding & Removing A Cluster Node

The Standby & unstandby Nodes

Quorum Operations

Lab Session on quorum

Managing Quorum Calculations

Cluster Setup Switches

1) wait_for_all

2) auto_tie_breaker

Creating and Configuring Resources

Create and configure high-availability resources.

Creating a clustered Apache service

Managing Resources

Troubleshooting High-Availability Cluster

Inspect and configure cluster logging

Troubleshooting resource failures

Troubleshooting cluster network issues

Complex Resource Group

Configuring an Active/Passive NFS Resource Group

Lab Session

Managing Constraints

Types of constraints:

Order, Location & Colocation Constraint

Practice Lab Session

Two Node Cluster Issues

No room for node failure

Split Brain

Fence death/fence racing

The cluster does not start until both nodes have started.

Practice Lab Session

Managing iSCSI Initiators

iSCSI fundamentals

Configuring an iSCSI Server

Several types of backing Storage

block, fileio, pscsi & ramdisk

Creating iSCSI Target

Lab Session to create a block backstore from the targetcli shell

Managing High Availability Logical Volumes

Clustered LVM & HA-LVM

Lab Session to shared a disk (lun) to all cluster nodes

Practice Lab Session on HA-LVM

Managing Clustered Logical Volumes

Active/Active configuration of logical volumes

Distributed Lock Manager (DLM) for lock management

clvmd daemon

Practice Lab Session

Global File System 2 (GFS2)

GFS2 concepts

Creating a GFS2 formatted Cluster File Systems

Managing a GFS2 File System

Managing a GFS2 Resource in the cluster

Growing & Repairing a GFS2 File System

Regards,
Shikhar Verma
+91-9999668250 (Whatsapp)

source
redhat linux

Devin BARTON

Devin BARTON

I am an avid Linux lover and open source enthusiast. I use Ubuntu and believe in sharing knowledge. Apart from Linux, I love classic detective mysteries.

8 thoughts on “Red Hat Linux High Availability Clustering

  • Avatar
    November 7, 2020 at 3:39 pm
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    Hey Sikhar I really appreciated with your efforts want to enhance my skill sets at cluster level.can you please provide me training of redhat cluster.

    Reply
  • Avatar
    November 7, 2020 at 3:39 pm
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    How to install pacemaker-corosync from source code, what steps do i need to follow??
    I have cloned code from GitHub and followed steps given on github but i am unable to resolve dependency. Please help me out

    Reply
  • Avatar
    November 7, 2020 at 3:39 pm
    Permalink

    Dear All,

    Hope this message finds you well !!!

    This is my pleasure to announce that my new course module "Red Hat High Availability Clustering" is live now on udemy platform and this course helps you to understand high availability clustering by providing a strong concept and hands-on experience with Pacemaker and Corosync components of Red Hat / CentOS Enterprise High Availability Cluster and this course is aimed at senior Linux system administrators responsible for maximizing the fault tolerance though high availability clustering services.

    This course module is helpful for students who is Preparing Red Hat High Availability Clustering (RH436) Certification.

    Objective of this course is design and deploy a high availability cluster to provide active/passive or active/active services using HA Pacemaker.

    Course Name: Linux High Availability Clustering

    Course Link: https://www.udemy.com/linux-high-availability-cluster/?couponCode=APROFFERCLUST90

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    Outline for this course

    ⦁ Introduction

    ⦁ What is clustering & cluster types?

    ⦁ Advantages of Clustering Servers

    ⦁ Concepts and techniques

    ⦁ Resource and resource groups

    ⦁ Failover, Fencing, Shared Storage, Quorum

    ⦁ Cluster Architecture

    ⦁ Lab Setup using KVM Environment

    ⦁ Configuring a Basic Cluster

    ⦁ Configuring a fencing agent using KVM host mahcine

    ⦁ Troubleshooting fencing device

    ⦁ Managing Cluster Nodes

    ⦁ Creating and Configuring Resources

    ⦁ Troubleshooting High-Availability Cluster

    ⦁ Complex Resource Group

    ⦁ Managing Constraints

    ⦁ Two Node Cluster Issues

    ⦁ Managing iSCSI Initiators

    ⦁ Managing High Availability Logical Volumes

    ⦁ Managing Clustered Logical Volumes

    ⦁ Global File System 2 (GFS2)

    Please have a look on my other Technical Courses with promotional offer.

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    This course is aimed at senior system administrators who wish to learn more about troubleshooting and get hands on experience with various lab sessions from professional IT Trainer.

    This course module is helpful for students who is Preparing Red Hat Linux Diagnostics & troubleshooting (RH342) Certification.

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    2. The RHCE Training Syllabus comprises of 3 Module , first two module is from RHCSA Part (RH124 , RH134), if you go with Red Hat System Administration III (RH254) course then it will be RHCE Training.

    RHCSA : Red Hat Certified System Administrator

        Red Hat Certified System Admin – SA1

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    RHCE : Red Hat Certified Engineer

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    a). Red Hat Certified System Administration – SA1

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    Please message me,if you have any confusion or need any assistance or require discounted coupon for my other course modules.

    Thank You

    Shikhar Verma
    +91-9999668250 (whatsapp)

    Reply
  • Avatar
    November 7, 2020 at 3:39 pm
    Permalink

    Hi I am a DBA with interest for Linux
    I have done basic training admin 1 and 2 and am looking for a book or course that specifically teaches me crash recovery, backup and restore. Can you recommend me something? Thanks in advance

    Reply
  • Avatar
    November 7, 2020 at 3:39 pm
    Permalink

    Cluster setup it's related to RHEL 6 or RHEL 7 because both version cluster packages are different

    Reply

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