Red Hat Certified Specialist in High Availability Clustering Training

Red Hat Certified Specialist in High Availability Clustering

The Red Hat High Availability Clustering course provides advanced training on designing, managing, and troubleshooting Red Hat Clustering and high-availability (HA) clusters using Pacemaker. Participants will gain a comprehensive understanding of cluster technologies, storage solutions, and essential HA concepts. The course covers:

Cluster Node Management: Ensuring proper node membership and cluster integrity.
Quorum Decision-Making: Implementing quorum to make decisions within the cluster.
Fencing Configuration: Safeguarding cluster integrity by configuring fencing mechanisms.
Resource Groups Management: Creating and managing resource groups, including handling complex constraints.
Troubleshooting: Identifying and resolving cluster issues.
Two-Node Cluster Issues: Addressing common challenges in two-node configurations.
Storage Solutions: Configuring iSCSI initiators, multipath storage, and using Logical Volume Manager (LVM) in clustered environments.
GFS2: Managing clustered file systems to eliminate single points of failure.

The course includes practical exercises and a comprehensive review to prepare learners for maintaining high-availability services and ensuring business continuity.

Course Prerequisites

To effectively participate in the RH436 course, the following prerequisites are recommended:

Basic Understanding of Linux Command Line: Comfort with terminal commands and Linux file system navigation.
Fundamental Linux Administration Knowledge: Experience with tasks such as managing users, groups, permissions, and software packages.
Experience with Red Hat Enterprise Linux (RHEL): Prior experience or equivalent training (RH124 and RH134 courses).
Familiarity with Text Editors: Proficiency in using editors like vi or nano for configuration file modifications.
Networking Knowledge: Basic concepts of IP addressing, hostname resolution, and firewalls.
Logical Volume Manager (LVM): Awareness of disk management and LVM concepts.
Storage Devices Knowledge: Understanding of various storage types, including local and network-attached storage.

These prerequisites ensure that participants have a solid foundation for learning and applying high-availability clustering techniques with Red Hat technologies.

Target Audience

This course is ideal for:

System Administrators responsible for cluster management.
IT Architects designing high-availability solutions.
System Engineers involved in clustering and storage management.
DevOps Engineers working with HA environments.
Technical Support Specialists addressing clustering issues.
IT Professionals managing storage solutions.
Datacenter Managers overseeing infrastructure reliability.
Network Administrators managing network aspects of clusters.
Cloud Infrastructure Engineers working with cloud-based clusters.
Professionals in Red Hat Enterprise Linux Environments seeking advanced clustering skills.
Individuals pursuing RHCA (Red Hat Certified Architect) certification.
Technical Decision Makers planning high-availability solutions.
Disaster Recovery Specialists focused on ensuring business continuity.

Course Outline

1. Introduction to High Availability Clusters

Overview of high availability concepts and architecture.

2. Creating a Basic High Availability Cluster

Steps to set up a foundational high availability cluster.

3. Managing Cluster Nodes and Quorum

Manage node membership in the cluster.
Discuss the impact of quorum on cluster operations.

4. Isolating Malfunctioning Cluster Nodes

Techniques to isolate unresponsive nodes.
Strategies for protecting data and recovering services post-failure.

5. Creating and Configuring Resources

Create basic resources and resource groups for high availability services.

6. Troubleshooting High Availability Clusters

Identify common cluster issues.
Diagnose problems and implement fixes.

7. Automating Cluster and Resource Deployment

Deploy a new high availability cluster using Ansible automation.
Automate resource configuration and management.

8. Managing Two-Node Clusters

Operate and manage two-node clusters.
Identify and mitigate specific issues related to two-node configurations.

9. Accessing iSCSI Storage

Configure iSCSI initiators for block storage access from network storage arrays or Ceph clusters.

10. Accessing Storage Devices Resiliently

Implement configurations for resilient access to storage devices with multiple access paths.

11. Configuring LVM in Clusters

Select and manage the appropriate LVM configurations for clustering environments.

12. Providing Storage with the GFS2 Cluster File System

Use GFS2 to provide tightly coupled shared storage accessible by multiple nodes.

13. Eliminating Single Points of Failure

Identify and address single points of failure in the cluster architecture.
Strategies to enhance overall service availability.

14. Conclusion and Future Considerations

Discuss evolving technologies and practices in high availability clustering.

(4.4 Ratings)

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Industry experienced & certified trainers

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Download Course Contents

Cluster Node Management: Ensuring proper node membership and cluster integrity.
Quorum Decision-Making: Implementing quorum to make decisions within the cluster.
Fencing Configuration: Safeguarding cluster integrity by configuring fencing mechanisms.
Resource Groups Management: Creating and managing resource groups, including handling complex constraints.
Troubleshooting: Identifying and resolving cluster issues.
Two-Node Cluster Issues: Addressing common challenges in two-node configurations.
Storage Solutions: Configuring iSCSI initiators, multipath storage, and using Logical Volume Manager (LVM) in clustered environments.
GFS2: Managing clustered file systems to eliminate single points of failure.

The course includes practical exercises and a comprehensive review to prepare learners for maintaining high-availability services and ensuring business continuity.

Course Prerequisites

To effectively participate in the RH436 course, the following prerequisites are recommended:

Basic Understanding of Linux Command Line: Comfort with terminal commands and Linux file system navigation.
Fundamental Linux Administration Knowledge: Experience with tasks such as managing users, groups, permissions, and software packages.
Experience with Red Hat Enterprise Linux (RHEL): Prior experience or equivalent training (RH124 and RH134 courses).
Familiarity with Text Editors: Proficiency in using editors like vi or nano for configuration file modifications.
Networking Knowledge: Basic concepts of IP addressing, hostname resolution, and firewalls.
Logical Volume Manager (LVM): Awareness of disk management and LVM concepts.
Storage Devices Knowledge: Understanding of various storage types, including local and network-attached storage.

These prerequisites ensure that participants have a solid foundation for learning and applying high-availability clustering techniques with Red Hat technologies.

Target Audience

This course is ideal for:

System Administrators responsible for cluster management.
IT Architects designing high-availability solutions.
System Engineers involved in clustering and storage management.
DevOps Engineers working with HA environments.
Technical Support Specialists addressing clustering issues.
IT Professionals managing storage solutions.
Datacenter Managers overseeing infrastructure reliability.
Network Administrators managing network aspects of clusters.
Cloud Infrastructure Engineers working with cloud-based clusters.
Professionals in Red Hat Enterprise Linux Environments seeking advanced clustering skills.
Individuals pursuing RHCA (Red Hat Certified Architect) certification.
Technical Decision Makers planning high-availability solutions.
Disaster Recovery Specialists focused on ensuring business continuity.

Course Outline

1. Introduction to High Availability Clusters

Overview of high availability concepts and architecture.

2. Creating a Basic High Availability Cluster

Steps to set up a foundational high availability cluster.

3. Managing Cluster Nodes and Quorum

Manage node membership in the cluster.
Discuss the impact of quorum on cluster operations.

4. Isolating Malfunctioning Cluster Nodes

Techniques to isolate unresponsive nodes.
Strategies for protecting data and recovering services post-failure.

5. Creating and Configuring Resources

Create basic resources and resource groups for high availability services.

6. Troubleshooting High Availability Clusters

Identify common cluster issues.
Diagnose problems and implement fixes.

7. Automating Cluster and Resource Deployment

Deploy a new high availability cluster using Ansible automation.
Automate resource configuration and management.

8. Managing Two-Node Clusters

Operate and manage two-node clusters.
Identify and mitigate specific issues related to two-node configurations.

9. Accessing iSCSI Storage

Configure iSCSI initiators for block storage access from network storage arrays or Ceph clusters.

10. Accessing Storage Devices Resiliently

Implement configurations for resilient access to storage devices with multiple access paths.

11. Configuring LVM in Clusters

Select and manage the appropriate LVM configurations for clustering environments.

12. Providing Storage with the GFS2 Cluster File System

Use GFS2 to provide tightly coupled shared storage accessible by multiple nodes.

13. Eliminating Single Points of Failure

Identify and address single points of failure in the cluster architecture.
Strategies to enhance overall service availability.

14. Conclusion and Future Considerations

Discuss evolving technologies and practices in high availability clustering.

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