RH436 Red Hat High Availability Clustering

Opis

Cel

Impact on the organization

High availability clustering can improve reliability, availability, and resiliency of your mission-critical services, resulting in reduced downtime and easier hardware maintenance.

Red Hat has created this course in a way intended to benefit our customers, but each company and infrastructure is unique, and actual results or benefits may vary.

Impact on the individual

As a result of attending this course, you will be able to create, manage, and troubleshoot highly available network services and tightly-coupled cluster storage for business-critical applications.

Students should be able to demonstrate the following skills:

• Improve application uptime by using high availability clustering.
• Manage storage in an high availability environment using iSCSI initiators, HA-LVM or LVM Shared Volume Groups as appropriate, and GFS2 cluster file systems.
• Implement strategies to identify and eliminate single points of failure in high availability clusters.

Grupa docelowa

• Senior Linux system administrators who use high-availability clustering and fault-tolerant shared storage technologies to maximize resiliency of production services.

Wymagania

• Take our free assessment to gauge whether this offering is the best fit for your skills.
• EX200 Red Hat Certified System Administrator (RHCSA) exam and associated courses.
• EX294 Red Hat Certified Engineer (RHCE) exam and associated courses.

Konspekt

1. Creating high availability clusters
   • Create a basic high availability cluster.
2. Managing cluster nodes and quorum
   • Manage node membership in the cluster and describe how it impacts cluster operation.
3. Isolating malfunctioning cluster nodes
   • Isolate unresponsive cluster nodes to protect data and recover services and resources after a failure.
4. Creating and configuring resources
   • Create basic resources and resource groups to provide highly available services.
5. Troubleshooting high availability clusters
   • Identify, diagnose, and fix cluster issues.
6. Automating cluster and resource deployment
   • Deploy a new high availability cluster and cluster resources using Ansible automation.
7. Managing two-node clusters
   • Operate two-node clusters while identifying and avoiding issues specific to a two-node cluster configuration.
8. Accessing iSCSI storage
   • Configure iSCSI initiators on your servers to access block-based storage devices provided by network storage arrays or Ceph storage clusters.
9. Accessing storage devices resiliently
   • Configure resilient access to storage devices that have multiple access paths.
10. Configuring LVM in clusters
    • Select, configure, and manage the correct LVM configuration for use in your cluster.
11. Providing storage with the GFS2 cluster file system
    • Use the GFS2 cluster file system to simultaneously provide tightly coupled shared storage that can be accessed by multiple nodes.
12. Eliminating single points of failure
    • Identify and eliminate single points of failure in your cluster to decrease risk and increase average service availability.

Uwagi

Szkolenie trwa 4 dni (classroom) lub 5 dni (VT).

Recommended next exam or course:

• EX436 Red Hat Certified Specialist in High Availability Clustering exam
• RH358 Red Hat Services Management and Automation
• RH442 Red Hat Performance Tuning: Linux in Physical, Virtual, and Cloud

Technology considerations

• Internet access is required.

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For more details, please contact us at osec@osec.pl