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Red Hat High Availability Clustering
Course Description
Overview
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.
Course description
Deploy reliable, available critical production services in a high availability cluster
In the Red Hat High Availability Clustering (RH436) course, you will learn how to provide highly available network services to a mission-critical enterprise environment through the deployment and management of shared storage and server clusters. Created for senior Linux system administrators, this 4-day course strongly emphasizes lab-based activities.
You will set up a cluster of systems running the Pacemaker component of the Red Hat Enterprise Linux High-Availability Add-On, and deploy Linux-based services such as web servers and databases on that cluster. Cluster storage components from the Resilient Storage Add-On are also covered; installations and applications that require multiple cluster nodes can access the same storage simultaneously. This includes Logical Volume Manager (LVM) Shared Volume Groups, Red Hat Global File System 2 (GFS2), and Device-Mapper Multipath.
Following course completion, you will receive a 45-day extended access to hands-on labs for any course that includes a virtual environment.
Note: This course is offered as a five day virtual class or self-paced. Durations may vary based on the delivery.
Objectives
- 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.
- Install and configure a Pacemaker-based high availability cluster.
- Create and manage highly available services.
- Troubleshoot common cluster issues.
- Work with shared storage (iSCSI) and configure multipathing.
- Implement Logical Volume Manager (LVM) in cluster-aware configurations.
- Configure GFS2 file systems on storage shared by multiple nodes.
Audience
Prerequisites
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Prerequisites for this course
- Take our free assessment to gauge whether this offering is the best fit for your skills.
- Red Hat Certified System Administrator (RHCSA) exam (EX200) and associated courses.
- Red Hat Cerfitied Engineer (RHCE) exam (EX294) and associated courses.
- Internet access is required.
Topics
- Create a basic high availability cluster.
- Manage node membership in the cluster and describe how it impacts cluster operation.
- Isolate unresponsive cluster nodes to protect data and recover services and resources after a failure.
- Create basic resources and resource groups to provide highly available services.
- Identify, diagnose, and fix cluster issues.
- Deploy a new high availability cluster and cluster resources using Ansible automation.
- Operate two-node clusters while identifying and avoiding issues specific to a two-node cluster configuration.
- Configure iSCSI initiators on your servers to access block-based storage devices provided by network storage arrays or Ceph storage clusters.
- Configure resilient access to storage devices that have multiple access paths.
- Select, configure, and manage the correct LVM configuration for use in your cluster.
- Use the GFS2 cluster file system to simultaneously provide tightly coupled shared storage that can be accessed by multiple nodes.
- Identify and eliminate single points of failure in your cluster to decrease risk and increase average service availability.
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Self-Paced Training Info
Learn at your own pace with anytime, anywhere training
- Same in-demand topics as instructor-led public and private classes.
- Standalone learning or supplemental reinforcement.
- e-Learning content varies by course and technology.
- View the Self-Paced version of this outline and what is included in the SPVC course.
- Learn more about e-Learning
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Self-Paced Training Terms & Conditions
ONCE YOU ARE ENROLLED IN THIS COURSE YOU WILL NOT BE ABLE TO CANCEL YOUR ENROLLMENT. You are billed for the course when you submit the enrollment form. Self-Paced Virtual Classes are non-refundable. Once you purchase a Self-Paced Virtual Class, you will be charged the full price.
This is a Red Hat Self-paced subscription; it is intended for students who do not need the support of a classroom instructor. If you feel you would better benefit from having access to a Subject Matter Expert, please check to see if an Instructor-Led version is available.
- Students will receive an access code within 1-3 business days.
- Students have access to the course 24/7 and will need to read and follow all instructions carefully to complete the course successfully within their allotted time.
The Term of a Self-paced Subscription is ninety (90) days from the start date selected at the time of order. While Client may not reschedule the start date of a Self-paced subscription, the start date may be scheduled up to ninety (90) days after the effective date of purchase, if agreed in writing.
Interruption of service shall not be cause to modify the Term of the subscription. Any adjustment to the Term of the subscription will be at the sole discretion of Red Hat.
Right of cancellation by Red Hat: If the Named Participant or Client violates the terms of use of a Self-paced subscription, such as by allowing multiple users access to a single Named Participant’s materials, Red Hat may cancel a Self-paced subscription, prior to its expiration, without refund.
Self-paced Subscription Renewals: A Self-paced Subscription may be renewed, upon mutual agreement of the Client and Red Hat, for successive ninety (90) day Terms. Renewal of the Subscription will be at the list price for the Subscription, at the time of renewal, unless otherwise approved by Red Hat or a Red Hat Authorized Reseller Partner.
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