Red Hat® High Availability Clustering (RH436) provides intensive, hands-on experience with the Pacemaker component of the Red Hat Enterprise Linux High-Availability Add-On, as well as cluster storage components from the Resilient Storage Add-On, including Cluster Logical Volume Manager (CLVM), Red Hat Global File System 2 (GFS2), and Device-Mapper Multipath.
This course is based on Red Hat Enterprise Linux 7.1.
Created for senior Linux® system administrators, this 5-day course strongly emphasizes lab-based activities. You'll learn how to deploy and manage shared storage and server clusters that provide highly available network services to a mission-critical enterprise environment.
This course also helps you prepare for the Red Hat Certified Specialist in High Availability Clustering exam (EX436).
Senior Linux system administrators responsible for maximizing resiliency through high-availability clustering services and using fault-tolerant shared storage technologies
- 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
- Configure GFS2 file systems
Impact on the individual
As a result of attending this course, students should 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 CLVM as appropriate, and GFS2 cluster file systems
Implement strategies to identify single points of failure in high availability clusters and eliminate them
Impact on the organization
This course is intended to develop the skills needed to produce highly available, more resilient, mission critical applications, resulting in reduced downtime and easier hardware maintenance.
Clusters and storage
Get an overview of storage and cluster technologies.
Create high-availability clusters
Review and create the architecture of Pacemaker-based high-availability clusters.
Nodes and quorum
Review cluster node membership and how quorum is used to control clusters.
Understand fencing and fencing configuration.
Create and configure simple resource groups to provide high-availability services to clients.
Troubleshoot high-availability clusters
Identify and troubleshoot cluster problems.
Complex resource groups
Control complex resource groups by using constraints.
Identify and work around two-node clusters issues.
Manage iSCSI initiators for access to shared storage.
Configure redundant storage access.
Logical volume manager (LVM) clusters
Manage clustered LV.
Global File System 2
Create symmetric shared file systems.
Eliminate single points of failure
Eliminate single points of failure to increase service availability.
Set up high-availability services and storage.
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