Red Hat High Availability Clustering With Exam Training

The intensive, hands-on Red Hat® High Availability Clustering (RH436) course teaches storage management, the Red Hat High Availability Add-On, and the shared storage technology delivered by Red Hat Global File System 2 (GFS2) and Red Hat Gluster Storage. Created for senior Linux® system administrators, this 4-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.
Course Details


5 days


RHCE certification or equivalent experience

Target Audience

  • Experienced Linux system administrators responsible for managing shared storage across 1 or more Linux systems
  • Experienced Linux system administrators responsible for maintaining a high-availability service using cluster technology
  • RHCEs interested in earning a Red Hat Certificate of Expertise, a Red Hat Certified Datacenter Specialist (RHCDS) or a Red Hat Certified Architect (RHCA) credential

Skills Gained

  • Setup and management of high-availability clustered services with Red Hat Cluster Suite
  • Providing iSCSI targets with Red Hat Enterprise Linux
  • Customization and control of device files with udev
  • Storage I/O multipath with device mapper
  • Using cluster Logical Volume Management (LVM)
  • Configuration and use of the Red Hat Global File System cluster file system for shared storage
Course Outline
  • Storage technologies
    • Storage Requirements
    • NAS vs. SAN
  • iSCSI
    • iSCSI as a shared storage device
    • Configuring an iSCSI initiator
    • Configuring an iSCSI target
    • Authentication
  • Kernel Device Management
    • udev features
    • udev rule configuration
    • I/O scheduler
  • Device mapper and multipathing
    • Mapping targets
    • Multipath device configuration
  • Red Hat Cluster Suite overview
    • Design and elements of clustering
    • Cluster configuration tools
  • Logical Volume Management
    • LVM review
    • Setting up clusered logical volumes
  • Global File System (GFS) 2
    • Implementation and configuration
    • Lock management
    • Planning for and growing online GFS
    • Monitoring tools
    • Journal configuration and management
  • Quorum and the cluster manager
    • Intracluster communication
    • Cluster tools
  • Fencing and failover
    • Fencing components
    • Failover domains
  • Quorum disk
    • Heuristic configuration
  • Resource Group Manager (rgmanager)
    • Resource groups and recovery
    • Hierarchical resource ordering
    • High-availability services