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Exam Information
Official specifications published by Red Hat
Exam Format
180 min
Specialist (counts toward Red Hat Certified Architect / RHCA)
Registration
Red Hat individual exam delivery (see Red Hat Certification Central for current delivery formats)
Validity
See Red Hat Certification renewal policy (https://www.redhat.com/en/services/certification/renewal). Not asserted here to avoid fabrication.
Follow Red Hat Certification renewal policy
EX436 Exam Topics and Domains
EX436 is organized into 8 weighted domains. Expect to work with pcs stonith, gfs2-utils, iscsiadm, lvmlockd, and more.
1
Configure a high-availability cluster
Install and bootstrap the cluster
Install high availability clusteringInstall and configure a high availability cluster either manually or using AnsibleConfigure cluster quorum options
- Install high availability clustering
- Install and configure a high availability cluster either manually or using Ansible
- Configure cluster quorum options
2
Configure cluster fencing
Fencing (STONITH) configuration and validation
Configure standard fence mechanisms such as fence_ipmilanTest fencing configurations using standard toolsConfigure fencing so that any cluster member can fence any other cluster member
- Configure standard fence mechanisms such as fence_ipmilan
- Test fencing configurations using standard tools
- Configure fencing so that any cluster member can fence any other cluster member
3
Configure cluster logging and monitoring
Cluster logging
Configure cluster logging so that each node system activity is logged to a separate fileConfigure cluster logging so that logging messages will be forwarded to journald
- Configure cluster logging so that each node system activity is logged to a separate file
- Configure cluster logging so that logging messages will be forwarded to journald
4
Configure cluster monitoring
Monitoring, alerts and notifications
Create and configure a cluster monitoring resourceLog cluster events and send notification emails to a specific addressConfigure cluster alerts
- Create and configure a cluster monitoring resource
- Log cluster events and send notification emails to a specific address
- Configure cluster alerts
5
Configure a clustered fail-over service
Highly available services and resource groups
Create and configure a cluster highly available serviceConfigure a specific resource groupConfigure services to use shared storageConfigure services to use a specific IP
- Create and configure a cluster highly available service
- Configure a specific resource group
- Configure services to use shared storage
- Configure services to use a specific IP
6
Configure cluster service behavior
Constraints and failover behavior
Restrict where services runConfigure service failover behavior
- Restrict where services run
- Configure service failover behavior
7
Configure storage
Shared and highly available storage
Configure an iSCSI initiatorCreate and configure shared storage using provided iSCSI volumesConfigure multipath access to shared storageConfigure shared LVM devicesConfigure highly available LVM devices
- Configure an iSCSI initiator
- Create and configure shared storage using provided iSCSI volumes
- Configure multipath access to shared storage
- Configure shared LVM devices
- Configure highly available LVM devices
8
Configure GFS2 filesystems
GFS2 cluster filesystem lifecycle
Create GFS2 filesystems on logical volumesConfigure GFS filesystems to be shared between multiple nodes simultaneouslyManage GFS2 filesystemsAdd journals to existing GFS2 filesystemsGrow a GFS2 filesystem
- Create GFS2 filesystems on logical volumes
- Configure GFS filesystems to be shared between multiple nodes simultaneously
- Manage GFS2 filesystems
- Add journals to existing GFS2 filesystems
- Grow a GFS2 filesystem
How do I earn this certification?
Passing EX436 earns the Red Hat Certified Specialist in High Availability Clustering certification. It sits in the Red Hat Enterprise Linux / Infrastructure track.
Next Level Options
RHCA - Red Hat Certified Architect EX436 counts as a credential toward earning RHCA.
Alternative Paths
EX358 - Red Hat Certified Specialist in Services Management and Automation (via RH358)Complementary RHCA-eligible specialist skills
Practice with Precision
The PlanetCert Simulator mirrors the real exam environment with authentic questions and timed pressure.
How to study for this exam?
The most effective way to prepare for EX436 is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
Current Status
- ACTIVE
- Last content update: Objectives listed are based on the most recent Red Hat product version available (RHEL High Availability Add-On).
Updates
RHEL High Availability Add-On (Pacemaker/Corosync) current RHEL EX436 objectives track the most recent Red Hat product version; the ha_cluster Ansible role and shared/HA LVM (lvmlockd, LVM-activate) reflect modern RHEL 8/9 practice.
Who should take this exam?
- Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) — recommended, not required
- Red Hat High Availability Clustering (RH436) or equivalent experience
- Real-world Linux system administration experience