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LINUX PROFESSIONAL INSTITUTE

LPI LPIC-3 High Availability and Storage Clusters

LPIC-3-HIGH-AVAILABILITYHigh Availability And Storage Clusters

The LPI LPIC-3 High Availability and Storage Clusters certification validates your ability to design, implement, and manage enterprise-grade Linux systems with a focus on high availability and resilient storage. It is for senior Linux engineers who architect and operate clusters that keep critical services running. Earning it proves you can build and maintain the infrastructure that underpins modern, always-on IT environments.

Practice Free Questions

343 practice questions · Updated 2026-07-30

4Domains
12Objectives
115Concepts
343Questions

LPIC-3-HIGH-AVAILABILITY Curriculum

Every domain, objective, and concept the LPIC-3-HIGH-AVAILABILITY exam measures.

361.1 High Availability Concepts and Theory (weight: 6)

8 concepts · 27 questions
  1. Goals of High Availability
  2. Site Reliability Engineering (SRE) Principles
  3. Common Cluster Architectures
  4. Recovery Mechanisms
  5. Cluster Reorganization Mechanisms
  6. Designing Cluster Architectures
  7. Application Aspects of High Availability
  8. Operational Considerations of High Availability

361.2 Load Balanced Clusters (weight: 8)

7 concepts · 28 questions
  1. LVS/IPVS concepts
  2. VRRP basics
  3. keepalived configuration
  4. ldirectord configuration
  5. Backend server networking
  6. HAProxy concepts
  7. HAProxy configuration

361.3 Failover Clusters (weight: 8)

14 concepts · 46 questions
  1. Pacemaker Architecture
  2. Pacemaker Configuration Management
  3. Pacemaker Resource Classes
  4. Pacemaker Resource Management
  5. Resource Rules and Constraints
  6. Advanced Resource Features
  7. Node Information and Health
  8. Quorum and Fencing
  9. Split Brain Detector
  10. pcs Management
  11. crmsh Management
  12. Corosync Configuration
  13. Pacemaker ACLs
  14. Other Cluster Engines

362.1 DRBD (weight: 6)

11 concepts · 32 questions
  1. DRBD Architecture Overview
  2. DRBD Resources, States, and Replication Modes
  3. Configuring DRBD Disks and Devices
  4. Configuring DRBD Networking Connections and Meshes
  5. Automatic Recovery and Error Handling in DRBD
  6. DRBD Quorum and Split-Brain/Fencing Handlers
  7. Managing DRBD with drbdadm
  8. Principles of drbdsetup and drbdmeta
  9. Restoring and Verifying DRBD Device Integrity
  10. Integrating DRBD with Pacemaker
  11. LINSTOR Architecture and Features

362.2 Cluster Storage Access (weight: 3)

12 concepts · 33 questions
  1. Storage Area Network (SAN) Fundamentals
  2. Fibre Channel (FC) Concepts
  3. Fibre Channel Topologies
  4. iSCSI Concepts
  5. iSCSI Target Configuration
  6. iSCSI Initiator Configuration
  7. Device Mapper Multipath I/O (DM-MPIO) Fundamentals
  8. DM-MPIO Configuration
  9. Distributed Lock Manager (DLM) Concepts
  10. Clustered LVM (clvm) Concepts
  11. Clustered LVM Management
  12. Pacemaker Integration with DLM and LVM

362.3 Clustered File Systems (weight: 4)

6 concepts · 24 questions
  1. Cluster file system principles
  2. Distributed Lock Manager (DLM)
  3. GFS2 file system administration
  4. OCFS2 file system administration
  5. O2CB cluster stack
  6. Other clustered file systems

363.1 GlusterFS Storage Clusters (weight: 5)

11 concepts · 25 questions
  1. GlusterFS Architecture and Components
  2. Trusted Storage Pools and Peers
  3. Bricks and Volume Types
  4. Volume Lifecycle Management
  5. Mounting and Accessing GlusterFS
  6. High Availability Configuration
  7. Scaling a GlusterFS Cluster
  8. Replacing Failed Bricks
  9. Recovery from Physical Media Failure
  10. Post-Outage Restoration and Integrity Verification
  11. GNFS Awareness

363.2 Ceph Storage Clusters (weight: 8)

13 concepts · 35 questions
  1. Ceph Architecture and Components
  2. Managing Ceph Daemons
  3. Placement Groups and Pools
  4. Storage Backends: FileStore and BlueStore
  5. Initializing a Ceph Cluster
  6. Rados Block Devices (RBD)
  7. CephFS Volumes and Snapshots
  8. Mounting CephFS
  9. CRUSH Maps
  10. High Availability in Ceph
  11. Scaling a Ceph Cluster
  12. Cluster Recovery and Integrity
  13. Ceph Updates and Tunables

364.1 Hardware and Resource High Availability (weight: 2)

8 concepts · 22 questions
  1. S.M.A.R.T. fundamentals
  2. Using smartmontools
  3. Interpreting S.M.A.R.T. values
  4. Configuring frequent disk checks
  5. UPS event monitoring
  6. Configuring system shutdown on UPS events
  7. Monit basics
  8. Monitoring resource exhaustion with monit

364.2 Advanced RAID (weight: 2)

10 concepts · 27 questions
  1. RAID levels and their properties
  2. RAID metadata formats
  3. RAID geometry and layout
  4. Creating and managing RAID devices
  5. Hot spare discs
  6. Partitionable RAIDs and RAID containers
  7. Adding and removing devices from an existing RAID
  8. Changing RAID level of an existing device
  9. Recovering a RAID device after failure
  10. Monitoring and reporting with mdadm

364.3 Advanced LVM (weight: 3)

8 concepts · 26 questions
  1. LVM architecture and physical volumes
  2. Volume groups and logical volumes
  3. Extending and growing LVM volumes
  4. Shrinking LVM volumes
  5. Moving LVM volumes
  6. LVM snapshots (thick)
  7. LVM thin pools and thin volumes
  8. LVM RAID

364.4 Network High Availability (weight: 5)

7 concepts · 18 questions
  1. Bonding interface basics
  2. Bond modes and algorithms
  3. Switch configuration for HA
  4. VLAN configuration on interfaces
  5. Persisting bonding and VLAN config
  6. BGP and autonomous systems
  7. Linux traffic shaping and control
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Practice Free Questions

Percentages reflect share of the current practice bank, not official exam weightings — no structured per-skill weight is published for LPIC-3-HIGH-AVAILABILITY, so none is invented.