Lpi 306-300 : LPIC-3 Exam 306: High Availability and Storage Clusters

  • Exam Code: 306-300
  • Exam Name: LPIC-3 Exam 306: High Availability and Storage Clusters
  • Updated: Sep 12, 2026     Q & A: 202 Questions and Answers

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Lpi 306-300 Exam Syllabus Topics:

SectionObjectives
High Availability Cluster Storage- Cluster File Systems
  • 1. OCFS2
  • 2. GFS2
- Storage Replication
  • 1. DRBD configuration and management
  • 2. Data synchronization and failover
- Shared Storage Technologies
  • 1. Multipath I/O
  • 2. Clustered LVM
  • 3. SAN storage integration
High Availability Cluster Management- Cluster Resource Management
  • 1. Resource allocation and failover
  • 2. Pacemaker cluster management
  • 3. Fencing and quorum management
- Load Balanced Clusters
  • 1. HAProxy deployment and management
  • 2. keepalived configuration
  • 3. LVS and IPVS concepts
  • 4. ldirectord configuration
  • 5. VRRP fundamentals
- High Availability Concepts and Theory
  • 1. High Availability and Site Reliability Engineering
  • 2. Disaster recovery and redundancy concepts
  • 3. Cluster architectures and recovery mechanisms
High Availability Distributed Storage- Gluster
  • 1. GlusterFS deployment
  • 2. Replication and fault tolerance
- Ceph
  • 1. Ceph architecture
  • 2. CRUSH maps
  • 3. RADOS components
Single Node High Availability- System Availability
  • 1. Service supervision
  • 2. UPS integration
  • 3. Watchdog services
- Hardware Monitoring
  • 1. RAID monitoring and recovery
  • 2. SMART monitoring

Lpi LPIC-3 Exam 306: High Availability and Storage Clusters Sample Questions:

Question #1

Which of the following technologies are parts of the Red Hat Enterprise Linux High Availability Add- On? (Choose THREE correct answers.)

  • A. Pacemaker
  • B. LVS
  • C. cLVM
  • D. OCFS2
  • E. DRBD
Reveal Solution  Discussion  0

Correct Answer: A,B,C  🗳️

Question #2

Which utility is used to perform testing and diagnostics on an APC UPS?

  • A. monit
  • B. apctest
  • C. smartctl
  • D. nvme-cli
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

What is the purpose of a hot spare disk in a RAID array?

  • A. It acts as an additional storage device for the array.
  • B. It serves as a backup for the RAID configuration.
  • C. It improves the performance of the RAID array.
  • D. It automatically replaces a failed disk in the array.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #4

Which command is used to create a new physical volume in LVM?

  • A. lvcreate
  • B. pvdisplay
  • C. vgcreate
  • D. pvcreate
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #5

Which one of the following options represents a valid declaration of a backend server with HAProxy?

  • A. host server_x 10.1.0.1:80 cookie server_x
  • B. backend server_x 10.1.0.1:80
  • C. pool server_x 10.1.0.1:80
  • D. server server_x 10.1.0.1:80 check
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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