Lpi 306-300 real exam prep : 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: Jul 25, 2026
  • Q&As: 202 Questions and Answers

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Lpi 306-300 Exam Syllabus Topics:

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

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

1. Which software utility is commonly used to manage software RAID devices on Linux?

A) mdadm
B) fsck
C) lvm
D) fdisk


2. What is the purpose of configuring system shutdown at specific UPS events?

A) To optimize system performance during high resource usage.
B) To prevent data loss during power outages.
C) To automatically restart the system after a hardware failure.
D) To extend the lifespan of storage devices.


3. What is the purpose of quorum in a Pacemaker cluster?

A) Configuring resource templates
B) Preventing split brain scenarios
C) Controlling resource location
D) Managing node health


4. How can you recover a RAID device after a failure?

A) By replacing the failed disk and running the mdadm --rebuild command.
B) By running the fsck utility on the array to fix any disk errors.
C) By reformatting the RAID device and rebuilding the array from scratch.
D) By modifying the /proc/sys/dev/raid/ file to restore the array.


5. Which of the following are valid load balancing algorithms for HAProxy? (Choose TWO correct answers.)

A) persistent
B) source
C) destination
D) weightedrr
E) leastconn


Solutions:

Question # 1
Answer: A
Question # 2
Answer: B
Question # 3
Answer: B
Question # 4
Answer: A
Question # 5
Answer: B,E

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