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

306-300 pass collection

Exam Code: 306-300

Exam Name: LPIC-3 Exam 306: High Availability and Storage Clusters

Updated: Aug 19, 2026

Q & A: 202 Questions and Answers

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Lpi 306-300 Exam Syllabus Topics:

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

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

1. Which command is used to mount an OCFS2 file system?

A) tunefs.ocfs2
B) mkfs.ocfs2
C) mount.ocfs2
D) fsck.ocfs2


2. Which command-line utility is used to manage the fencing devices in a Pacemaker cluster?

A) stonith
B) stonith_admin
C) sbd
D) pcs


3. How can you create an LVM RAID?

A) By using the vgcreate command with the --raid option.
B) LVM does not support RAID configurations.
C) By combining multiple physical volumes into a volume group.
D) By using the lvcreate command with the --raid option.


4. What is the purpose of GlusterFS in a high availability distributed storage system?

A) To enable data replication and fault tolerance.
B) To provide load balancing for web applications.
C) To optimize storage performance in virtualized environments.
D) To manage network security for storage clusters.


5. What is the purpose of initializing a Ceph cluster?

A) To create the initial CRUSH map.
B) To generate cryptographic keys for secure communication.
C) To configure high availability settings.
D) To assign storage devices to OSDs.


Solutions:

Question # 1
Answer: C
Question # 2
Answer: A
Question # 3
Answer: D
Question # 4
Answer: A
Question # 5
Answer: B

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