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 25, 2026

Q & A: 202 Questions and Answers

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Lpi 306-300 Exam Syllabus Topics:

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

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

Question 1

When using HAProxy to load balance requests over a set of web servers, what directive is needed in the HAProxy configuration in order to be able to log, on the backend web servers, the IP address of the client making a request?

A. option forwardfor
B. option clientlog
C. option reverseproxy
D. option exposeclient


Question 2

What is the purpose of the drbdmon utility?

A. To verify the integrity of a DRBD device
B. To manage DRBD networking connections
C. To monitor the status of DRBD devices
D. To configure automatic recovery and error handling


Question 3

Which one of the following is NOT a required component for running an OCFS2 filesystem resource in a Pacemaker cluster?

A. A shared storage device accessible by all nodes using the OCFS2 filesystem.
B. The cluster logical volume manager (CLVM).
C. A clone resource for the OCFS2 file system.
D. The distributed lock manager (DLM).
E. The O2CB service.


Question 4

Which load balancing algorithm selects backend servers based on the source IP address of incoming requests?

A. Source IP Hash
B. Tunneling
C. NAT (Network Address Translation)
D. Direct Routing


Question 5

Which clustered file system is commonly used on Linux and has the acronym OCFS2?

A. Open Cluster File System 2
B. Oracle Clustered File System 2
C. Online Cluster File System 2
D. Open-source Cluster File System 2


Solutions:

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

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