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: Oct 04, 2026

Q & A: 202 Questions and Answers

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Lpi 306-300 Exam Syllabus Topics:

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

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

Question #1

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

  • A. mdadm
  • B. lvm
  • C. fsck
  • D. fdisk
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

Which utility is used to resize a GFS2 file system?

  • A. fsck.gfs2
  • B. gfs2_grow
  • C. mkfs.gfs2
  • D. mount.gfs2
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #3

What is the purpose of the rados command-line tool in Ceph?

  • A. To adjust the CRUSH map for data distribution.
  • B. To interact with Rados Block Devices (RBDs).
  • C. To manage OSDs and their storage devices.
  • D. To configure and manage CephFS volumes.
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #4

What is the purpose of the o2info utility?

  • A. To check the status of an OCFS2 file system.
  • B. To resize an OCFS2 file system.
  • C. To mount an OCFS2 file system.
  • D. To create an OCFS2 file system.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #5

How can you remove a physical volume from an LVM setup?

  • A. By using the lvremove command on the logical volume.
  • B. Physical volumes cannot be removed from an LVM setup.
  • C. By using the pvremove command on the physical volume.
  • D. By using the vgremove command on the volume group.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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