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

Course Overview

The LPIC-3 306 High Availability and Storage Clusters Training and Certification program is designed for senior Linux professionals who want to master enterprise-level high availability (HA), clustering, fault tolerance, and distributed storage infrastructure. This advanced certification validates your ability to design, deploy, and manage highly available Linux systems with minimal downtime and maximum reliability.

Offered by Linux Training Center, Coimbatore, this course aligns with the official LPIC-3 Exam 306-300 objectives and provides advanced hands-on training in enterprise clustering, storage replication, distributed storage, and failover management. Learners gain practical experience in building resilient Linux infrastructures for mission-critical workloads.


Who Should Enroll?

  • LPIC-2 certified professionals advancing to expert-level certification
  • Senior Linux administrators managing critical infrastructure
  • DevOps engineers working with high availability systems
  • Cloud engineers handling distributed environments
  • Storage administrators managing enterprise storage solutions
  • Infrastructure architects designing resilient systems
  • IT professionals specializing in enterprise Linux clustering

Why This Course Stands Out

  • Complete coverage of LPIC-3 306-300 certification objectives
  • Advanced hands-on labs with enterprise cluster environments
  • Real-world failover and disaster recovery scenarios
  • Strong focus on storage clustering and distributed systems
  • Industry-aligned curriculum for enterprise infrastructure roles
  • Certification-focused preparation with mock exams and practical assessments
  • Practical training for mission-critical Linux environments

What You’ll Learn (LPIC-3 306 Exam Syllabus)

High Availability Cluster Management

  • High availability concepts and architecture
  • Active/Active and Active/Passive cluster models
  • Quorum, fencing, and split-brain prevention
  • Cluster resource management and failover strategies
  • Disaster recovery planning and SLA design

Cluster Resource Management

  • Configure and manage cluster resources
  • Service monitoring and automatic failover
  • Load balancing techniques
  • Resource allocation and service availability
  • Cluster troubleshooting and optimization

High Availability Cluster Storage

  • Shared storage architecture
  • DRBD configuration and replication
  • Block-level storage management
  • Storage failover mechanisms
  • Storage performance optimization

Distributed Storage Systems

  • Distributed storage concepts and design
  • Configure and manage GlusterFS
  • Storage scaling and redundancy
  • Data replication and recovery
  • Distributed storage troubleshooting

Ceph Storage Clusters

  • Ceph architecture and components
  • OSD, MON, MGR, and MDS management
  • CephFS and object storage configuration
  • Storage pools and placement groups
  • High availability and scalability in Ceph

Single Node High Availability

  • Local service redundancy
  • Service supervision and monitoring
  • Recovery automation
  • Single-node failover strategies
  • Performance tuning and reliability improvements

Career Roles You Can Pursue

  • Senior Linux Administrator
  • High Availability Engineer
  • Storage Engineer
  • Infrastructure Engineer
  • DevOps Engineer
  • Cloud Infrastructure Architect
  • Site Reliability Engineer (SRE)
  • Enterprise Systems Engineer

Why Choose Linux Training Center, Coimbatore?

  • Expert instructors with enterprise Linux and HA experience
  • Advanced practical labs with real-world clustering environments
  • Flexible weekday and weekend batch schedules
  • Comprehensive study materials and lab practice access
  • Mock exams and certification-focused preparation
  • Career guidance and placement assistance
  • Post-training technical support until certification completion

Become an Enterprise HA & Storage Expert

Advance your Linux career with LPIC-3 306 High Availability and Storage Clusters certification training. Build expert-level skills in clustering, distributed storage, failover management, and enterprise infrastructure reliability to excel in modern data center, cloud, and DevOps environments.

Course Syllabus

Modules

High Availability Cluster Management
361.1 High Availability Concepts and Theory (Weight: 6)
  • Candidates should understand the properties and design approaches of high availability clusters.
  • Understand the goals of High Availability and Site Reliability Engineering.
  • Understand common cluster architectures.
  • Understand recovery and cluster reorganization mechanisms.
  • Design an appropriate cluster architecture for a given purpose.
  • Understand application aspects of high availability.
  • Understand operational considerations of high availability.
  • Active/Passive Cluster
  • Active/Active Cluster
  • Failover Cluster
  • Load Balanced Cluster
  • Shared-Nothing Cluster
  • Shared-Disk Cluster
  • Cluster resources
  • Cluster services
  • Quorum
  • Fencing (Node and Resource Level Fencing)
  • Split brain
  • Redundancy
  • Mean Time Before Failure (MTBF)
  • Mean Time To Repair (MTTR)
  • Service Level Agreement (SLA)
  • Disaster Recovery
  • State Handling
  • Replication
  • Session handling
  • 361.2 Load Balanced Clusters (Weight: 8)
  • Install, configure, maintain and troubleshoot LVS.
  • Understand LVS / IPVS concepts.
  • Understand VRRP basics.
  • Configure keepalived.
  • Configure ldirectord.
  • Configure backend server networking.
  • Understand HAProxy.
  • Configure HAProxy.
  • ipvsadm
  • syncd
  • LVS Forwarding (NAT, Direct Routing, Tunneling, Local Node)
  • Connection scheduling algorithms
  • keepalived configuration file
  • ldirectord configuration file
  • genhash
  • HAProxy configuration file
  • Load balancing algorithms
  • ACLs
  • 361.3 Failover Clusters (Weight: 8)
  • Install, configure, maintain and troubleshoot Pacemaker clusters.
  • Understand Pacemaker architecture and components.
  • Manage Pacemaker cluster configurations.
  • Manage Pacemaker resources.
  • Manage resource rules and constraints.
  • Manage advanced resource features.
  • Manage quorum and fencing.
  • Configure Split Brain Detector.
  • Manage Pacemaker using pcs and crmsh.
  • Configure Corosync with Pacemaker.
  • pcs
  • crm
  • crm_mon
  • crm_verify
  • crm_simulate
  • crm_shadow
  • crm_resource
  • crm_attribute
  • crm_node
  • crm_standby
  • cibadmin
  • corosync.conf
  • authkey
  • corosync-cfgtool
  • corosync-cmapctl
  • corosync-quorumtool
  • stonith_admin
  • stonith
  • sbd
  • Topic 362: High Availability Cluster Storage
    362.1 DRBD (Weight: 6)
  • Install, configure, maintain and troubleshoot DRBD devices.
  • Understand DRBD architecture.
  • Understand DRBD resources, states and replication modes.
  • Configure DRBD disks and devices.
  • Configure networking connections and meshes.
  • Configure recovery and error handling.
  • Integrate DRBD with Pacemaker.
  • Understand LINSTOR.
  • Protocol A, B and C
  • Primary / Secondary
  • Three-way replication
  • drbd kernel module
  • drbdadm
  • drbdmon
  • drbdsetup
  • drbdmeta
  • /etc/drbd.conf
  • /etc/drbd.d/
  • /proc/drbd
  • 362.2 Cluster Storage Access (Weight: 3)
  • Connect Linux nodes to remote block storage.
  • Understand SAN concepts.
  • Understand Fibre Channel concepts.
  • Manage iSCSI targets and initiators.
  • Configure Device Mapper Multipath I/O.
  • Understand Distributed Lock Manager.
  • Manage clustered LVM.
  • Manage DLM and LVM with Pacemaker.
  • tgtadm
  • targets.conf
  • iscsiadm
  • iscsid.conf
  • /etc/multipath.conf
  • multipath
  • kpartx
  • pvmove
  • vgchange
  • lvchange
  • 362.3 Clustered File Systems (Weight: 4)
  • Install, maintain and troubleshoot GFS2 and OCFS2.
  • Understand clustered and distributed file systems.
  • Understand Distributed Lock Manager.
  • Manage GFS2 file systems.
  • Manage OCFS2 file systems.
  • Awareness of O2CB, AFS and Lustre.
  • mkfs.gfs2
  • mount.gfs2
  • fsck.gfs2
  • gfs2_grow
  • gfs2_edit
  • gfs2_jadd
  • mkfs.ocfs2
  • mount.ocfs2
  • fsck.ocfs2
  • tunefs.ocfs2
  • mounted.ocfs2
  • o2info
  • o2image
  • Topic 363: High Availability Distributed Storage
    363.1 GlusterFS Storage Clusters (Weight: 5)
  • Manage and maintain GlusterFS storage clusters.
  • Understand GlusterFS architecture.
  • Manage peers, storage pools, bricks and volumes.
  • Mount and use existing GlusterFS.
  • Scale cluster and replace failed bricks.
  • Recover after outages.
  • Awareness of GNFS.
  • gluster
  • 363.2 Ceph Storage Clusters (Weight: 8)
  • Manage and maintain Ceph clusters.
  • Configure RGW, RBD and CephFS.
  • Manage OSD, MGR, MON and MDS.
  • Manage placement groups and pools.
  • Understand FileStore and BlueStore.
  • Create RBD devices.
  • Create and manage CephFS volumes.
  • Adjust CRUSH maps.
  • Scale Ceph clusters.
  • Recover after outages.
  • ceph-deploy
  • ceph.conf
  • ceph
  • rados
  • rbd
  • cephfs
  • ceph-volume
  • ceph-authtool
  • ceph-bluestore-tool
  • crushtool
  • Topic 364: Single Node High Availability
    364.1 Hardware and Resource High Availability (Weight: 2)
  • Monitor local node for hardware failures and resource shortages.
  • Monitor SMART values.
  • Configure UPS shutdown events.
  • Configure monit alerts.
  • smartctl
  • /etc/smartd.conf
  • smartd
  • nvme-cli
  • apcupsd
  • apctest
  • monit
  • 364.2 Advanced RAID (Weight: 2)
  • Manage software RAID devices.
  • Manage hot spares, partitionable RAIDs and containers.
  • Add and remove devices.
  • Change RAID levels.
  • Recover RAID after failure.
  • Understand metadata formats and RAID geometries.
  • Configure mdadm monitoring.
  • mdadm
  • /proc/mdstat
  • /proc/sys/dev/raid/*
  • 364.3 Advanced LVM (Weight: 3)
  • Configure LVM volumes.
  • Manage linear and striped volumes.
  • Extend, grow, shrink and move LVM volumes.
  • Manage snapshots.
  • Manage thin and thick pools.
  • Manage LVM RAIDs.
  • /etc/lvm/lvm.conf
  • pvcreate
  • pvdisplay
  • pvmove
  • pvremove
  • pvresize
  • vgcreate
  • vgdisplay
  • vgreduce
  • lvconvert
  • lvcreate
  • lvdisplay
  • lvextend
  • lvreduce
  • lvresize
  • 364.4 Network High Availability (Weight: 5)
  • Configure redundant networking connections and VLANs.
  • Configure bonding interfaces.
  • Understand bonding modes and algorithms.
  • Configure switch HA using RSTP.
  • Configure VLANs on regular and bonded interfaces.
  • Persist bonding and VLAN configurations.
  • Understand BGP basics.
  • Awareness of traffic shaping.
  • bonding.ko
  • /etc/network/interfaces
  • /etc/sysconfig/networking-scripts/ifcfg-*
  • /etc/systemd/network/*.network
  • /etc/systemd/network/*.netdev
  • nmcli
  • /sys/class/net/bonding_masters
  • /sys/class/net/bond*/bonding/miimon
  • /sys/class/net/bond*/bonding/slaves
  • ifenslave
  • ip