LinuxCBT Block Replica Edition d3x

Focus: DRBD 8x | Block Replication | Clustering
Duration: 4 Hours

Course Objective
Intro to Block Replication | Clustering | DRBD

Introduction - DRBD - Features
Discuss features and benefits
Discuss Disk Block Clustering
Explore application to various applications
Identify Target Hosts
Explore topography
Explore environment

Cluster Initialization | Installation | General Usage
Gather resources for usage in Cluster
Discuss Cluster Resources in DRBD
Install DRBD on target Hosts
Provision Block Devices
Update configuration accordingly
Define Resources per Cluster Node
Synchronize Blocks
Allocate File System (FS) Resources
Confirm Disk IO within Cluster
Evaluate accordingly
Discuss common implementation

Cluster IO
Highlight important IO concepts
Confirm Node Status
Attempt various mounts
Evaluate responses from various Cluster Nodes
Provision additional Cluster Resource
Weave additional resource into environment
Confirm current Cluster status
Evaluate results

DRBD Cluster Utilities
Discuss use cases
Identify key Cluster client tools
Enumerate important details via tools
Discuss important client options
Evaluate current Cluster configuration
Discuss possible applications

Manual Cluster Failover
Express usage features and concerns
Highlight automated alternatives
Create failover scenarios
Failover Cluster as needed and evaluate
Confirm data synchronization status
Continue with failover exercises
Evaluate outcomes concerning failovers

Synchronization Throttling
Discuss defaults and applicable benefits
Down Secondary as needed
Create out-of-synch scenario
Examine default synch timeline
Tweak configuration-based synchronization bandwidth
Alter Cluster configuration and examine synchronization updates
Contrast with defaults
Enable temporary synchronization configuration
Generate out-of-synch scenario
Force synch of Cluster Nodes
Evaluate results

DRBD | Cluster | Application | Examples
Recap key features of DRBD
Highlight common usage scenarios
Tweak Apache configuration to use DRBD resources
Failover and ensure availability of resources
Update MySQL configuration to use DRBD resources
Generate new MySQL information
Failover accordingly
Evaluate results