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Course Outline

  • DRBD Fundamentals
    • Operational theory
    • Installation procedures
    • Overview of supported replication modes and their ideal use cases
    • Establishing a two-node, single-primary cluster
    • Performing manual failovers
    • Strategies for recovering from split-brain situations
  • Corosync
    • Installation and initial configuration
  • Pacemaker
    • Core operational principles
    • Installation guidelines
    • The critical role of STONITH devices
    • Configuring resource agents
      • DRBD integration
      • Mounted file systems
      • Virtual IP address management
      • LSB and systemd services
      • Implementing groups, ordering, and colocation constraints
  • DRBD in Dual-Primary Mode
    • Integration with OCFS2
  • Advanced Topic: Configuring a root file system on DRBD

Requirements

  • A solid foundational knowledge of Linux block devices, file systems, and TCP/IP networking
  • For the 'Root file system on DRBD' module: an in-depth understanding of the Linux boot process, including initramfs, init, service management, and runlevels
 7 Hours

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