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Course Outline

  • Fundamentals of DRBD
    • Operational theory
    • Installation procedures
    • Supported replication modes and their respective use cases
    • Establishing a two-node, single-primary cluster
    • Executing manual failover
    • Resolving split-brain situations
  • Corosync
    • Installation and initial setup
  • Pacemaker
    • Operational theory
    • Installation procedures
    • The function of STONITH devices
    • Configuring resource agents
      • DRBD integration
      • Mounted file systems
      • Virtual IP addresses
      • LSB and systemd services
      • Groups, ordering, and colocation constraints
  • DRBD in Dual-Primary Mode
    • Integration with OCFS2
  • Advanced Topic: Booting the root file system from DRBD

Requirements

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

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