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Course Outline

  • DRBD Fundamentals
    • Operational theory
    • Installation procedures
    • Replication modes and their respective use cases
    • Establishing a two-node, single-primary cluster
    • Executing manual failovers
    • Resolving split-brain scenarios
  • Corosync
    • Installation and initial setup
  • Pacemaker
    • Operational theory
    • Installation
    • The function of STONITH devices
    • Configuring resource agents
      • DRBD
      • Mounted file systems
      • Virtual IP addresses
      • LSB and systemd services
      • Managing groups, ordering, and colocation constraints
  • DRBD in Dual-Primary Mode
    • Integration with OCFS2
  • Advanced Topic: Root File System on DRBD

Requirements

  • A solid grasp of Linux block devices, file systems, and TCP/IP networking.
  • For the "Root file system on DRBD" segment: In-depth knowledge of the Linux boot process, including initramfs, init, services, and runlevels.
 7 Hours

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