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Course Outline

  • DRBD fundamentals
    • Operational principles
    • Installation procedures
    • Supported replication modes and their respective use cases
    • Establishing a two-node single-primary cluster
    • Manual failover techniques
    • Resolving split-brain scenarios
  • Corosync
    • Installation and initial setup
  • Pacemaker
    • Operational principles
    • Installation procedures
    • The function of STONITH devices
    • Resource agent configuration
      • DRBD
      • Mounted file systems
      • Virtual IP addresses
      • LSB and systemd services
      • Groups, ordering, and colocation constraints
  • DRBD in Dual-Primary mode
    • Integration with OCFS2
  • Advanced module: Root filesystem on DRBD

Requirements

  • A solid grasp of Linux block devices, file systems, and TCP/IP networking.
  • For the 'Root filesystem on DRBD' module: a thorough understanding of the Linux boot process (including initramfs, init, services, and runlevels).
 7 Hours

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