{
  "id": "secondary_backup_node",
  "label": "Secondary Backup Node Canonical",
  "phase": "phase-13",
  "category": "backup_server_recovery_infrastructure",
  "status": "ACTIVE_DH_MIRROR",
  "purpose": "Secondary Backup Node Canonical is the Phase 13 authority that defines the independent second recovery landing zone for encrypted YEFF AI v1 backup state.",
  "function": "Govern secondary backup custody with separation from the primary node, independent health, replication intake, manifest continuity and promotion rules so Devon can survive primary backup-node loss.",
  "technology_requirements": [
    {
      "technology": "Secondary Backup Node",
      "required_for": "Secondary Backup Node Canonical is the Phase 13 authority that defines the independent second recovery landing zone for encrypted YEFF AI v1 backup state.",
      "required_by_phase": "phase-13",
      "required_by_category": "secondary_backup_node",
      "required_by_buckets": [
        "Prerequisites",
        "Installation",
        "Configuration",
        "Validation",
        "Observable Evidence",
        "Failure Modes & Recovery",
        "Completion & Promotion"
      ],
      "expected_version": "MISSING until Secondary Backup Node is implemented and validated in the future Execution & Monitoring Panel",
      "validation_command": "MISSING until secondary_backup_node can prove scope, evidence, execution state and promotion decision",
      "evidence_path": "/home/yeff/public_html/devon/canon/execution/state/dh_sources/secondary_backup_node.json",
      "status_source": "Documentation Hub + future Execution & Monitoring Panel",
      "blocking_if_missing": true,
      "failure_impact": "If this gate fails, Devon can claim two backup nodes while still having a single operational failure domain."
    }
  ],
  "depends_on": [],
  "used_by": [],
  "overview": {
    "summary": "Secondary Backup Node Canonical is the Phase 13 authority that defines the independent second recovery landing zone for encrypted YEFF AI v1 backup state.",
    "function": "FUNCTION: Govern secondary backup custody with separation from the primary node, independent health, replication intake, manifest continuity and promotion rules so Devon can survive primary backup-node loss.",
    "system_position": "This category owns the second live recovery destination. It is not a duplicate of the primary node; its authority is independence. The exclusive risk here is mirrored weakness: a secondary node that shares the same failure mode as primary creates the appearance of resilience without the reality of it.",
    "failure_impact": "If this gate fails, Devon can claim two backup nodes while still having a single operational failure domain."
  },
  "failure_impact": "If this gate fails, Devon can claim two backup nodes while still having a single operational failure domain."
}