{
  "migration_id": "23a52ed1507f",
  "source_system": "PostgreSQL 13 Production Database",
  "target_system": "PostgreSQL 15 Cloud Database",
  "migration_type": "database",
  "complexity": "critical",
  "estimated_duration_hours": 95,
  "phases": [
    {
      "name": "preparation",
      "description": "Prepare systems and teams for migration",
      "duration_hours": 19,
      "dependencies": [],
      "validation_criteria": [
        "All backups completed successfully",
        "Monitoring systems operational",
        "Team members briefed and ready",
        "Rollback procedures tested"
      ],
      "rollback_triggers": [
        "Critical system failure",
        "Data corruption detected",
        "Performance degradation > 50%",
        "Business process failure"
      ],
      "tasks": [
        "Backup source system",
        "Set up monitoring and alerting",
        "Prepare rollback procedures",
        "Communicate migration timeline",
        "Validate prerequisites"
      ],
      "risk_level": "medium",
      "resources_required": [
        "Technical team availability",
        "System access and permissions",
        "Monitoring and alerting systems",
        "Communication channels"
      ]
    },
    {
      "name": "expand",
      "description": "Execute expand phase",
      "duration_hours": 19,
      "dependencies": [
        "preparation"
      ],
      "validation_criteria": [
        "Expand phase completed successfully"
      ],
      "rollback_triggers": [
        "Critical system failure",
        "Data corruption detected",
        "Performance degradation > 50%",
        "Business process failure"
      ],
      "tasks": [
        "Complete expand activities"
      ],
      "risk_level": "medium",
      "resources_required": [
        "Technical team availability",
        "System access and permissions",
        "Monitoring and alerting systems",
        "Communication channels"
      ]
    },
    {
      "name": "migrate",
      "description": "Execute migrate phase",
      "duration_hours": 19,
      "dependencies": [
        "expand"
      ],
      "validation_criteria": [
        "Migrate phase completed successfully"
      ],
      "rollback_triggers": [
        "Critical system failure",
        "Data corruption detected",
        "Performance degradation > 50%",
        "Business process failure"
      ],
      "tasks": [
        "Complete migrate activities"
      ],
      "risk_level": "medium",
      "resources_required": [
        "Technical team availability",
        "System access and permissions",
        "Monitoring and alerting systems",
        "Communication channels"
      ]
    },
    {
      "name": "contract",
      "description": "Execute contract phase",
      "duration_hours": 19,
      "dependencies": [
        "migrate"
      ],
      "validation_criteria": [
        "Contract phase completed successfully"
      ],
      "rollback_triggers": [
        "Critical system failure",
        "Data corruption detected",
        "Performance degradation > 50%",
        "Business process failure"
      ],
      "tasks": [
        "Complete contract activities"
      ],
      "risk_level": "medium",
      "resources_required": [
        "Technical team availability",
        "System access and permissions",
        "Monitoring and alerting systems",
        "Communication channels"
      ]
    },
    {
      "name": "cleanup",
      "description": "Execute cleanup phase",
      "duration_hours": 19,
      "dependencies": [
        "contract"
      ],
      "validation_criteria": [
        "Cleanup phase completed successfully"
      ],
      "rollback_triggers": [
        "Critical system failure",
        "Data corruption detected",
        "Performance degradation > 50%",
        "Business process failure"
      ],
      "tasks": [
        "Complete cleanup activities"
      ],
      "risk_level": "medium",
      "resources_required": [
        "Technical team availability",
        "System access and permissions",
        "Monitoring and alerting systems",
        "Communication channels"
      ]
    }
  ],
  "risks": [
    {
      "category": "technical",
      "description": "Data corruption during migration",
      "probability": "low",
      "impact": "critical",
      "severity": "high",
      "mitigation": "Implement comprehensive backup and validation procedures",
      "owner": "DBA Team"
    },
    {
      "category": "technical",
      "description": "Extended downtime due to migration complexity",
      "probability": "medium",
      "impact": "high",
      "severity": "high",
      "mitigation": "Use blue-green deployment and phased migration approach",
      "owner": "DevOps Team"
    },
    {
      "category": "business",
      "description": "Business process disruption",
      "probability": "medium",
      "impact": "high",
      "severity": "high",
      "mitigation": "Communicate timeline and provide alternate workflows",
      "owner": "Business Owner"
    },
    {
      "category": "operational",
      "description": "Insufficient rollback testing",
      "probability": "high",
      "impact": "critical",
      "severity": "critical",
      "mitigation": "Execute full rollback procedures in staging environment",
      "owner": "QA Team"
    },
    {
      "category": "business",
      "description": "Zero-downtime requirement increases complexity",
      "probability": "high",
      "impact": "medium",
      "severity": "high",
      "mitigation": "Implement blue-green deployment or rolling update strategy",
      "owner": "DevOps Team"
    },
    {
      "category": "compliance",
      "description": "Regulatory compliance requirements",
      "probability": "medium",
      "impact": "high",
      "severity": "high",
      "mitigation": "Ensure all compliance checks are integrated into migration process",
      "owner": "Compliance Team"
    }
  ],
  "success_criteria": [
    "All data successfully migrated with 100% integrity",
    "System performance meets or exceeds baseline",
    "All business processes functioning normally",
    "No critical security vulnerabilities introduced",
    "Stakeholder acceptance criteria met",
    "Documentation and runbooks updated"
  ],
  "rollback_plan": {
    "rollback_phases": [
      {
        "phase": "cleanup",
        "rollback_actions": [
          "Revert cleanup changes",
          "Restore pre-cleanup state",
          "Validate cleanup rollback success"
        ],
        "validation_criteria": [
          "System restored to pre-cleanup state",
          "All cleanup changes successfully reverted",
          "System functionality confirmed"
        ],
        "estimated_time_minutes": 285
      },
      {
        "phase": "contract",
        "rollback_actions": [
          "Revert contract changes",
          "Restore pre-contract state",
          "Validate contract rollback success"
        ],
        "validation_criteria": [
          "System restored to pre-contract state",
          "All contract changes successfully reverted",
          "System functionality confirmed"
        ],
        "estimated_time_minutes": 285
      },
      {
        "phase": "migrate",
        "rollback_actions": [
          "Revert migrate changes",
          "Restore pre-migrate state",
          "Validate migrate rollback success"
        ],
        "validation_criteria": [
          "System restored to pre-migrate state",
          "All migrate changes successfully reverted",
          "System functionality confirmed"
        ],
        "estimated_time_minutes": 285
      },
      {
        "phase": "expand",
        "rollback_actions": [
          "Revert expand changes",
          "Restore pre-expand state",
          "Validate expand rollback success"
        ],
        "validation_criteria": [
          "System restored to pre-expand state",
          "All expand changes successfully reverted",
          "System functionality confirmed"
        ],
        "estimated_time_minutes": 285
      },
      {
        "phase": "preparation",
        "rollback_actions": [
          "Revert preparation changes",
          "Restore pre-preparation state",
          "Validate preparation rollback success"
        ],
        "validation_criteria": [
          "System restored to pre-preparation state",
          "All preparation changes successfully reverted",
          "System functionality confirmed"
        ],
        "estimated_time_minutes": 285
      }
    ],
    "rollback_triggers": [
      "Critical system failure",
      "Data corruption detected",
      "Migration timeline exceeded by > 50%",
      "Business-critical functionality unavailable",
      "Security breach detected",
      "Stakeholder decision to abort"
    ],
    "rollback_decision_matrix": {
      "low_severity": "Continue with monitoring",
      "medium_severity": "Assess and decide within 15 minutes",
      "high_severity": "Immediate rollback initiation",
      "critical_severity": "Emergency rollback - all hands"
    },
    "rollback_contacts": [
      "Migration Lead",
      "Technical Lead",
      "Business Owner",
      "On-call Engineer"
    ]
  },
  "stakeholders": [
    "Business Owner",
    "Technical Lead",
    "DevOps Team",
    "QA Team",
    "Security Team",
    "End Users"
  ],
  "created_at": "2026-02-16T13:47:23.704502"
}