Disaster Recovery
Objectives
At the end of the lesson, students should be
able to
Explain the seven tiers of disaster recovery
solutions.
Explain the phases of disaster recovery planning
Describe business continuity planning and threat
analysis
Overview
Seven tiers of Disaster Recovery Solutions
Phases of disaster recovery planning
Business continuity planning
Threat analysis
Disaster Recovery Procedures
Overview of disaster recovery solutions.
Tier 0: No off-site data
Tier 2: Data backup with a hot site
Tier 3: Electronic vaulting
Tier 4: Point-in-time copies
Tier 5: Transaction integrity
Tier 6: Zero or near-Zero data loss
Tier 7: Highly automated, business
integrated solution
Disaster Recovery Plan (DRP)
Phase I – Data Collection
Phase II – Plan Development and Testing
Phase III – Monitoring and Maintenance
Phase 1 – Data Collection
Project should be organized with timeline,
resources, and expected output
Business impact analysis should be conducted at
regular intervals
Risk assessment should be conducted regularly
Onsite and Offsite Backup and Recovery
procedures should be reviewed
Alternate site location must be selected and
ready for use urvivability and securability
Phase 2 – Plan Development and Testing
Development of Disaster Recovery Plan
Testing the plan Project should be organized
with timeline, resources, and expected output
Phase 3 – Monitoring and Maintenance
Maintenance of the Plan through updates and
review
Periodic inspection of DRP
Documentation of changes
Phase 3 – Monitoring and Maintenance
Threat Analysis
Disease
Earthquake
Fire
Flood
Cyber attack
Sabotage
Hurricane
Utility outage
Terrorism
Disaster Recovery Procedures (DRP)
Objectives of disaster recovery planning
include:
• Providing a sense of security
• Minimizing risk of delays
• Guaranteeing the reliability of standby
systems
• Providing a standard for testing the plan.
• Minimizing decision-making during a disaster
Methodology
1. Obtain Top Management Commitment
2. Establish a planning committee
3. Perform a risk assessment
4. Establish priorities for processing and
operations
5. Determine Recovery Strategies
6. Perform Data Collection
7. Organize and document a written plan
8. Develop testing criteria and procedures
9. Test the Plan
10. Approve the plan