Disaster Recovery Planning
Posted 15 Apr, 2020
Author - Bidemi Owolabi
Disaster Recovery Planning
A disaster recovery plan (DRP) is a documented, structured approach that describes how an organization can quickly resume work after an unplanned incident. A DRP is an essential part of a business continuity plan (BCP).
A DRP aims to help an organization resolve data loss and recover system functionality so that it can perform in the aftermath of an incident, even if it operates at a minimal level. 
Typically, disaster recovery planning involves an analysis of business processes and continuity needs. Before generating a detailed plan, an organization often performs a business impact analysis (BIA) and risk analysis (RA), and it establishes recovery objectives. 
Some types of disasters that organizations can plan for include: 
·       Application failure
·       Communication failure
·       Data center disaster
·       Building disaster
·       Campus disaster
·       Citywide disaster
·       Regional disaster
·       National disaster
·       Multinational disaster
Recovery plan considerations
A disaster recovery strategy should start at the business level and determine which applications are most important to running the organization. The recovery time objective (RTO) describes the target amount of time a business application can be down, typically measured in hours, minutes or seconds. The recovery point objective (RPO) describes the age of files that must be recovered from backup storage for normal operations to resume.
In determining a recovery strategy, organizations should consider such issues as:
·       Budget
·       Insurance coverage
·       Resources, people and physical facilities
·       Management's position on risks
·       Technology
·       Data
·       Suppliers
·       Compliance requirements
Types of disaster recovery plans
DRPs can be specifically tailored for a given environment. Some environment-specific plans include:
·  Virtualized disaster recovery plan - Virtualization provides opportunities to implement disaster recovery in a more efficient and simpler way. Testing can also be easier to achieve, but the plan must include the ability to validate that applications can be run in disaster recovery mode and returned to normal operations within the RPO and RTO.
·  Network disaster recovery plan - Developing a plan for recovering a network gets more complicated as the complexity of the network increases. It is important to detail the step-by-step recovery procedure, test it properly and keep it updated.
·  Cloud disaster recovery plan - Cloud disaster recovery (cloud DR) can range from a file backup in the cloud to a complete replication. Cloud DR can be space, time and cost-efficient, but maintaining the disaster recovery plan requires proper management.
·  Data center disaster recovery plan - This type of plan focuses exclusively on the data center facility and infrastructure. An operational risk assessment is a key element in data center DRPs. It analyzes key components such as building location, power systems and protection, security, and office space.
NOTE: Especially in the current climate of pandemic, it is important for organizations to have a Disaster Recovery Plan in place to secure the vital asset and reduce the impact of the pandemic on organization within a stimulated period of time.
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