Disaster Recovery Is Not Backup: Building a Real Business Continuity Strategy

Backup is not a continuity strategy

Every organisation knows it needs backup. But having a backup does not necessarily mean the business can recover. That distinction becomes critical when an application fails, ransomware disrupts systems or an entire site experiences an outage.

Backup protects data. Disaster Recovery protects the ability to operate.Understanding the difference is fundamental to building real business continuity.

What does backup actually solve?

Backup creates recoverable copies of data. It protects against events such as:

• Accidental deletion
• Data corruption
• Application failure
• Ransomware
• Infrastructure failure
• Human error

If information is lost, backup provides a point from which it can potentially be restored. But restoration is only part of recovery.

Imagine an organisation has a perfect copy of its database but the production infrastructure required to run the application is unavailable.The data survived. The business application did not.

Disaster Recovery solves a different problem

Disaster Recovery asks:

That may involve:

A DR strategy therefore considers infrastructure and orchestration alongside data protection.

RPO and RTO matter

Two metrics should drive the conversation.

These objectives should be determined bybusiness impact, not simply by technology preference.

Not every workload needs the same DR

A payroll application may tolerate hours of downtime. A payment platform may not. A development environment may only require backup, while a mission-critical ERP platform might require replication and a preconfigured recovery environment. This suggests a tiered approach.

The objective is not to give every application the most expensive protection. It is to give every application theappropriate protection.

Recovery must be tested

A DR plan that has never been tested is still largely theoretical. Organisations should periodically validate:

• Data recovery
• Application startup
• Network configuration
• Security policies
• DNS
• Authentication
• Dependencies
• Recovery sequence
• User access

And, importantly:

Ransomware changes the conversation

Modern continuity planning must also consider cyber incidents. Automatically replicating encrypted or corrupted information to a recovery environment can undermine the recovery strategy.

Backup and DR architectures should therefore consider immutable or protected recovery points, retention policies and clean recovery procedures.

Build continuity around the business

Start with business services. Ask:

Then design the appropriate combination of backup, replication and disaster recovery. Because the objective isn’t simply to protect infrastructure. It is to keep the business operating.