Disaster recovery (DR) involves a set of policies, tools, and procedures to enable the recovery or continuation of vital technology infrastructure and systems following a natural or human-induced disaster. Disaster recovery focuses on the I.T or technology systems supporting critical business functions, as opposed to business continuity, which involves keeping all essential aspects of a business functioning despite significant disruptive events. Disaster recovery is therefore a subset of Business Continuity.
1. Maintaining backups in 3-2-1 rule.
2. Maintaining multiple network resilience.
3. Backup power(Generators and Power Inverters)
4. Maintaining replication servers primary, warm, hot and cold.
5. Maintaining snapshots.