Glossary term
What is DR (Disaster Recovery)?
DR stands for Disaster Recovery.
Plans and systems to recover from major disasters. Example: Restoring in another region after a data-centre fire.
Learn it properly · System DesignLesson 45: Backups & Disaster Recovery: RPO vs RTOReplication faithfully copies a mistaken DELETE, ransomware or silent corruption to every replica in milliseconds. Why backups are a different thing, how RPO and RTO drive every decision, point-in-time recovery, the 3-2-1 rule, the four DR strategies, and why an untested backup is only a hope.