D

Disaster Recovery

Disaster recovery plans and processes enable organizations to recover IT systems after catastrophic events.

What is Disaster Recovery?

Disaster recovery (DR) is the process, policies, and procedures for recovering technology infrastructure and systems following a natural or human-induced disaster.

DR strategies

Backup and restore, Pilot light, Warm standby, Hot standby/active-active.

Common misconceptions

  • "Cloud eliminates DR need" — Cloud needs DR planning too
  • "DR testing is optional" — Critical for validation
  • "DR is just IT" — Business continuity collaboration