Skip to content

Disaster Recovery

Disaster recovery is the act of responding to an event that threatens business continuity. It is a subset of business continuity planning and focuses on the IT or technology systems that support business functions. Disaster recovery planning is a critical component of business continuity planning.

Backup and restore

  • Pros
  • Very common entry point
  • into AWS
  • Minimal effort configuration
  • Cons
  • Least flexibility
  • Analogous to off-site
  • backuop storage

Pilot Light

  • Pros
  • Faster recovery time
  • than backup and restore
  • More cost-effective
  • Cons
  • More complex
  • than backup and restore
  • Requires more resources

Warm Standby

  • Pros
  • All services are up and ready to accept a failover faster with less data loss
  • Can be used as a shadow environment for testing
  • Cons
  • Resources would need to be scaled to accept production load
  • Still requires some adjustments but could be scripted

Multi-Site

  • Pros
  • Can be used for active-active or active-passive
  • Can be used for disaster recovery or high availability
  • Cons
  • More complex than warm standby
  • More expensive than warm standby