10.2.5 · Skill in Reliability engineering
Backups and disaster recovery
Being able to restore data and service after a major failure.
Backups that have never been restored are hopes, not backups. Disaster recovery plans set how much data you can lose and how long you can be down. Testing restores regularly is the only proof they work.
Resources
3- docsStart herePerform periodic recovery of the data to verify backup integrity ↗AWS Well-Architected · 6 min
Why a backup only counts once you have restored it, and how to test restores on a schedule.
- docsStart hereWhat are business continuity, high availability and disaster recovery? ↗Microsoft Learn · 2026 · 20 min
Clear definitions of RPO and RTO and how they shape a recovery plan.
- docsGo deeperDisaster recovery options in the cloud ↗AWS · 19 min
From backup and restore to multi-site setups, with what each costs and how fast it recovers.
Tools
none yetTools for this topic are being researched.