Cross-region disaster recovery
Write the numbers first in the recovery objective planner. Rehearsal steps sit in region failover. Failure-domain vocabulary is in regions, availability zones and failure domains.
Reliability and disaster recovery
Reliability work here is failure-domain design: what an availability zone covers, what a region loss requires, and which RTO and RPO you can actually test.
Who this topic is for
SRE and architecture owners who need a recovery region pair and a failover runbook.
Problems these pages cover
- DR is a second region on a slide with no SKU check and no drill date.
- AZ-redundant services are treated as region-redundant.
- RTO and RPO were never written per data store.
Recommended reading order
Guides in this topic
Related runbooks
Related tools
Consulting
Scoped review for this topic: Cloud architecture consulting.