description AWS CloudFormation StackSets Overview
While not a dedicated DR tool, CloudFormation StackSets is the gold standard for automating the *rebuild* phase of a disaster recovery plan. It allows you to deploy the exact same infrastructure stack across multiple AWS regions simultaneously or sequentially. By codifying your entire environment, you ensure consistency, which is the foundation of any successful DR strategy. It excels at repeatable, predictable infrastructure provisioning.
help AWS CloudFormation StackSets FAQ
What does AWS CloudFormation StackSets actually automate?
StackSets deploys CloudFormation stacks across multiple AWS accounts and Regions from one template. It is useful for repeating infrastructure such as IAM roles, logging resources, and recovery environments.
Can StackSets rebuild infrastructure after a disaster?
Yes, it can automate much of the infrastructure rebuild when the required resources are defined in CloudFormation templates. It does not by itself restore application data, database contents, or every external dependency.
How is StackSets different from a backup service?
StackSets stores and applies infrastructure definitions; it is not a backup system for user data. Services such as AWS Backup, S3 replication, or database-native backups handle data protection separately.
Can one StackSet target several AWS accounts?
Yes. StackSets can deploy to multiple accounts and Regions, either directly or through AWS Organizations integration. Permissions, quotas, dependencies, and regional service availability still need to be configured.
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