// Module included in the following assemblies:
//
// * storage/persistent_storage/persistent-storage-csi-aws-efs.adoc
// 
:_mod-docs-content-type: CONCEPT
[id="efs-one-zone-intro_{context}"]
= One Zone file systems

[role="_abstract"]
You can use AWS Elastic File System (EFS) One Zone file systems to store data redundantly within a single Availability Zone (AZ), offering a lower-cost storage option compared to multi-AZ regional storage.