Docker overlayfs Storage Backend

Internal

• Docker Concepts - Storage Backend

Overview

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html-single/7.3_Release_Notes/index.html#technology_previews_file_systems

Info

At runtime, general statistics on the overlayfs storage driver can be obtained with:

docker info
[...]
Storage Driver: overlay2
 Backing Filesystem: extfs
 Supports d_type: true
 Native Overlay Diff: true
[...]
Docker Root Dir: /var/lib/docker
[...]