Btrfs storage in practice (Engine)
Docker and Btrfs in practice
Btrfs is a next generation copy-on-write filesystem that supports many advanced storage technologies that make it a good fit for Docker. Btrfs is included in the mainline Linux kernel and its on-disk-format is now considered stable. However, many of its features are still under heavy development and users should consider it a fast-moving target.
Docker’s btrfs storage driver leverages many Btrfs features for image and container management. Among these features are thin provisioning, copy-on-write, and snapshotting.
This article refers to Docker’s Btrfs storage driver as btrfs and the overall Btrfs Filesystem as Btrfs.
Note: The Commercially Supported Docker Engine (CS-Engine) does not currently support the
btrfsstorage d
