• docker
• docker-btrfs

Docker on btrfs filesystem

• On btrfs docker does not used a stacked driver, but uses the native features in btrs.

  • Images saves under /var/lib/docker/ on 16.04 as subvol=/@/var/lib/docker/btrfsUbuntu

  • verify that btrfs is used with $ docker info

  • check space usage with $ btrfs filesystem df /var/lib/docker

  • and disk used $ btrfs fi show /var/lib/docker

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