#format wiki
#language en
= 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'''


== Disk usage ==
 * btrfs quota enable /var/lib/docker/btrfs/
 * btrfs qgroup show  /


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