List out number of storage/volume drivers supported by docker?

  • overlay2 / overlay – default storage driver for all linux flavors
  • aufs – AUFS is a union filesystem, which means it presents multiple directories called branches, in AUFS as a single directory on a single Linux host. These directories are known as layers in Docker.
  • devicemapper – It is a block storage driver that stores data in blocks.
  • btrfs – Only supported on SLES machine
  • zfs – a next-generation filesystem that has many features like volume management, snapshots, checksumming, compression and deduplication, replication, etc.
  • vfs – for testing purposes and not recommended for production use