volume HDD1
  type protocol/client
  option transport-type tcp
  option remote-host 127.0.0.1
  option remote-subvolume brick0
end-volume

volume HDD1-remote
  type protocol/client
  option transport-type tcp
  option remote-host 10.10.10.2         # IP address of the remote brick
  option remote-subvolume brick0        # name of the remote volume
end-volume

volume HDD2
  type protocol/client
  option transport-type tcp
  option remote-host 127.0.0.1
  option remote-subvolume brick1
end-volume

volume HDD2-remote
  type protocol/client
  option transport-type tcp
  option remote-host 10.10.10.2
  option remote-subvolume brick1
end-volume

volume distribute
  type cluster/distribute
  subvolumes HDD1 HDD1-remote HDD2 HDD2-remote
end-volume