server.vol (on both servers)

volume storage
    type storage/posix
    option directory /mnt/storage
end-volume

volume server
    type protocol/server
    option transport-type tcp/server
    option bind-address 10.0.1.102
    subvolumes storage
    option auth.ip.brick.allow 10.0.1.*
end-volume

client.vol:

volume vs01
    type protocol/client
    option transport-type tcp/client
    option remote-host 10.0.1.102
    option remote-subvolume storage
end-volume

volume storage
    type cluster/unify
    subvolumes vs01
    option rr.limits.min-free-disk 10GB
    option scheduler rr
end-volume