docker-machine create -d virtualbox DataNode1 && \
 docker-machine create -d virtualbox DataNode2 && \
 docker-machine create -d virtualbox Node2 && \
 docker-machine create -d virtualbox Node1

## On DataNode1 and DataNode2
docker run --name gluster2 --hostname=gluster2 -d --privileged=true \
 -p 111:111 \
 -p 24007:24007 \
 -p 24008:24008 \
 -p 38465:38465 \
 -p 24009-24109:24009-24109 \
 -p 49152-50152:49152-50152 \
 gluster/gluster-centos

### Inside container
####create /etc/hosts like:
192.168.99.100  DataNode1
127.0.0.1       DataNode2

####Attach peers
gluster peer probe DataNode2

#### Create testing directory
mkdir /test

#### Create testing replicated volume
gluster volume create test-volume replica 2 transport tcp DataNode1:/test DataNode2:/test force

#### Start volume
gluster volume start test-volume

# gluster volume status
Status of volume: test-volume
Gluster process                             TCP Port  RDMA Port  Online  Pid
------------------------------------------------------------------------------
Brick DataNode1:/test                       49152     0          Y       414
Brick DataNode2:/test                       49152     0          Y       281
Self-heal Daemon on localhost               N/A       N/A        N       N/A
Self-heal Daemon on DataNode2               N/A       N/A        N       N/A

Task Status of Volume test-volume
------------------------------------------------------------------------------
There are no active volume tasks