Glusterfs

yum install glusterfs-server
systemctl enable glusterd
systemctl start glusterd
mkdir -p /glusterfs/data /mnt/<mountpoint>
gluster peer probe nodeX
gluster peer probe nodeY
gluster volume create <volume_name> replica <N> transport tcp nodeX:/glusterfs/data nodeY:/glusterfs/data ... force
gluster volume set <volume_name> auth.allow 127.0.0.1
gluster volume start <volume_name>
mount.glusterfs localhost:/<volume_name> /mnt/<mountpoint>
gluster volume status
gluster volume info <volume_name>