Download the source:
git clone https://github.com/joejulian/glusterfs-splitbrain.git splitmount
cd splitmount
To install splitmount in your home directory:
python setup.py install --user
To install splitmount system wide:
python setup.py install
Prior to GlusterFS 3.6.2 this tool requires the gluster cli. Post 3.6.2 it uses libgfapi. Ensure the package for your distribution is installed that provides this requirement.