The gluster administration guide is maintained at github. The browsable admin guide can be found here.
The doc patch has to be sent against the above mentioned repository.
The Gluster features which are 'in progress' or implemented can be found at github.
The gluster upgrade guide is maintained at github. The browsable upgrade guide can be found here
The doc patch has to be sent against the above mentioned repository.
For more details about the docuemntation workflow please refer this discussion