vdsm-client --gluster-enabled GlusterVolume  globalVolumeOptions volumeName=gv0
{
    "globalOptionMap": {
        "cluster.brick-multiplex": "disable",
        "cluster.daemon-log-level": "INFO",
        "cluster.enable-shared-storage": "disable",
        "cluster.localtime-logging": "disable",
        "cluster.max-bricks-per-process": "250",
        "cluster.max-op-version": "60000",
        "cluster.op-version": "60000",
        "cluster.server-quorum-ratio": "51"
    }
}