rrdDef.addDatasource("Init", DsType.GAUGE, max, 0, Double.NaN);
rrdDef.addDatasource("Used", DsType.GAUGE, max, 0, Double.NaN);
rrdDef.addDatasource("Committed", DsType.GAUGE, max, 0, Double.NaN);
rrdDef.addDatasource("Max", DsType.GAUGE, max, 0, Double.NaN);
rrdDef.addArchive(AVERAGE, 0.5, 1, 1440);
rrdDef.addArchive(AVERAGE, 0.5, 30, 336);
rrdDef.addArchive(AVERAGE, 0.5, 60, 744);
rrdDef.addArchive(AVERAGE, 0.5, 1440, 336);
rrdDef.addArchive(MIN, 0.5, 1, 1440);
rrdDef.addArchive(MIN, 0.5, 30, 336);