filename = "tmhq_tsunami_snmp_oid_999.rrd"
rrd_version = "0003"
step = 300
last_update = 1183582210
ds[snmp_oid].type = "GAUGE"
ds[snmp_oid].minimal_heartbeat = 600
ds[snmp_oid].min = -1.0000000000e+02
ds[snmp_oid].max = 1.0000000000e+00
ds[snmp_oid].last_ds = "UNKN"
ds[snmp_oid].value = -8.9000000000e+02
ds[snmp_oid].unknown_sec = 0
rra[0].cf = "AVERAGE"
rra[0].rows = 2160
rra[0].pdp_per_row = 24
rra[0].xff = 5.0000000000e-01
rra[0].cdp_prep[0].value = -1.7800000000e+02
rra[0].cdp_prep[0].unknown_datapoints = 8
rra[1].cf = "AVERAGE"
rra[1].rows = 51840
rra[1].pdp_per_row = 1
rra[1].xff = 5.0000000000e-01
rra[1].cdp_prep[0].value = NaN
rra[1].cdp_prep[0].unknown_datapoints = 0
rra[2].cf = "AVERAGE"
rra[2].rows = 8736
rra[2].pdp_per_row = 6
rra[2].xff = 5.0000000000e-01
rra[2].cdp_prep[0].value = -1.7800000000e+02
rra[2].cdp_prep[0].unknown_datapoints = 2
rra[3].cf = "AVERAGE"





rrdtool dump ger:
<!-- Round Robin Archives -->   <rra>
                <cf> AVERAGE </cf>
                <pdp_per_row> 24 </pdp_per_row> <!-- 7200 seconds -->

                <params>
                <xff> 5.0000000000e-01 </xff>
                </params>
                <cdp_prep>
                        <ds>
                        <primary_value> 0.0000000000e+00 </primary_value>
                        <secondary_value> 0.0000000000e+00 </secondary_value>
                        <value> -1.7800000000e+02 </value>
                        <unknown_datapoints> 8 </unknown_datapoints>
                        </ds>
                </cdp_prep>
                <database>
                        <!-- 2007-01-05 23:00:00 CET / 1168034400 --> <row><v> NaN </v></row>
                        <!-- 2007-01-06 01:00:00 CET / 1168041600 --> <row><v> NaN </v></row>
                        <!-- 2007-01-06 03:00:00 CET / 1168048800 --> <row><v> NaN </v></row>
                        <!-- 2007-01-06 05:00:00 CET / 1168056000 --> <row><v> NaN </v></row>
                        <!-- 2007-01-06 07:00:00 CET / 1168063200 --> <row><v> NaN </v></row>
                        <!-- 2007-01-06 09:00:00 CET / 1168070400 --> <row><v> NaN </v></row>