monitor:/var/lib/cacti/rra# rrdtool dump tmhq_tsunami_snmp_oid_1002.rrd | tail -n 10
                        <!-- 2007-06-28 02:00:00 CEST / 1182988800 --> <row><v> NaN </v></row>
                        <!-- 2007-06-29 02:00:00 CEST / 1183075200 --> <row><v> NaN </v></row>
                        <!-- 2007-06-30 02:00:00 CEST / 1183161600 --> <row><v> NaN </v></row>
                        <!-- 2007-07-01 02:00:00 CEST / 1183248000 --> <row><v> NaN </v></row>
                        <!-- 2007-07-02 02:00:00 CEST / 1183334400 --> <row><v> NaN </v></row>
                        <!-- 2007-07-03 02:00:00 CEST / 1183420800 --> <row><v> NaN </v></row>
                        <!-- 2007-07-04 02:00:00 CEST / 1183507200 --> <row><v> NaN </v></row>
                </database>
        </rra>
</rrd>
monitor:/var/lib/cacti/rra# clear
monitor:/var/lib/cacti/rra# rrdtool dump tmhq_tsunami_snmp_oid_999.rrd | tail -n 10
                        <!-- 2007-06-28 02:00:00 CEST / 1182988800 --> <row><v> NaN </v></row>
                        <!-- 2007-06-29 02:00:00 CEST / 1183075200 --> <row><v> NaN </v></row>
                        <!-- 2007-06-30 02:00:00 CEST / 1183161600 --> <row><v> NaN </v></row>
                        <!-- 2007-07-01 02:00:00 CEST / 1183248000 --> <row><v> NaN </v></row>
                        <!-- 2007-07-02 02:00:00 CEST / 1183334400 --> <row><v> NaN </v></row>
                        <!-- 2007-07-03 02:00:00 CEST / 1183420800 --> <row><v> NaN </v></row>
                        <!-- 2007-07-04 02:00:00 CEST / 1183507200 --> <row><v> NaN </v></row>
                </database>
        </rra>
</rrd>
monitor:/var/lib/cacti/rra# rrdtool dump tmhq_tsunami_snmp_oid_1000.rrd | tail -n 10
                        <!-- 2007-06-28 02:00:00 CEST / 1182988800 --> <row><v> NaN </v></row>
                        <!-- 2007-06-29 02:00:00 CEST / 1183075200 --> <row><v> NaN </v></row>
                        <!-- 2007-06-30 02:00:00 CEST / 1183161600 --> <row><v> NaN </v></row>
                        <!-- 2007-07-01 02:00:00 CEST / 1183248000 --> <row><v> NaN </v></row>
                        <!-- 2007-07-02 02:00:00 CEST / 1183334400 --> <row><v> NaN </v></row>
                        <!-- 2007-07-03 02:00:00 CEST / 1183420800 --> <row><v> NaN </v></row>
                        <!-- 2007-07-04 02:00:00 CEST / 1183507200 --> <row><v> NaN </v></row>
                </database>
        </rra>
</rrd>
monitor:/var/lib/cacti/rra# rrdtool dump tmhq_tsunami_snmp_oid_1001.rrd | tail -n 10
                        <!-- 2007-06-28 02:00:00 CEST / 1182988800 --> <row><v> NaN </v></row>
                        <!-- 2007-06-29 02:00:00 CEST / 1183075200 --> <row><v> NaN </v></row>
                        <!-- 2007-06-30 02:00:00 CEST / 1183161600 --> <row><v> NaN </v></row>
                        <!-- 2007-07-01 02:00:00 CEST / 1183248000 --> <row><v> NaN </v></row>
                        <!-- 2007-07-02 02:00:00 CEST / 1183334400 --> <row><v> NaN </v></row>
                        <!-- 2007-07-03 02:00:00 CEST / 1183420800 --> <row><v> NaN </v></row>
                        <!-- 2007-07-04 02:00:00 CEST / 1183507200 --> <row><v> NaN </v></row>
                </database>
        </rra>
</rrd>
monitor:/var/lib/cacti/rra#