From this
<DATASOURCE>
<TEMPLATE>check_mk-df</TEMPLATE>
<RRDFILE>/opt/omd/sites/mysite/var/pnp4nagios/perfdata/XXX/fs_C__DiskLibrary_MP_MON_NG_046__trend.rrd</RRDFILE>
<RRD_STORAGE_TYPE>MULTIPLE</RRD_STORAGE_TYPE>
<RRD_HEARTBEAT>8460</RRD_HEARTBEAT>
<IS_MULTI>0</IS_MULTI>
<DS>1</DS>
<NAME>trend</NAME>
<LABEL>trend</LABEL>
<UNIT></UNIT>
<ACT>1334.391368</ACT>
<WARN></WARN>
<WARN_MIN></WARN_MIN>
<WARN_MAX></WARN_MAX>
<WARN_RANGE_TYPE></WARN_RANGE_TYPE>
<CRIT></CRIT>
<CRIT_MIN></CRIT_MIN>
<CRIT_MAX></CRIT_MAX>
<CRIT_RANGE_TYPE></CRIT_RANGE_TYPE>
<MIN>0</MIN>
<MAX>1048575.229167</MAX>
</DATASOURCE>
How to create the RRD file fs_C__DiskLibrary_MP_MON_NG_046__trend.rrd
?