/usr/bin/rrdtool create \
/var/www/FOO/htdocs/cacti/rra/BAR_proc_16.rrd \
--step 300  \
DS:snmp_oid:GAUGE:600:0:500 \
RRA:AVERAGE:0.5:1:25920 \
RRA:AVERAGE:0.5:6:9000 \
RRA:AVERAGE:0.5:24:2250 \
RRA:AVERAGE:0.5:288:797 \
RRA:MIN:0.5:1:25920 \
RRA:MIN:0.5:6:9000 \
RRA:MIN:0.5:24:2250 \
RRA:MIN:0.5:288:797 \
RRA:MAX:0.5:1:25920 \
RRA:MAX:0.5:6:9000 \
RRA:MAX:0.5:24:2250 \
RRA:MAX:0.5:288:797 \
RRA:LAST:0.5:1:25920 \
RRA:LAST:0.5:6:9000 \
RRA:LAST:0.5:24:2250 \
RRA:LAST:0.5:288:797 \