md:~$ rrdtool create rrd/1.rrd --start 1204556150 DS:bw:COUNTER:600:0:U DS:avg_1h:COMPUTE:bw,600,TREND RRA:AVERAGE:0.5:1:288 RRA:AVERAGE:0.5:3:96 RRA:AVERAGE:0.5:12:24 RRA:AVERAGE:0.5:72:28 RRA:AVERAGE:0.5:288:31 RRA:MIN:0.5:12:24 RRA:MAX:0.5:12:24
md:~$ rrdtool update rrd/1.rrd -t bw 1204556151:710596680
md:~$ rrdtool update rrd/1.rrd -t bw 1204556305:710698600
md:~$ rrdtool update rrd/1.rrd -t bw 1204559264:714407170
ERROR: malformed trend arguments
md:~$ rrdtool update rrd/1.rrd -t bw 1204559266:714424680
ERROR: malformed trend arguments
md:~$ rrdtool update rrd/1.rrd -t bw 1204559307:714467680
ERROR: malformed trend arguments
md:~$ rrdtool update rrd/1.rrd -t bw 1204559332:714484250
ERROR: malformed trend arguments
md:~$ rrdtool update rrd/1.rrd -t bw 1204559335:714500820
ERROR: malformed trend arguments
md:~$ rrdtool update rrd/1.rrd -t bw 1204559501:714797000
ERROR: malformed trend arguments
md:~$ rrdtool update rrd/1.rrd -t bw 1204559516:714813570
ERROR: malformed trend arguments
md:~$ rrdtool update rrd/1.rrd -t bw 1204559526:714838980
ERROR: malformed trend arguments