[rrd-users] rrd starting at a certain date
linux at thehobsons.co.uk
Tue Apr 13 10:20:23 CEST 2010
Stefan M. Brandl wrote:
>I want to create a rrd-database starting at Friday Feb. 26 2010 and have
>a step of one week.
>If I do
>rrdtool create test.rrd --start 1267056000 --step 604800
>the resulting rrd starts at Thursday Feb. 25.
>Regardless how I set the start-date, it is always set to Thursday.
>What am I doing wrong here?
Your email says +2 (European summer time ?), so midnight by your
clock is 22:00 UTC. RRCTool only uses UTC.
In any case, the start time in an RRD file is largely irrelevant.
Once you've done a single update, then that will set the minimum time
for a future update, and the start time of each consolidated data set
will be determined by the step time, number of PDPs per CDP, and the
number of CDPs to keep.
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