On Tue, Jun 03, 2008 at 05:15:35AM -0700, mobi wrote: > hi, Hi. > /usr/local/rrd/bin/rrdtool update /usr/local/rrd/db/host1/test.rrd N:1239 > and i get no error on insert, but when i look in the graph or dump the rrd > this also doesnt happen all the time, but only some time with no pattern. > anyone has a clue what can it be ? Time drift? I've seen something like that on systems with a unstable system clock and without ntp.
Try using the correct time (date +'%s' on Linux) instead of N.
e.g.:
now=`date +'%s'`
rrdtool update [...] ${now}:[...]
(and check the values of $now)
and of course run ntp to keep your system time stable.
HTH,
Andreas.
--
Dipl.-Ing. Andreas Maus science+computing ag
System Administration Hagellocher Weg 73
tel.: +49 7071 9457 671 72070 Tuebingen, Germany
fax: +49 7071 9457 411 www.science-computing.de
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