[rrd-users] my rrd can only be updated at/after 8:00 a.m.

[Michael Chan]

Dear all,

I want to plot the number of daily incoming and
outgoing email of my email server using rrdtool. What
I do is:

1. rotate my email log at 12:00 mid night
2. Run a script that can output the number of incoming
and outgoing email to a database called "email.rrd".

However, I found that I could only update the database
at or after 8:00 a.m. everyday. Therefore, I extract
the data from my database by "rrdtool fetch email.rrd
AVERAGE" and I c the following:

               in              out

993427200: 1.1333172454e+02 1.4733057870e+02
993513600: 2.0600000000e+02 3.0600000000e+02

In fact, 993427200 refers to "Mon Jun 25 08:00:00
2001" and 993513600 refers to "Tue Jun 26 08:00:00
2001". 

I think there may be something wrong with my database
so I re-create the database by:

rrdtool create email.rrd --start 992793600 --step
86400 DS:in:GAUGE:178000:U:U DS:out:GAUGE:178000:U:U
DS:insize:GAUGE:178000:U:U DS:outsize:G
AUGE:178000:U:U RRA:AVERAGE:0.5:1:600
RRA:AVERAGE:0.5:6:700 RRA:AVERAGE:0.5:24:775
RRA:AVERAGE:0.5:288:797 RRA:MAX:0.5:1:600
RRA:MAX:0.5:6:700 RRA:MAX:0.5:24:775
RRA:MAX:0.5:288:797

What I am trying to do is to force the "time-axis" of
my database to start at 12:00 midnight instead of 8:00
a.m. "992793600" in fact refers to "Mon Jun 18
00:00:00 2001"

However, the same problem happen. The "time-axis" of
my database is still starting at 8:00 a.m with an
increment of 86400s. 

Any idea?

Thank you!!


Regards,

Mic


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