[rrd-users] Time-Problem

[Bernhard.Zebedin at infineon.com]

Hello.
The tool works great, but I have a time-Problem.
I want to write one value per day (midnight) to the database.

---------------------------------This is my perl-programm to generate the
rrd-file---------------
#! /usr/bin/perl
#makes things work when run without install
use lib qw( ../perl-shared/blib/lib ../perl-shared/blib/arch );
# this is for after install
use lib qw( /usr/local/rrdtool-1.0.33/lib/perl ../lib/perl );

use RRDs;
use Time::Local;

($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst)=localtime(time);

$year=$year+1900;
$today=timelocal(0,0,0,$mday,$mon,$year);

# subtracting the value of 370 days in seconds from today
$start=$today-(370*24*60*60);
$rrd=$ARGV[0];

RRDs::create ($rrd, "--start",$start,"--step",86400,
              "DS:peak:GAUGE:86400:U:U",
              "RRA:MAX:0:1:380",
);
my $ERROR = RRDs::error;
die "$0: unable to create `$rrd': $ERROR\n" if $ERROR;

-------------------------------------END OF the PERL
prog-----------------------

With the following command I retrieve data from the rrd-file

rrdtool fetch test.rrd --start 965167200 MAX

965167200 is 08/02/2000  00:00:00

and I get the following lines:
 965088000: nan
 965174400: nan
 965260800: nan
 965347200: nan
 965433600: nan
 965520000: nan
 965606400: nan
 965692800: nan
 965779200: nan

965088000 is 08/01/2000 02:00:00

Why does the data-intervalls are at 02:00 and not at 00:00 ??

best regaards
Bernhard Zebedin



--------------------------------------------------------------------
Bernhard Zebedin
Infineon Technologies 
Microelectronic Design Centers Austria GmbH
     Design Center Villach
Siemensstrasse 2, A-9500 Villach
Tel.	++43 4242 305 6197
Fax	++43 4242 305 6389
mailto:Bernhard.Zebedin at infineon.com
internet: http://www.infineon.com/
--------------------------------------------------------------------


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