[rrd-users] Problem figuring out resolutions in fetches

[Jason Frisvold]

Hi there...

I'm having some problems with resolutions in RRDTool fetches...  (I
guess I just don't understand) ... At any rate, the RRD is defined as :

rrdtool create mytest.rrd DS:online:GAUGE:600:0:U DS:cable:GAUGE:600:0:U
DS:webtv:GAUGE:600:0:U RRA:MAX:0.5:1:105120

Now, I'm trying to fetch data at various resolutions.  Apparently I've
done something wrong somewhere because the return values are always the
same ...  Here's output of what I've tried :

[edc at dev files]$ /usr/local/rrdtool/bin/rrdtool fetch 58060.HArc.rrd MAX
-r 300 -s "20:00 12/11/2002" -e "21:00 12/11/2002"
                   online         cable         webtv

1039654800: 2.2834333333e+02 9.0000000000e+00 1.0000000000e+00
1039655100: 2.2426666667e+02 9.0000000000e+00 1.0000000000e+00
1039655400: 2.2688000000e+02 8.6266666667e+00 1.3733333333e+00
1039655700: 2.2500000000e+02 8.4666666667e+00 2.9333333333e+00

[edc at dev files]$ /usr/local/rrdtool/bin/rrdtool fetch 58060.HArc.rrd MAX
-r 1200 -s "20:00 12/11/2002" -e "21:00 12/11/2002"
                   online         cable         webtv

1039654800: 2.2834333333e+02 9.0000000000e+00 1.0000000000e+00
1039655100: 2.2426666667e+02 9.0000000000e+00 1.0000000000e+00
1039655400: 2.2688000000e+02 8.6266666667e+00 1.3733333333e+00
1039655700: 2.2500000000e+02 8.4666666667e+00 2.9333333333e+00

[edc at dev files]$ /usr/local/rrdtool/bin/rrdtool fetch 58060.HArc.rrd MAX
-r 60 -s "20:00 12/11/2002" -e "21:00 12/11/2002"
                   online         cable         webtv

1039654800: 2.2834333333e+02 9.0000000000e+00 1.0000000000e+00
1039655100: 2.2426666667e+02 9.0000000000e+00 1.0000000000e+00
1039655400: 2.2688000000e+02 8.6266666667e+00 1.3733333333e+00
1039655700: 2.2500000000e+02 8.4666666667e+00 2.9333333333e+00

Can someone please slap some sense into me?

Thanks,

-- 
---------------------------
Jason H. Frisvold
Senior ATM Engineer
Penteledata Engineering
friz at corp.ptd.net
RedHat Certified - RHCE # 807302349405893
---------------------------
"Something mysterious is formed, born in the silent void. Waiting alone
and unmoving, it is at once still and yet in constant motion. It is the
source of all programs. I do not know its name, so I will call it the
Tao of Programming."

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