[mrtg] Re: Wrong figures being graphed?!

[Mike Koch]

I can explain you what is in the log files :

1) The first line is the last result that MRTG got. The first number is the
number of seconds since 1st January 1970. It's a 'universal' notation, and
easier to do differences between dates. The second and third numbers are the
results returned by your script: here 238 and 238. So, actually, your
scripts is running fine.

2) All the others lines are an historic: you can see the time decreasing in
the first column, every 5 minutes (300 seconds). The second and third
columns are the results of your script at these dates. So you can see that
there is a lot of 0, but now it seems to work.

So what is going on ? MRTG put 0 values in the log. It can be because of
various things: value greater than MaxBytes (don't seems the case here),
problem of rights with executing the script (if it worked before, has
something been changed ?), a problem with the script itself...

By the way, I've got MRTG 2.9.17 and I'm pretty sure that you have to give 4
values when calling an external script. But maybe that wasn't the case with
older versions.

Maybe we can help you if you provide other informations...

Cheers.


-----Original Message-----
From: Michael Bartlett [mailto:michael_jw_bartlett at hotmail.com]
Sent: lundi 27 août 2001 11:24
To: Mike Koch; MRTG Mailing List (E-mail)
Subject: Re: [mrtg] Re: Wrong figures being graphed?!


hi mike
as far as i am aware, you don't need the 2nd two figures - they are
optional. i don't use them in any of my other scripts...
herewith the paste of the log file:
998903534 238 238
998903534 238 238 238 238
998903523 245 245 248 248
998903400 0 0 0 0
998903100 0 0 0 0
998902800 0 0 0 0
998902500 0 0 0 0
998902200 0 0 0 0
998901900 0 0 0 0

i've also got another graph as well that isn't responding correctly to
input. its all a bit strange...
cheers
mike
----- Original Message -----
From: "Mike Koch" <Mike.Koch at etsi.fr>
To: "MRTG Mailing List (E-mail)" <mrtg at list.ee.ethz.ch>
Sent: Monday, August 27, 2001 8:07 AM
Subject: [mrtg] Re: Wrong figures being graphed?!


>
> Hi,
>
> I'm not 100% sure, but I think that you script must return :
> 75
> 75
> 0
> 0
>
>  -> Note the two zeroes... They are mandatory I believe.
>
> In order ro help, could you grab the first lines of your log file and give
> them to us ?
>
>
> -----Original Message-----
> From: Michael Bartlett [mailto:michael_jw_bartlett at hotmail.com]
> Sent: lundi 27 août 2001 04:21
> To: mrtg at list.ee.ethz.ch
> Subject: [mrtg] Wrong figures being graphed?!
>
>
>
>  hi all
> i've just started running mrtg (2.8.12)
> i've got a configuration entry that looks like this:
>
> Target[performance.disc]: `/usr/local/etc/mrtg/scripts/file_stats.sh`
> MaxBytes[performance.disc]: 1000
> Title[performance.disc]: Open Files
> PageTop[performance.disc]: <H1>Open Files</H1>
> Options[performance.disc]: growright, gauge
> ShortLegend[performance.disc]: F
> Legend1[performance.disc]: Open Files
>
> now, if i run file_stats.sh manually - at this point in time i get:
>
> su-2.03# ./file_stats.sh
> 75
> 75
>
> if i take a look at my graph, the has been an original spike of 72 (which
> was about 30 mins ago), but its now registering no data as can be
> illustrated by pasting:
>
> Max  In:72.0 F (7.2%) Average  In:41.0 F (4.1%) Current  In:0.0 F (0.0%)
> Max  Out:72.0 F (7.2%) Average  Out:41.0 F (4.1%) Current  Out:0.0 F
(0.0%)
>
>
> i would have expected that behaviour if i didn't have the "gauge" in the
> options. any idea why on earth i would be getting such results. is there
any
> way to run mrtg so that it prints out the output of each script that it
runs
> so i can maybe see what is going on? i've tried looking at the log file,
but
> it doesn't make much sense to me!
>
> additionally. on the same graph, if i look at the weekly graph, its values
> appear to be less than the daily (max values):
> Max  In: 35.0 F (3.5%)   Average  In: 35.0 F (3.5%)   Current  In: 0.0 F
> (0.0%)
> Max  Out: 35.0 F (3.5%)   Average  Out: 35.0 F (3.5%)   Current  Out: 0.0
F
> (0.0%)
>
> sure the average should be different, yes, but the Max must be the same
> because the week time period has to experience the same Max value of a day
> time perioud. or is the 30 minute calls done as snapshot and not averages?
>
> cheers
> mike
>
>
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