[mrtg] Re: mrtg-2.9.17-1 - No graphs!

James Schnack acrux14 at hotmail.com
Thu Jun 13 15:53:03 MEST 2002

Hi Chris,

Is the log file getting any values written to it ? What does a "head 
whatever-it-is-called.log" show ?

If you only find zeros in it, you may want to run the script manually and 
check returned values against MaxBytes value... I understand that if MRTG 
gets values that exceed MaxBytes it will silently discard them.

Also check if you get any email sent to the user running MRTG, with error 

Last, I assume your flat line is at "zero bytes", right ? Otherwise, a flat 
line is the usual for disk consumption, at least for a few hours' period 
(when it grows faster than that, you may be looking at trouble!).

Let us know how it went!



>From: Chris Murley <murley at townnews.com>
>To: mrtg at list.ee.ethz.ch
>Subject: [mrtg] mrtg-2.9.17-1 - No graphs!
>Date: Wed, 12 Jun 2002 12:42:48 -0500 (CDT)
>Hello, I'm tring to graph the disk usage using mrtg on my redhat linux
>box, here is my setup:
>Title[home]: /home disk usage
>Target[home]: `/home/webpages/mrtg/mrtg-df.sh /home`
>PageTop[home]: /home disk usage
>MaxBytes[home]: 19777360
>kMG[home]: K,M,G,T
>YLegend[home]: Disk usage
>ShortLegend[home]: bytes
>LegendO[home]: Usage
>Options[home]: gauge noi
>But for some odd reason, mrtg only ever graphs a flat line.
>Anyone have any clues as to why?
>I'm sure i'm missing something obvious, but i'm going on 4 hours tring to
>get this working and it's driving me crazy.
>Thanks for any and all help!
>  -Chris
>Christopher Murley                PHONE: 309.743.0800
>Senior Systems Administrator  TOLL FREE: 800.293.9576
>TownNews.com \ Lee Enterprises      FAX: 309.743.0830
>1521 47th Avenue                 E-Mail: murley at TownNews.com
>Moline, Illinois 61265              Web: http://www.TownNews.com
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