[mrtg] Re: mrtg, extOutput.1, snmp

[Bill]

    Thanks for the help. I figured out what it was. When I used a Perl
script to telnet to the mail server and get the stats I had the Perl script
get the difference in the messages transferred over the past 5 minutes. So I
had the MaxBytes set to 1000. With this method the difference is not
calculated so the MaxBytes was too low.

    I also had the "Option: gauge" set so I had to remove that option.

    Also, I tried the debugging specified below but my MRTG says it doesn't
know that option. I have the MRTG that came with RedHat 9. it is version
2.9.17-13

      Bill


----- Original Message ----- 
From: William Owen
To: 'Bill'
Sent: Thursday, December 29, 2005 4:17 PM
Subject: RE: [mrtg] mrtg, extOutput.1, snmp


Try running MRTG interactively and tack -debug=base,snpo,log onto the end of
the command.  This will show basic debugging along with SNMP debugging and
RRDTool log debugging.  The output from this should allow you to pinpoint
where you are having a failure.  If it isn't obvious from there, post the
output to the list and you should get some help.

-----Original Message-----
From: Bill [mailto:admin at vci.net]
Sent: Thursday, December 29, 2005 3:38 PM
To: mrtg at list.ee.ethz.ch
Subject: [mrtg] mrtg, extOutput.1, snmp

    I have mrtg monitoring my sendmail stats using a script that telnet's to
my mail servers and gets the stats. Today, I was trying to change the data
collection method to use get the email stats using snmpd. I added an "ext"
option to snmpd.conf and wrote a script to return the stats. When I do an
snmpget from the monitoring server it works perfect. I changed the source in
my mrtg config file and run mrtg. It runs without any errors but my RRD
files don't record the data. It's filled with NaN. After I wait about 30
minutes the entire RRD file is still NaN.

    I've done everything I know to do. I've never had this much difficulty
getting something to graph and I can't figure out why this doesn't work.
Anyone have any ideas.

    Bill

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