[mrtg] MRTG not updating RRD files

Steve Shipway s.shipway at auckland.ac.nz
Thu Aug 27 00:16:53 CEST 2009

Are you running MRTG with logging enabled?  Check the logs, any error messages being produced?  MRTG is usually pretty good about producing an error message if it has a problem.

Which version of RRDTool are you running?  Try updating to the latest if you have an early 1.3.x version, I think they had some errors.


From: mrtg-bounces at lists.oetiker.ch [mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of Georges Touma
Sent: Wednesday, 26 August 2009 9:14 p.m.
To: mrtg at lists.oetiker.ch
Subject: [mrtg] MRTG not updating RRD files

Hi list,

We are using: mrtg-2.15.1 on RHEL 4.0

We currently monitoring 300 routers.

Problem Description:

MRTG server stops updating the RRDBs while the MRTG process is still running.

We tried het below:

1-    Stopped and restarted the MRTG processes, RDDBs are update for a period and then stopped again.

2-    Increased the child processes (Forks) from 4 to 6 processes, RDDBs are update for a period and then stopped again.

Has anyone faced this problem before?

Any pointers on where the problem is, id highly appreciated.

Best regards,

Georges Touma

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