[rrd-users] PROBLEM: RRDTOOL and MRTG

John M. Campbell JohnMCampbell at Jabil.com
Fri Mar 22 18:38:38 MET 2002

I am having a problem.  I have installed RRDTOOL 1.0.34 and MRTG 2.9.18pre2
on a Linux box.

Everything looks like it runs fine, except when I query the data (using
RRDTOOL FETCH), it comes back with NAN for every value.

I tried it with existing MRTG logs, and it converts fine.

I tried it with no logs, and it creates the RRD files fine.

The MRTG log file shows that it does the tune, update, last, and fetch, but
the log shows that "got: / ".  The update is actually updating the data with

The RRDTOOL LAST function returns the correct updated date that was entered.

I have found that if I do an update with a time that is in the database
("1016817300:25:25" for instance), it can be fetched.

Is there a problem somewhere, or have I just misconfigured something, or
should I go back and get a previous version of MRTG?

Thank you,
John M. Campbell
IT Manager
Jabil Global Services, Inc.
Louisville, Kentucky

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