[mrtg] puzzling RRDs::tune error

[Greg Cunningham]

Hello
I have had MRTG & RRD running for about a year, Then I discovered that it
had stopped working about 2 months previous.  The root mailbox had a few k
of the following cron error:

Undefined subroutine &RRDs::tune called at /usr/bin/mrtg line 682.

code snippet from /usr/bin/mrtg:
        } else {
            # update the minimum/maximum according to maxbytes/absmax
            # and (re)set the data-source-type to reflect cfg changes
            # cost: 1 read/write cycle, but update will reuse the buffered
data
            my @args = ($dotrrd, '-a', "ds0:$absi", '-a', "ds1:$abso",
                       '-d', "ds0:$up_abs", '-d', "ds1:$up_abs");
 ------>    RRDs::tune(@args);
            my $e = RRDs::error();
            warn "ERROR: Cannot tune logfile: $e\n" if $e;
            debug('log', "Called: RRDs::tune(@args)");
        }
 
The puzzling thing is that my RRDs, which I snarfed with 'perl -MCPAN -e
shell' is found at:

/usr/lib/perl5/site_perl/5.8.5/Log/Log4perl/Appender/RRDs.pm

MRTG finds it with
LibAdd: /usr/lib/perl5/site_perl/5.8.5/Log/Log4perl/Appender/

... But RRDs.pm ___doesn't__have__a__tune()__subroutine___.  

More puzzling, my problem appears unique as I haven't discovered a single
reference to RRDs::tune after several hours surfing.  

This is a Fedora Core 3 install.
--
Greg Cunningham BAppComp, RHCE   ph +61 3 6440 7453
Systems Analyst                  fx +61 3 6440 6455
Harris & Company Pty. Ltd.       mo    0407 056 788
mailto:greg.cunningham at harrisgroup.com.au

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