[mrtg] Re: logfile to rrdtool migration

IVO ALMEIDA ivo.almeida at millenniumbcp.pt
Fri Dec 30 13:07:18 MET 2005

I've an old mrtg implementation, based in logfiles, wich I migrated to mrtg 2.10.15.
Everything appears to be fine, and my new instalation is running well.
The problem is when I tried to convert my old logfiles to rrd.
I configure the cfg file as described in http://people.ee.ethz.ch/~oetiker/webtools/mrtg/mrtg-rrd.html, but the result is:
[mrtg at rh-as-v4 nortel.old]$ mrtg --debug="base,rrd" eqsigchan.cfg
--base: Creating Lockfiles eqsigchan.cfg_l,eqsigchan.cfg_l_7209
--base: Reading Config File: eqsigchan.cfg
--base: Reading Interface Config cache
--base: Checking Config File
--rrd: found rrdtool in /usr/local/rrdtool/bin/rrdtool
--base: Loading RRD support
--base: Loading default Locale
--base: Starting main Loop
--base: Populate Target object by polling SNMP and external Datasources
--base: Act on Router/Target 5outsigch
--base: Get Current values: in:0, out:0, up:unknown, name:unknown, time:1135709606
--base: Create Graphics
--base: start RRDtool section
--base: maxi:30, maxo:30
--base: converting /var/www/html/mrtg-data/nortel.old/eqsigchan/5Outubro/5outsigch.log to RRD format
--rrd: converting /var/www/html/mrtg-data/nortel.old/eqsigchan/5Outubro/5outsigch.log
ERROR: Can only restore version >= 2 (Not 0001). Dump your old rrd using a current rrdtool dump.
ERROR: Cannot update /var/www/html/mrtg-data/nortel.old/eqsigchan/5Outubro/5outsigch.rrd with '1135709606:0:0' opening '/var/www/html/mrtg-data/nortel.old/eqsigchan/5Outubro/5outsigch.rrd': No such file or directory
ERROR: Cannot 'last' /var/www/html/mrtg-data/nortel.old/eqsigchan/5Outubro/5outsigch.rrd: opening '/var/www/html/mrtg-data/nortel.old/eqsigchan/5Outubro/5outsigch.rrd': No such file or directory
Use of uninitialized value in subroutine entry at /usr/bin/mrtg line 683.
Use of uninitialized value in subroutine entry at /usr/bin/mrtg line 683.
ERROR: Cannot 'fetch' /var/www/html/mrtg-data/nortel.old/eqsigchan/5Outubro/5outsigch.rrd: start time: unparsable time: 
Any help?
By the way, I'm using mrtg with rrdtool in the same system with other cfg files with no problem.
Ivo Almeida
bcp Serviços
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