[rrd-users] MRTG RRD collector failing on one host

[Chris Robb]

I've got one barrier to rolling out our network's new RRD-based collection
and turning down the backup MRTG logfile-based collectors: when using MRTG
to collect the data into the RRDs, failure to collect on one host in the
config file stops processing for the entire config. This is a problem
when, say, and interface moves or an IP address changes. With traditional
MRTG, if that interface can't be collected against, it's values aren't
written, but the other configured collections are populated. Not so with
MRTG, using RRD as the backend. If one collection fails, all subsequently
configured collections also fail.

Is there any way around this or is this a bug?

-Chris

Chris Robb
Indiana University Global NOC
Abilene/TransPAC Network Engineer
chrobb at iu.edu  Desk: 812-855-8604 Cell: 812-325-8199

---------- Forwarded message ----------
Date: Tue, 14 Jan 2003 17:09:09 -0500
From: Cron Daemon <root at stryper.uits.iu.edu>
To: monitoring at stryper.uits.iu.edu
Subject: Cron <monitoring at stryper> /usr/local/mrtg/bin/mrtg
    /home/monitoring/rrd-monitors/abilene/etc/abilene-mrtg.cfg

WARNING: Could not match host:'ab-peek at 198.32.8.251:::::2' ref:'Ip' key:'205.171.4.130'
WARNING: no data for ifHCInOctets&ifHCOutOctets:ab-peek at 198.32.8.251. Skipping further queries for Host 198.32.8.251 in this round.
ERROR: Target[dnvr-qwest-bits][_IN_] ' $$target[224]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-qwest-bits][_OUT_] ' $$target[224]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-qwest-pkts][_IN_] ' $$target[225]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-qwest-pkts][_OUT_] ' $$target[225]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-qwest-errors][_IN_] ' $$target[226]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-qwest-errors][_OUT_] ' $$target[226]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-arizonastate-int-bits][_IN_] ' $$target[227]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-arizonastate-int-bits][_OUT_] ' $$target[227]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-arizonastate-int-pkts][_IN_] ' $$target[228]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-arizonastate-int-pkts][_OUT_] ' $$target[228]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-arizonastate-int-errors][_IN_] ' $$target[229]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-arizonastate-int-errors][_OUT_] ' $$target[229]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-arizonastate-bits][_IN_] ' $$target[230]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-arizonastate-bits][_OUT_] ' $$target[230]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-unm-bits][_IN_] ' $$target[231]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-unm-bits][_OUT_] ' $$target[231]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-unm-pkts][_IN_] ' $$target[232]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-unm-pkts][_OUT_] ' $$target[232]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-unm-errors][_IN_] ' $$target[233]{$mode} ' did not eval into defined data
ERROR: Target[dnvr-unm-errors][_OUT_] ' $$target[233]{$mode} ' did not eval into defined data




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