[changing lists because this looks to be an MRTG issue that might affect
others]
I did some further troubleshooting on the problem I detail below. It
appears to be related to the way RRD forks, somehow. I did a really scaled
down config that monitored only three interfaces with traditional MRTG
logfile format (no RRD)
When giving the first interface in the config a bogus IP address to match
against, it would fail (as expected), but it would also cause the next
interface to fail, with the 3rd interface successfully monitored. I
started pulling things out of the config and it looks like getting rid of
the Forks directive took care of it.
Anyone else noticed this?
-Chris
Chris Robb
Indiana University Global NOC
Abilene/TransPAC Network Engineer
[EMAIL PROTECTED] Desk: 812-855-8604 Cell: 812-325-8199
On Tue, 14 Jan 2003, Chris Robb wrote:
>
> 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
> [EMAIL PROTECTED] Desk: 812-855-8604 Cell: 812-325-8199
>
> ---------- Forwarded message ----------
> Date: Tue, 14 Jan 2003 17:09:09 -0500
> From: Cron Daemon <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: Cron <[EMAIL PROTECTED]> /usr/local/mrtg/bin/mrtg
> /home/monitoring/rrd-monitors/abilene/etc/abilene-mrtg.cfg
>
> WARNING: Could not match host:'[EMAIL PROTECTED]:::::2' ref:'Ip'
> key:'205.171.4.130'
> WARNING: no data for ifHCInOctets&ifHCOutOctets:[EMAIL PROTECTED] 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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