[mrtg] Help reading the OIDs for a Emerson/Libert unit

Feijo, Fernando Fernando.Feijo at aaronrents.com
Tue Apr 8 17:20:04 CEST 2008


I monitor two Lieberts for temperature and humidity. Same OIDs, it seems. This is what my target line looks like.


Target[l1-temp-hum]:. at ipaddress





From: mrtg-bounces at lists.oetiker.ch [mailto:mrtg-bounces at lists.oetiker.ch] On Behalf Of Mills, Charles
Sent: Tuesday, April 08, 2008 10:41 AM
To: mrtg at lists.oetiker.ch
Subject: [mrtg] Help reading the OIDs for a Emerson/Libert unit


Hi all ... I'm kind of at my wit's end with this problem and not sure what I'm doing wrong in the MRTG side of things.  I don't do a lot of "custom" cfg files relying mainly on the cfgmaker.


I have a Liebert 22 Ton CRAC unit in my data center and I'd like to use it as a temp sensor for that part of the computer room.  I believe I have the correct OID but MRTG doesn't seem to evaluate/expand it right or I have something else wrong in the config file:


Running the MRTG program yields:


env LANG=C /usr/local/mrtg-2/bin/mrtg /etc/mrtg/Liebert-AC-4-temp.cfg

2008-04-08 10:31:28: ERROR: Target[liebert-ac-4][_IN_] '. $target->[0]{$mode} ' evaluated to 'Ç*19773129' instead of a number

2008-04-08 10:31:28: ERROR: Target[liebert-ac-4][_OUT_] '. $target->[0]{$mode} ' evaluated to 'Ç*38089656' instead of a number


./snmpget.pl -c 'RO-snmp-string' <ip of liebert webcard> .





. = INTEGER: 73



Persuing the docs didn't yield too much that would point me in the right direction...if anyone has ever tackled something like this I'd appreciate the help.




Charles L. Mills

Senior Network Engineer

Access Data Corporation / Pittsburgh, PA 15238

(412) 968-4024 FAX: (412) 967-9504

cmills at accessdc.com / http://www.accessdc.com

Hosting, Colocation, D-R and Managed Services


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