[rrd-users] Re: perhaps a dummy question, but i got hang up ...

[Alex van den Bogaerdt]

MERZKIRCH FRANK wrote:
> 
> i read the tutorial to get familiar with rrd (i used to work with mrtg before).
> all right till now, but as i tryed to do the "real world example" i ran into chaos...
> 
> ok, i built the rrd database, and i am familiar with SNMP, so it was no
> problem to find the right oids for my router.
> 
> snmpget ...... => $in
> snmpget ...... => $out
> 
> but when i try to update my newly created rrd database i get this error.
> 
> rrdtool update cisco.rrd N:$in:$out
> 
> ERROR: expected 2 data source readings (got 1) from N: ...

Most likely there is whitespace at the end of the first variable.
If you would expand the string, it will look like:

     rrdtool update cisco.rrd N:12345  :6789

cheers,
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