[rrd-users] Reserved tokens in CDEF names

[Tobias Oetiker]

Hi Damian,

yes with he release of rrdtool 1.4 we switched to a new parser it
parses key=value primarily and cf in the DEF line stands for
consolidation function ... so you could write cf=AVERAGE

cheers
tobi

Today Wiest, Damian wrote:

> Greetings all.
>
> I'm using Cacti to generate my charts and ran into an issue with it
> generating a bad rrdtool command-line.  I'm not sure if the issue lies
> with rrdtool not accepting a valid graph definition, or if Cacti is
> doing something it shouldn't.
>
> $ /usr/bin/rrdtool graph - \
> DEF:cf='/usr/share/cacti/rra/cpu.rrd':'cpu':AVERAGE \
> CDEF:a='cf' \
> LINE1:a#000FFF:'CPU0'
>
> $ ERROR: don't understand 'cf'
>
> Renaming the DEF and CDEF to something other than "cf" resolves the error.
>
> Is this intentional?  "cf" would appear to be a valid vname based on
> the rrdgraph_data document.
>
> Thanks!
>
> -Damian
>
>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
www.oetiker.ch tobi at oetiker.ch +41 62 775 9902