[hobbit] error creating rrd DS (invalid DS name)

[FIGARO Nicolas]

Hi all, 
> -----Message d'origine-----
> De : gendalia at iastate.edu [mailto:gendalia at iastate.edu] 
> Envoyé : jeudi 8 septembre 2005 00:18
> À : hobbit at hswn.dk
> Objet : [hobbit] error creating rrd DS (invalid DS name)
> 
> 
> 
> I guess I missed something trying to add data collection for 
> a test I created.
> 
> The test sends data like so:
> --------
> afs-6,iastate,edu.afs green Wed Sep 7 16:42:25 CDT 2005 
> Instance fs, currently running normally.
>      Auxiliary status is: file server running. &green
> calls waiting: 0 &green
> --------
> 
> I added ",afs=ncv" to the end of TEST2RRD and 
> NCV_afs="Auxiliarystatusis=NONE,callswaiting=GAUGE"
> in hobbitserver.cfg 
> 
> I get this in rrd-status.log:
> 2005-09-07 15:41:21 RRD error creating 
> /usr/pkg/hobbit/data/rrd/afs-6.iastate.edu/afs.rrd: Invalid DS name
> 
> As hobbit, I can touch this file to create it.  Any ideas?  
> Where are the constraints on DS names listed?
The constraints are in the rrdcreate doc : 
http://people.ee.ethz.ch/~oetiker/webtools/rrdtool/doc/rrdcreate.en.html

There is a debug option (--debug) to most hobbit programs, so you can 
add this flag in hobbitlaunch.cfg and see if you get more infos 
about the rrdcreate. 

In the hobbitd/do_rrd.c, you can find the error message at this line (around line 143 in my snaphsot): 
errprintf("RRD error creating %s: %s\n", filedir, rrd_get_error());

The error comes from the rrd_create two lines above. 

And the "if (debug)" block beginning at line 128 shows the rrdcreate parameters. 

Hope this'll help. 

Nicolas Figaro