[rrd-users] Help with RRD.... in over my head

v g infiniteseeker at gmail.com
Mon Jan 23 19:11:01 CET 2012


Hi,

Still having this issue.  Below is how I create the RRD and how I update
the rrd file.

Create:


rrdtool create birken-boiler.rrd \
--start 1325232008 --step 180 \
DS:boiler_out_flow:GAUGE:600:0:U \
DS:boiler_in_flow:GAUGE:600:0:U  \
DS:vihara_in_flow:GAUGE:600:0:U  \
DS:vihara_out_flow:GAUGE:600:0:U \
DS:outbldg_in_flow:GAUGE:600:0:U  \
DS:outbldg_out_flow:GAUGE:600:0:U  \
DS:cistern_top:GAUGE:600:0:U  \
DS:cistern_bottom:GAUGE:600:0:U  \
DS:boiler_flow_gpm:GAUGE:600:0:U  \
DS:vihara_flow_gpm:GAUGE:600:0:U \
DS:outbldg_flow:GAUGE:600:0:U  \
DS:boiler_btu_per_hr:GAUGE:600:0:U  \
DS:vihara_btu_per_hr:GAUGE:600:0:U  \
DS:outbldg_btu_per_hr:GAUGE:600:0:U \
RRA:AVERAGE:0.5:20:10000


Update:

rrdtool update birken-boiler.rrd
1325404770:102:0:0:0:0:0:0:0:0.0:0:0.0:0:0:0
rrdtool update birken-boiler.rrd
1325404791:102:0:0:0:0:0:0:0:0.0:0:0.0:0:0:0


the interesting thing is that the error only happens when I call the above
2 commands in a .sh file.

When I manually enter in the commands on cmd line, no error?!??

(The error is ' to float not complete: tail 'rsion of '0)

rrdtool 1.3.1 (unfortunately I am not able to update this easily).

Thanks,




On Fri, Jan 20, 2012 at 5:04 PM, Steve Shipway <s.shipway at auckland.ac.nz>wrote:

>  'rsion of' looks like part of the string "Version of", which it would
> fail to convert to a float value of course.  It might be that you have a
> separate errorin your code that calls the rrdtool update and you are not
> passing a float value but are instead passing this string.  Since you have
> not provided the actual code or script you are running I can only guess...
>
> Steve
>
>  *Steve Shipway*
> University of Auckland ITS
> *UNIX Systems Design Lead*
> s.shipway at auckland.ac.nz
> Ph: +64 9 373 7599 ext 86487
> **
>   ------------------------------
> *From:* v g [infiniteseeker at gmail.com]
> *Sent:* Saturday, 21 January 2012 5:24 a.m.
>
> *To:* Steve Shipway
> *Cc:* rrd-users at lists.oetiker.ch
> *Subject:* Re: [rrd-users] Help with RRD.... in over my head
>
>  I hear what you are saying.  I was entering in about 4000 data points
> spread out across 24 hrs  and getting these type of errors:
> return_value = -1
> ' to float not complete: tail 'rsion of '0
>
>  I decreased the data count to 2 to see if I could isolate which value
> was causing that tail rsion error.  I will play around further with what
> you suggested but any ideas on the error noted above?
>
>  Thanks for all your time. I really appreciate it.
>
>
>
>
>
>
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