[rrd-users] Re: How to extract LAST value on RRD Tables

Judith L. Pancho judith.pancho at latitudebroadband.com
Fri Jan 19 15:49:55 MET 2007


Hi Henrik,
Thank you very much! Its my first time to use RRD tools and im not yet 
familiar with the other functions.

Thanks,
Judith L. Pancho

Henrik Stoerner wrote:
> On Fri, Jan 19, 2007 at 08:53:32PM +0800, Judith L. Pancho wrote:
>   
>> Hello,
>> Im trying to get the LAST value on the rrd table using the following 
>> command:
>>
>> ./rrdtool fetch 9100000002773.rrd LAST --start 1169199634
>>
>> but i get the following error :
>>
>> ERROR: the RRD does not contain an RRA matching the chosen CF
>>
>> However it is stated in the documentation that //rrdtool fetch can get 
>> AVERAGE,MIN,MAX,LAST.
>>     
>
> It depends on how the RRD file was created. When you create an RRD file
> you specify one or more "RRA's", and each RRA has an associated function
> which is one of these AVERAGE,MIN,MAX,LAST. You cannot get data for a 
> function which was not defined when the RRD was created - the necessary
> data simply hasn't been stored.
>
> You can use the "rrdtool dump" utility to see what RRA's are present in
> the rrd-file.
>
>
> Regards,
> Henrik
>
>
>   


-- 
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.



--
Unsubscribe mailto:rrd-users-request at list.ee.ethz.ch?subject=unsubscribe
Help        mailto:rrd-users-request at list.ee.ethz.ch?subject=help
Archive     http://lists.ee.ethz.ch/rrd-users
WebAdmin    http://lists.ee.ethz.ch/lsg2.cgi



More information about the rrd-users mailing list