[rrd-users] RRDTool not accepting any updates (NaN instead)

[Wouter van Eekelen]

And just to confirm, these arguments:
--
                $command = "/usr/bin/rrdtool create ".$rrd_file." -s 60 \
                                DS:ds0:DERIVE:90:0:4294967295 \
                                DS:ds1:DERIVE:90:0:4294967295 \
                                RRA:AVERAGE:0.5:1:600 \
                                RRA:AVERAGE:0.5:6:700 \
                                RRA:AVERAGE:0.5:24:775 \
                                RRA:AVERAGE:0.5:288:797 \
                                RRA:MAX:0.5:1:600 \
                                RRA:MAX:0.5:6:700 \
                                RRA:MAX:0.5:24:775 \
                                RRA:MAX:0.5:288:797 \
                                RRA:MIN:0.5:1:600 \
                                RRA:MIN:0.5:6:700 \
                                RRA:MIN:0.5:24:775 \
                                RRA:MIN:0.5:288:797";
--

Will be fine for graphing bandwidth (on HP procurve switchports)?
Any int wraps (the HP resets to 0 when it passes the unsigned integer limit
of 4,294,967,295) will be recognized and not cause any problems?
How long will the data be stored for?

On Sat, Dec 4, 2010 at 10:28 PM, Wouter van Eekelen <
wouter.van.eekelen at serverffs.com> wrote:

> That works a lot better indeed. Is there a reason updatev can't output such
> information?
> If it would just tell me 'mrhb expired, assuming nan' I would have solved
> this way faster.
>
>
> On Sat, Dec 4, 2010 at 10:08 PM, Tobias Oetiker <tobi at oetiker.ch> wrote:
>
>> Wouter,
>>
>> Today Wouter van Eekelen wrote:
>>
>> > Aren't my updates incremental? The second update has quite a higher
>> value
>> > than the first one, yet it's still NaN.
>>
>> it seems to me that you have set the mrhb to 5 seconds ... while
>> the step size is 60 seconds ... this is possible but it requires
>> you to update the rrd at least every 5 seconds ...
>>
>> cheers
>> tobi
>>
>> >
>> > On Sat, Dec 4, 2010 at 9:23 PM, Steve Shipway <s.shipway at auckland.ac.nz
>> >wrote:
>> >
>> > >   Your DS are of type 'derive', with a minimum value of 0.  'Derive'
>> > > stores the rate of change of the variable, IE (( x -
>> x(prev))/(t-t(prev)))
>> > > This means you'll need at least two sequential updates, which must be
>> > > increasing (in order to get a valid positive derivitive) before you'll
>> see
>> > > anything stored in the RRAs.  Since your step is 60s, this means two
>> > > increasing updates about 1min apart, and more than 2 (4, 13, 145) if
>> you
>> > > want any of the RRAs with a cdp of more than 1 to show a value (since
>> your
>> > > XFF is 0.5).
>> > >
>> > > 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:* rrd-users-bounces+s.shipway=auckland.ac.nz at lists.oetiker.ch
>> [rrd-users-bounces+s.shipway=
>> > > auckland.ac.nz at lists.oetiker.ch] on behalf of Wouter van Eekelen [
>> > > wouter.van.eekelen at serverffs.com]
>> > > *Sent:* Sunday, 5 December 2010 8:09 a.m.
>> > > *To:* rrd-users at lists.oetiker.ch
>> > > *Subject:* [rrd-users] RRDTool not accepting any updates (NaN instead)
>> > >
>> > >  I'm having a huge trouble with RRDtool, all updates I'm doing are
>> > > accepted as 'NaN'
>> > > Here is are all commands with output:
>> > >
>> > >
>> >
>>
>> --
>> Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
>> http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900
>>
>
>
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