[rrd-users] Re: Help with spikes

[Tobias Oetiker]

Yesterday you sent me mail regarding Re: [rrd-users] Help with spikes:

*> At 11:49 PM +0100 3/8/00, Tobias Oetiker wrote:
*> >
*> >in that case only Alexs idea with the missing MAX setting is an
*> >option ... otherwhise we got another bug at our hands ... if so I
*> >would apreciate if you could provide a script to reproduce this
*> >behaviour ...
*> >
*> >cheers
*> >tobi
*> 
*> Yes, I'll check the max settings (see below). As far as reproducing 
*> it, I can usually get it to go by monitoring a port that gets 
*> shutdown for 1 or 2 pollings. Ports being polled are Cisco 7206 
*> serial ports and sub-ints, and Cisco 2924 10/100's.
*> 
*> I never had this problem with plain ol' mrtg. Let's check the limit values...
*> 
*> In fact, there aren't any limits per Alex van den Bogaerdt's assersion:
*> 
*>     mail:upstreams{31} $ rrdtool tune totalup.rrd
*>     DS[ds0] typ: COUNTER    hbt: 86400      min: NaN        max: NaN
*>     DS[ds1] typ: COUNTER    hbt: 86400      min: NaN        max: NaN
*> 
*> I just created a new entry in my mrtg.cfg file like so:
*> 
*>     Target[test]: -12:public at c2924
*>     MaxBytes[test]: 1250000
*>     Title[test]: test rrd
*>     PageTop[test]: test rrd
*>     Directory[test]: colos
*> 
*> Let it run, then checked the rrd file:
*> 
*>     mail:colos{37} $ rrdtool tune test.rrd
*>     DS[ds0] typ: COUNTER    hbt: 600        min: NaN        max: NaN
*>     DS[ds1] typ: COUNTER    hbt: 600        min: NaN        max: NaN
*> 
*> So is setting a max value something I should do manually on every 
*> mrtg+rrd created file? And I can safely add the max values at any 
*> time?

yes ... just use Tune ... any mabe drop rainer a word on this ...

cheers
tobi
*> 
*> jon
*> 

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