[rrd-users] Re: PREV fails?

[Alex van den Bogaerdt]

Tobias Oetiker wrote:
> 
> Today you sent me mail regarding Re: [rrd-users] Re: PREV fails?:
> 
> *> Duh, it seems that the outcome of PREV is not related to the DS.  It is related
> *> to the outcome of the previous CDEF value.
> *> I seem to have misunderstood the manual.
> *> 
> *> Can somebody confirm this please?
> 
> oops yes sure, because otherwhise which DS would PREV refer to ?
> 

I tried something like:

   DS:t=blah.rrd:usertime
   CDEF:tt=t,PREV,-

In other words, I tried to work with the difference between the
previous value and the current one.  Obviously, it doesn't work this way.

I'm sure I'll work around this sometime.

regards,
-- 
   __________________________________________________________________
 / alex at slot.hollandcasino.nl                  alex at ergens.op.het.net \
| work                                                         private |
| My employer is capable of speaking therefore I speak only for myself |
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