[rrd-users] Re: Excluding UNKN or NAN from CDEF

[Alex van den Bogaerdt]

On Mon, Sep 27, 2004 at 09:59:19AM -0500, Eric Brander wrote:

> Good suggestion but its result is not quite what I was looking for. 
> This makes all unknowns = 0.0 (or in my case I tried 1.0 - which made 
> the graphs look far more successful than they should be) Again, the only 
> acceptable result would be to eliminate unknowns entirely.

AFAIK unknowns are ignored when averaging.

In other words: 1,1,1,unknown,1 will result in 100%,  1,0,0,unknown
will result in 25%

Easy to check, when you run a script on a database with known content.
Just build a test-rrd, put some data in it and create some graphs.

HTH
Alex
-- 
You want an answer?  You'd better follow the following guidelines!
Linesize well below 80 chars. Reply to the list, not to me. Trim
irrelevant lines. Answer below the remaining paragraph.

--
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://www.ee.ethz.ch/~slist/rrd-users
WebAdmin    http://www.ee.ethz.ch/~slist/lsg2.cgi