[rrd-users] Re: Unexpected NaN values

[Alex van den Bogaerdt]

On Thu, Nov 02, 2006 at 12:08:47PM -0500, jeffrey.j.petter at verizon.com wrote:

> I am having some problems with unexpected NaN values in one of my rrd
> files. First, a little background. I have been using rrd to monitor four of
> our firewall complexes for about a month, after moving over from MRTG. It
> has been working great. Yesterday, I added six more complexes to the data
> collection and graphing (BTW, I am using one rrd file per firewall). All
> but one of these is working as expected.

Are you doing everything the same?  No different schedule, no
difference in processing data?  Then the problem has to be in
the rrd file.

Run "rrdtool info" on one of the working files, and on the one
not working.  Compare.  Look especially at minimum and maximum
values, as well as heartbeat.

You are _sure_ you do get data from your device, right?

-- 
Alex van den Bogaerdt
http://www.vandenbogaerdt.nl/rrdtool/

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