[rrd-users] Question about creating a RRA.

Christopher Bergeron christopher at bergeron.com
Sat Apr 23 03:34:31 MEST 2005

Guys, I apologize for this is a newbie question.  I've read the Tutorial 
and Beginners guides (and all the other documentation I can understand), 
however, I'm still a little unclear on some things.

Here's some background on what I'm trying to do:

Create a graph with a number between (0-700) on the Y axis; and time on 
the X axis (last 12 hours).  I will be inserting a number every hour (# 
website visitors) into the archive.

Here's what I used to create the RRA:
rrdtool create /tmp/website.rrd --start `date +%s` --step 60 
DS:website_users:GAUGE:600:0:671744 RRA:AVERAGE:0.5:12:24 

Here's how I add records/rows:
/usr/local/rrdtool-1.0.49/bin/rrdtool update /tmp/website.rrd N:65

However, when I fetch (or dump) the rows, I only get NaNs.

Did I create my archive incorrectly?

Thanks in advance for any help!

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