rrd files have NAN

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Subject: rrd files have NAN
From: Afonso Remédios (adsr@alunos.isel.ipl.pt)
Date: Wed Jun 12 2002 - 11:19:56 CDT

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I look the raw flow files from the patch cflowd and it looks good, but when Flowscan transforms flows.* to *.rrd the rrd files have NAN.
the dump of the rrd files look like this!! 
is this normal??
 <!--  Round Robin Database Dump   --> 
    <rrd>
      <version>0001</version> 
      <step>300</step> 
    <!--  Seconds   --> 
  <lastupdate>1023817163</lastupdate> 
- <!--  2002-06-11 18:39:23 WEST   --> 
- <ds>
  <name>in_bytes</name> 
  <type>ABSOLUTE</type> 
  <minimal_heartbeat>400</minimal_heartbeat> 
  <min>NaN</min> 
  <max>NaN</max> 
- <!--  PDP Status   --> 
  <last_ds>UNKN</last_ds> 
  <value>3.5122592775e+07</value> 
  <unknown_sec>0</unknown_sec> 
  </ds>
- <ds>
  <name>out_bytes</name> 
  <type>ABSOLUTE</type> 
  <minimal_heartbeat>400</minimal_heartbeat> 
  <min>NaN</min> 
  <max>NaN</max> 
- <!--  PDP Status   --> 
  <last_ds>UNKN</last_ds> 
  <value>3.4199579470e+04</value> 
  <unknown_sec>0</unknown_sec> 
  </ds>
- <ds>

When I test with "rrdtool fetch total.rrd AVERAGE" 
the result is NAN's again!!! 
I thougth that the problem could be in my FlowScan configuration files, 

flowscan.cf 

FlowFileGlob flows.20*
ReportClasses CampusIO
WaitSeconds 30
Verbose 1

CampuIO.cf

LocalSubnetFiles /usr/local/arts/data/cflowd/flows/bin/local_nets.boulder
OutputDir /usr/local/arts/data/cflowd/flows/graphs
Protocols icmp, tcp, udp
TCPServices ftp-data, ftp, smtp, nntp, http, 7070, 554
UDPServices domain, snmp, snmp-trap
#the rest is in comment

local_nets.boulder

SUBNET=10.0.0.0/8
DESCRIPTION=private network
=
SUBNET=193.137.237.0/24
DESCRIPTION=public network

But for an initial test I think that it should work just fine!

Am I missing something, so that FlowScan cant calculate the flows from flow files.

         thanks for your help, Afonso Remédios




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