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milesb
Joined: 21 Jun 2007
Posts: 4
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 Posted: Thu Jun 21, 2007 5:41 am Post subject: RRD Files No valid data |
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After the network that I monitor went laggy causing snmpwalks to take abbsolutely ages, Weathermap has stopped graphing properly. In the poller output I get these arrors for every link -
06/21/2007 11:47:34 AM - WEATHERMAP: Poller[0] ReadData: Link m320-7401, target: /usr/share/cacti/rra/lancaster_m320_traffic_in_22.rrd on config line 51 had no valid data |
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milesb
Joined: 21 Jun 2007
Posts: 4
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| Posted: Thu Jun 21, 2007 10:51 am Post subject: |
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I've dumped some of the rrd files to plain ASCII. Some of the lines that Weathermap complains about are below:
<!-- 2007-06-19 21:20:00 BST / 1182284400 --> <row><v> NaN </v><v> 4.1906497461e+04 </v></row>
<!-- 2007-06-19 21:55:00 BST / 1182286500 --> <row><v> NaN </v><v> 1.5745682980e+05 </v></row>
<!-- 2007-06-19 21:35:00 BST / 1182285300 --> <row><v> NaN </v><v> 6.0630950804e+05 </v></row> |
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Howie
Cacti Guru User
Joined: 16 Sep 2004
Posts: 2132
Location: United Kingdom
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| Posted: Thu Jun 21, 2007 11:48 am Post subject: |
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| milesb wrote: | | <!-- 2007-06-19 21:35:00 BST / 1182285300 --> <row><v> NaN </v><v> 6.0630950804e+05 </v></row> |
It's looking for a row with valid data in each column. These rows only have valid data in one column. This is a problem with your cacti really, IMHO. Presumably your cacti graphs are showing NaNs as well? |
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