[rrd-users] rrd database showing nan values at a particular time stamp

Mr. Suhas Ghosh suhas786 at gmail.com
Wed Nov 1 08:03:04 MET 2006

Hi All,
    I am using rrd database for drawing CPU , MEMORY and LOAD AVERAGE.
    my memory rrd is as follows
    RRDs::create "$rrd/mem.rrd",
           "-s 300",
The problem is that I am getting nan values in mem, cpu, and laod rrd
database at a particular time
Like for the following command it gives nan in the mentioned time in all
cpu, mem, load databases.
rrdtool fetch mem.rrd AVERAGE -r 300 -s -24h
1162284300 nan nan nan nan nan
1162284600 nan nan nan nan nan
in all other time stamp the above command giving values.
can you please help me.


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