Nagios Graph not displaying correct values

[Claudio Kuenzler]

Some of the default Nagiosgraph map entries are strange and behave not as
expected.
I basically replaced all the existing entries by own ones.

If you like you can use the following one:

# Service Type: check_disk
# Nagiosgraph regex by Claudio Kuenzler
# Check: /usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /
# Output: DISK OK - free space: / 235120 MB (66% inode=95%):
# Perfdata: /=119211MB;298635;335964;0;373294
/perfdata:(.*)=(\d+)MB;(\d+);(\d+);(\d+);(\d+).*/
#/perfdata:(\W)=(\d+)MB;(\d+);(\d+);(\d+);(\d+).*/ # only / partition
and push @s, [diskusage,
        ['used', GAUGE, $2*1000**2 ],
        ['total', GAUGE, $6*1000**2 ] ];

Note that this is a very basic graph which shows the total and current
partition usage. Feel free to modify it :-)

On Tue, Dec 13, 2011 at 11:41 AM, James Osbourn <james.osbourn at citrix.com>wrote:

>  I have a weird situation where the Nagios Graph values are not the
> actual values for a filesystem
>
> Eg I have a filesystem and if I run a df I get
>
> $ df -h .
> Filesystem            Size  Used Avail Use% Mounted on
> filer01:/vol/data1    443G  400G   44G  91% /mnt/filer01_data1
>
> If I run the Nagios check_disk command I get the correct values
>
> # ../libexec/check_disk -w 10% -c 5% -p /usr/groups/sources
> DISK WARNING - free space: /usr/groups/sources 44073 MB (9% inode=48%);|
> /usr/groups/sources=409354MB;408084;430755;0;453427
>
> But when you look at the graph the figures are all wrong
>
>
> Has anyone else seen this?  I was going to look at the usage to try and
> forecast usage but it will now be very hard.  I have just installed Nagios
> Graph based on the default installation and using the default check_disk
> plugin.
>
> Thanks
>
> James
>
>
>
>
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