[mrtg] Graphing netware disk usage

PeteH peter.hickling at nhs.net
Fri Nov 26 18:06:58 CET 2010

Firstly, I apologise if this question has been asked before. I've looked at
what I'm trying to do and if there's an error I just can't see it.
Below is a section of my mrtg.cfg

Title[VCH-NA1.SYS]: Disk Space Usage on SYS
Target[VCH-NA1.SYS]:  `/usr/lib/nagios/plugins/check_nwstat -v
VKFSYS | cut -f2 -d =`
MaxBytes[VCH-NA1.SYS]: 1638912
Options[VCH-NA1.SYS]: gauge, nopercent
YLegend[VCH-NA1.SYS]: Free Space
ShortLEgend[VCH-NA1.SYS]: bytes
Legend1[VCH-NA1.SYS]: SYS
Legend3[VCH-NA1.SYS]: SYS Peak
LegendI[VCH-NA1.SYS]:  SYS:
PageTop[VCH-NA1.SYS]: <H1>Disk space stats for VCH-NA1\SYS </H1>
  <p> These graphs track disk space usage on SYS
------------------------End of mrtg.cfg

If I execute the command from a bash shell i get

nagios1:/etc/init.d # /usr/lib/nagios/plugins/check_nwstat -v
1126912 KB free on volume SYS|KBFreeSYS=1126912;0;0;;
nagios1:/etc/init.d # /usr/lib/nagios/plugins/check_nwstat -v
VKFSYS | cut -f2 -d =
nagios1:/etc/init.d # 

I was hoping this would get me a log file in my workdir=/var/www/mrtg but
nothing. I get a link on my mrtg web page but obviously no log file means no
.html file. (Before somebody asks why I'm not using snmp, I'll explain that
these are nss volumes so snmp doesn't return the most accurate of figures
were as the check_nwstat command is fairly spot on.)

Is 1126912;0;0;; in the correct format or have I missed something eg it's
delimited by |?

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