[mrtg] Deriving percentages

[Cleaveland, AJ Allan @ IS]

I am currently monitoring a Windows server.  I seem to be getting accurate
information on memory utilization for my devices (hard drives, virtual
memory, RAM) but I want to have my graphs display percentage used rather
than blocks free as is occurring now.  What structure do I need to give MRTG
to have it graph this derivative info?

I may also want an actual drive space used graph.  The MIB I'm calling
supposedly gives the used space but MRTG is apparently displaying free space
(the values seem to match and the labels even say so).


Here's an example of what I'm using:


### C Drive Utilization
Target[cdrive]:1.3.6.1.2.1.25.2.3.1.6.1&1.3.6.1.2.1.25.2.3.1.6.1:public at 111.
111.111.111
RouterUptime[cdrive]: public at 111.111.111.111
Title[cdrive]: C Drive Usage
PageTop[cdrive]: <H1>C Drive Usage %</H1>
Unscaled[cdrive]: ymwd
ShortLegend[cdrive]: %
XSize[cdrive]: 380
YSize[cdrive]: 100
YLegend[cdrive]: C Drive Utilization
Legend1[cdrive]: C Drive Utilization in % (Load)
Legend2[cdrive]: C Drive Utilization in % (Load)
Legend3[cdrive]:
Legend4[cdrive]:
LegendI[cdrive]:
LegendO[cdrive]: &nbsp;Usage
Options[cdrive]: gauge






Thank you,
Allan

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