[mrtg] "Wrong" average Disk usage

[Thomas.Rupp at illwerke.at]

Hi MRTG-gurus,

I'm new to MRTG so I'm obviously missing something.
I try to monitor the used disk space on a W2K server using
MRTG 2.10.5. on a LINUX box.
The disk has 170GB used space. The max and current values are 
correct but the average value shown starts with 105GB and slowly
rises to 170GB over time.
I used "gauge" because the docu says so to monitor "disk space".
Is there anything I'm doing wrong?

Thanks in advance
Thomas Rupp

Target[Server_DISK_G]:.1.3.6.1.2.1.25.2.3.1.5.5&.1.3.6.1.2.1.25.2.3.1.6.5:public at server *
 .1.3.6.1.2.1.25.2.3.1.4.5&.1.3.6.1.2.1.25.2.3.1.4.5:public at server / 1024 / 1024 / 1024
MaxBytes[Server_DISK_G]: 200
kMG[Server_DISK_G]: ,,,G,
Options[Server_DISK_G]: gauge, nobanner, nopercent, integer, printrouter, pngdate
YLegend[Server_DISK_G]: DISK_G in Use
ShortLegend[Server_DISK_G]: GBytes
WithPeak[Server_DISK_G]: wmy
Colours[Server_DISK_G]: GREEN#00eb0c,BLUE#0000ff,GRAY#AAAAAA,VIOLET#ff00ff
Legend1[Server_DISK_G]: Größe
Legend2[Server_DISK_G]: belegt
Legend3[Server_DISK_G]: Maximale Größe
Legend4[Server_DISK_G]: Maximal davon belegt
LegendI[Server_DISK_G]: Größe
LegendO[Server_DISK_G]: belegt
Title[Server_DISK_G]: DISK_G auf Server
PageTop[Server_DISK_G]: <H1>DISK_G auf Server</H1>

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