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RRDtool graph for GroundWork's check_disk command.
rrdtool graph - \
-E \
-P \
-h 180 \
-l 0 \
--grid-dash 1:2 \
-t "<big><b>Disk Utilisation</b></big>" \
-b 1024 \
-X 0 \
-a PNG \
-v "<b>Disk Usage (MB)</b>" \
DEF:diskCurr=rrd_source:ds_source_0:AVERAGE \
DEF:diskWarn=rrd_source:ds_source_1:AVERAGE \
DEF:diskCrit=rrd_source:ds_source_2:AVERAGE \
DEF:diskMax=rrd_source:ds_source_3:AVERAGE \
CDEF:diskPerc=diskCurr,diskMax,/,100,* \
CDEF:cdefDisk=diskCurr \
CDEF:cdefw=diskWarn \
CDEF:cdefc=diskCrit \
CDEF:cdefm=diskMax \
CDEF:warnPerc=diskWarn,diskMax,/,100,* \
CDEF:critPerc=diskCrit,diskMax,/,100,* \
AREA:diskCurr#54EC48:"<b>Space Used\:</b>\g" \
LINE2:cdefDisk#24CB14: \
GPRINT:diskCurr:LAST:" <b>%.0lf MB</b>\g" \
GPRINT:diskPerc:LAST:" <i><b>(%.0lf%%)</b></i>" \
LINE2:cdefm#4D18E4:"<i>Maximum Capacity\:</i>\g" \
GPRINT:cdefm:LAST:" <i>%.0lf MB</i>\n" \
LINE2:cdefw#C9B215:"Warning Threshold\:\g" \
GPRINT:cdefw:AVERAGE:" <i>%.0lf MB</i>\g" \
GPRINT:warnPerc:LAST:" <i>(%0.lf%%)</i>" \
LINE2:cdefc#CC3118:"<i>Critical Threshold\:</i>\g" \
GPRINT:cdefc:LAST:" <i>%.0lf MB</i>\g" \
GPRINT:critPerc:LAST:" <i>(%.0lf%%)</i>\n" \
-c BACK#FFFFFF \
-c CANVAS#FFFFFF \
-c GRID#C0C0C0 \
-c MGRID#404040 \
-c ARROW#FFFFFF \
-Y
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