I am confused by a a scaling problem. I have about 200 rrd dbase files.
Each one contains only a single data variable that represents the
percent active of a disk drive. The percentage is passed as an integer
to the rrdtool update command. This value is always between 0 and 100.
Out of the 200 files, there are a handful that are giving me trouble
when I graph them. The file I'm using for an example has a high point
under 2%.
If I graph against the rrd for a short period, it correctly displays the
Y axis with a max of 2.0. If I look beyond a week or so worth of data,
the Y axis scale shows the same data point as 600 m. Can anyone help me
figure out why this is happening? When I do a dump of the rrd file, the
values look correct.
This command gives the correct scale that I expect:
/usr/local/bin/rrdtool graph grafX.gif \
--start 1006223200 --end 1006502804 \
--title "DISK ACTIVITY" \
--vertical-label "Percent Active" \
DEF:hdisk57=hdisk57.rrd:active:AVERAGE LINE2:hdisk57#AA0000:hdisk57
This command causes the scale to leap to 600 m.
/usr/local/bin/rrdtool graph grafX.gif \
--start 1005223200 --end 1006502804 \
--title "DISK ACTIVITY" \
--vertical-label "Percent Active" \
DEF:hdisk57=hdisk57.rrd:active:AVERAGE LINE2:hdisk57#AA0000:hdisk57
The rrd file was created using the following:
/usr/local/bin/rrdtool create hdisk57.rrd --step 900 \
--start $START \
DS:active:GAUGE:1800:U:U \
RRA:AVERAGE:.5:1:52560
Mike Rowen
<[EMAIL PROTECTED]>
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