[Xymon] custom graph- variable datasets?

Is there a way to have variable datasets? Meaning that sometimes my scripts will have 2 datasets and other times I will have 3 datasets. Currently when sending the 3 items the graph works, but when only 2 the graph is not there.

So my scripts will send one of the following:

data01 : 56

flash01 : 4

redo01 : 1

or

data01 : 56

flash01 : 4

Here are parts of my configuration:

Hobbitserver.cfg

TEST2RRD="...,test=ncv"

NCV_test="data01:GAUGE,flash01:GAUGE,redo01:GAUGE"

Hobbitgraph.cfg

[test]

    TITLE test 

    YAXIS % Used

    DEF:data=test.rrd:data01:AVERAGE

    DEF:flash=test.rrd:flash01:AVERAGE

    DEF:redo=test.rrd:redo01:AVERAGE

    LINE2:data01#FF0000:data01

    LINE2:flash01#00CCCC:flash01

    LINE2:redo01#00FF00:redo01

    COMMENT:\n

    GPRINT:data:LAST:data01\: %5.1lf%s (cur)

    GPRINT:data:MAX: \: %5.1lf%s (max)

    GPRINT:data:MIN: \: %5.1lf%s (min)

    GPRINT:data:AVERAGE: \: %5.1lf%s (avg)\n

    GPRINT:flash:LAST:flash01\: %5.1lf%s (cur)

    GPRINT:flash:MAX: \: %5.1lf%s (max)

    GPRINT:flash:MIN: \: %5.1lf%s (min)

    GPRINT:flash:AVERAGE: \: %5.1lf%s (avg)\n

    GPRINT:redo:LAST:redo01\: %5.1lf%s (cur)

    GPRINT:redo:MAX: \: %5.1lf%s (max)

    GPRINT:redo:MIN: \: %5.1lf%s (min)

    GPRINT:redo:AVERAGE: \: %5.1lf%s (avg)\n

Part of the rrd dump

<!-- Round Robin Database Dump --><rrd> <version> 0003 </version>

    <step> 300 </step> <!-- Seconds -->

    <lastupdate> 1317145277 </lastupdate> <!-- 2011-09-27 12:41:17

CDT -->

    <ds>

            <name> data01 </name>

            <type> GAUGE </type>

            <minimal_heartbeat> 600 </minimal_heartbeat>

            <min> NaN </min>

            <max> NaN </max>



            <!-- PDP Status -->

            <last_ds> 56 </last_ds>

            <value> 4.3120000000e+03 </value>

            <unknown_sec> 0 </unknown_sec>

    </ds>



    <ds>

            <name> flash01 </name>

            <type> GAUGE </type>

            <minimal_heartbeat> 600 </minimal_heartbeat>

            <min> NaN </min>

            <max> NaN </max>



            <!-- PDP Status -->

            <last_ds> 4 </last_ds>

            <value> 3.0800000000e+02 </value>

            <unknown_sec> 0 </unknown_sec>

    </ds>



    <ds>

            <name> redo01 </name>

            <type> GAUGE </type>

            <minimal_heartbeat> 600 </minimal_heartbeat>

            <min> NaN </min>

            <max> NaN </max>



            <!-- PDP Status -->

            <last_ds> 1 </last_ds>

            <value> 7.7000000000e+01 </value>

            <unknown_sec> 0 </unknown_sec>

    </ds>

Thanks

Kevin

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