Can I force one RRD graph per file in hobbitgraph.cfg?

[Andy France]

I think I asked this before - but I'll try again anyway!

I am collecting Oracle tablespace data, and create an RRD for each
tablespace.  I currently have the following entry in my hobbitgraph.cfg
file...

  [oracle]
        FNPATTERN oracle(.*).TOTAL.rrd
        TITLE Database Size
        YAXIS Bytes
        DEF:p at RRDIDX@T=@RRDFN@:total:AVERAGE
        DEF:p at RRDIDX@U=@RRDFN@:used:AVERAGE
        CDEF:p at RRDIDX@F=p at RRDIDX@T,p at RRDIDX@U,-
        -l 0
        AREA:p at RRDIDX@U#@COLOR@:Used
        STACK:p at RRDIDX@F#00FF00:Total\n
        GPRINT:p at RRDIDX@U:LAST:Used  \: %5.2lf%s (cur)
        GPRINT:p at RRDIDX@U:MAX: \: %5.2lf%s (max)
        GPRINT:p at RRDIDX@U:MIN: \: %5.2lf%s (min)
        GPRINT:p at RRDIDX@U:AVERAGE: \: %5.2lf%s (avg)\n
        GPRINT:p at RRDIDX@T:LAST:Total \: %5.2lf%s (cur)
        GPRINT:p at RRDIDX@T:MAX: \: %5.2lf%s (max)
        GPRINT:p at RRDIDX@T:MIN: \: %5.2lf%s (min)
        GPRINT:p at RRDIDX@T:AVERAGE: \: %5.2lf%s (avg)\n

...so I just get one graph for the total size (I only have one DB per
server at the moment).  As you can see, the graph is a stack that shows the
total size with the "percent filled" in blue.

If I change TOTAL in the FNPATTERN definition so that it scans *all* of the
RRD files, the graph breaks.  I'm guessing this is because it can't really
stack multiple tablespaces on one graph like it can for a single percentage
(a-la disk etc).

Does anybody know of an RRD flag I can add to the hobbitgraph.cfg
definition to force rrdtool to create one graph for each file rather than
trying to combine them?

TIA,
Andy.

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