How to force disk graphs to one per FS ?

How to force disk graphs to one per FS  ?  This is under the disk dot not the trends column.
Im planning to make a new disk grapk  which show all  Total  Used  Available  in one graph.
OK I may need to make this a new dot (diskfs).
Also How would I create a disk1 dot .
That is Id like disk dot(per-cents) , disk1 dot (size) , diskfs (one per fs sizes)


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