For all those who own a case like Mantis, Rackbrute, Go! etc... How do you keep track of the power zones?

Currently, I create 1 rack for physical layout and, depending on the number of power zones, 2 or 3 more racks for the power zones:
mantis physical
mantis zone a
mantis zone b
mantis zone c

This of course is less than ideal, because taking a module out of mantis means maintaining that change in two locations. Also, the relation between physical and electrical racks must be done in the naming of these racks.

Which brings me to a feature request/discussion:

"Sub Racks for Electric Layout"

Can we have an additional attribute of a rack named "parent rack" that allows for a hierarchical relation between racks? And then have that displayed as links on the parent? And maybe have the option to filter out all "child racks" in the rack main page?

RACK: mantis
+ mantis zone a (parent: mantis)
+ mantis zone b ...
+ mantis tone c ...

RACK: Rackbrute
+ rackbrute zone a
+ rackbrute zone b

About syncing between physical and electric layout: Ideally, one would have a dropdown option on modules:
- If module is in a top level (=parent, physical): Display all child racks as selectable targets
- If module is in a lower level (=child, electric): Display all child racks of the parent rack as targets
- If module is removed from top level, also remove child level instance

Not a full feature request yet, more like brainstorming.

Please discuss :)