I'm currently trying to find a way how to visually represent complex
storages (LVMs, RAIDs) in the blivet-gui[1] (and in the future for
anaconda too).
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TL;DR version: Help me find a way how to visually represent storages, my
current ideas[2] sucks.
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Even a simple Fedora installation on machine with a single harddrive can
produce quite a complex storage -- installation using encrypted LVM
results into seven devices with four level deep structure (luks-physical
volume-volume group-logical volumes).
The challenge here is to create a simple graphical representation of
this situation (and of course also not so standard storages with LVMs
over RAIDs and other weird configurations) that would be easy to
understand and could fit into application window[3] (leaving space for
other widgets).
I'm currently using system similar to GParted -- colored rectangles with
child devices "embedded" into their parents -- a little like rectangular
contour map --
https://vtrefny.fedorapeople.org/blivet-gui/storage-visualisation1.png
It looked like good idea but I think it is too complicated and hard to
understand with more "layers".
My second idea is derived from GNOME Disks --
https://vtrefny.fedorapeople.org/blivet-gui/storage-visualisation2.png
(just a mockup created using Gimp). Problem is it would need extra space
for some basic information (name, size...) and it would be worse for
more storages with more layers.
The idea I like the most is using tree-like visualization --
https://vtrefny.fedorapeople.org/blivet-gui/storage-visualisation3.png
-- it can show the whole complex structure of the storage, unfortunately
it would never fit into the window.
The result is I have three options that I don't like and I'm not able to
come up with something new or better. So I hope somebody will come up
with some amazing solution. Feel free to share all your crazy ideas and
thoughts.
Vojtech T.
--
[1] http://blog.vojtechtrefny.cz/blivet-gui
[2] https://vtrefny.fedorapeople.org/blivet-gui/
[3] https://vtrefny.fedorapeople.org/blivet-gui/blivet-gui-window.png
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