Re: Improvements to gvinum and it's future

Ulf Lilleengen wrote:

Now, one could ask why I bother doing work on gvinum now, since we have gmirror,
gconcat, graid3 and all that. The reason is that gvinum is important as a volume
manager. Ivan Voras' work on gvirstor seems very promising as a foundation of a
new volume manager, and I've been planning to start working on utilities (fvm,
freebsd volume manager) that utilize these new geom classes instead of having to
maintain a separate RAID implementations, but that will take time, and meanwhile

I'm not the one with power-of-decision here, but I think this would be very counter-productive. I'd suggest a different approach, of which I had plans on actually doing, but got sidetracked - to build a userland utility that would use existing GEOM classes in more-or-less opaque way to the user (meaning: users don't have to be aware of actual kernel classes to do the job).

The idea was to build a curses terminal interface application (actually, the Original plan was to do it as a part of a new X11 installer that would be able to run standalone) which would allow users to graphically (or at least - visually) draw the graph of classes they want (e.g. RAID 1+0, etc.) and the utility would generate the correct sequence of commands to load and configure the classes, and also write a config file of sorts (or maybe a runnable shell script) that can replicate that configuration, for purpose of repeating in case of disaster or on another machine.

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