Re: Idea for making custom partitioning more accessible

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On Oct 25, 2013, at 5:44 PM, Adam Williamson <awilliam@xxxxxxxxxx> wrote:

> On Tue, 2013-10-22 at 21:59 -0400, Máirín Duffy wrote:

>> http://linuxgrrl.com/fedora-ux/Projects/Anaconda/Sketches/Straight-To-CustomPart/dialog1.png
>> 
>> Anything you would have been able to do in the dialog you already did in
>> the main window. Except for choosing auto-part type. If you're not going
>> into custom part, is the default auto-part type good enough? If not, the
>> main screen design will need more thinking.
> 
> I hate to be Neddy Negative, but I fear it may not be good enough, no.
> We have the new LVM Thin Provisioning thing available in F20 which
> presumably was put in this way because we want people to be able to use
> it without creating a whole custom layout. We have this idea that we
> want people to be able to test btrfs so we can maybe make it the default
> in future. And we definitely have an annoying bunch of LVM refuseniks
> who will always pick ext4 because they 'understand how to deal with it'
> and don't want to learn LVM. I'm afraid I'm not convinced we can get
> away with 'defaults only' :/ But, see later!

Two of four options are in the vicinity of experimental. On the one hand, I want to make it easy for people to test such things, but on the other hand they shouldn't be overly enticed as if these things have equal stability or support as other options.

 In some sense, I prefer the + reveal of the F18 installer, albeit preferably named as "Advanced partition schemes" or maybe so far as to list them as "Technology Preview" or "Experimental" options.


> A+, looks fine. Um. Except, are we ever gonna get around to
> https://bugzilla.redhat.com/show_bug.cgi?id=883148 ? I still think that
> would be a worthwhile clarification.

Agreed. Your mock-up makes this more clear. However, instead of "Existing operating systems" the title needs to be more generic because non-Fedora systems, and stand alone data partitions appear together as "Unknown." They're not recognized as operating systems.

"Other" is preferable to "Unknown" also. It should tell us, if nothing else, what device & partition it's on, its size, and its file system.


>> RECLAIM DISK SPACE POP-UP
>> =========================
>> 
>> Just a small mod to this one, since encrypt and autopart type are
>> available else where, drop them:
>> 
>> http://linuxgrrl.com/fedora-ux/Projects/Anaconda/Sketches/Straight-To-CustomPart/dialog2.png
> 
> Could we consider a similar 'straight-to' approach here? You're only
> going to see this if you pick disks without sufficient space and then
> pick "Automatically configure partitioning", yes? You're not going to
> see it if you pick "I will configure partitioning." - that's just going
> to take you straight to custom part.

Yes, as it stands proposed, this needs to be retitled to something other than Installation Options. There are no options. It's an available space summary, enough or not enough. Better to, as you say…

> 
> So since the user has already expressed a desire for "automatic
> partitioning", can't we take them straight to the Reclaim Space dialog,
> with an option added to go back to the Disk Selection screen if they
> decide they want to go to custom partitioning or add more disks? I think
> that would be cleaner and easier to understand.


Simpler language to convey information in Installation Options is preferred. Complete sentences are prone to being misinterpreted, requires much more effort to translate, and makes the installation process appear more complicated than it is. The existing Reclaim Space dialog also has a lot of words.


> Major thing: I think overall this is a big improvement, but I think
> we're still neglecting one fairly interesting category of use cases
> which we also neglected in the original design: people who come in with
> an existing layout and a very specific idea of what to do with it.

There are all sorts of common and simple examples:

I can't directly delete LVM partitions (PVs), or Btrfs formatted partitions, in custom partitioning. I have to remove their parts (LVs or subvolumes) one by one; and in particular if they appear under Unknown because the delete all within Unknown deletes everything there without respect to what drive or partition its on.

Multiple device support is also difficult because the user is required to choose physical devices without indication what devices are members of LVM, Btrfs or md RAID.

Chris Murphy

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