Re: Discussion: what would not blocking on btrfs look like?

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On Fri, Sep 6, 2019 at 3:02 AM Adam Williamson <adamwill@xxxxxxxxxxxxxxxxx> wrote:
On Tue, 2019-09-03 at 13:38 -0400, David Lehman wrote:
> On Fri, 2019-08-23 at 12:16 -0700, Adam Williamson wrote:
> > Hey folks!
> Hi Adam! Thanks for bringing this up again.
> > So...what should we do? Here are the options as I see 'em:
> >
> > 1. Keep supporting btrfs
> > 2. Just modify the criterion with a btrfs exception, even if it's
> > weird
> > 3. Rewrite the criterion entirely
> > 4. Keep btrfs support in the installer (and blivet-gui) but hide it
> > as
> > we used to - require a special boot argument for it to be visible
> > 5. Drop btrfs support from the installer
> I like option 3 most. The current criteria have always seemed, to me,
> too vague. I'd be happy to help hash out the details if/when it
> happens.

Thanks for the offer.

So aside from the 'fun' of drafting very specific rules, my concern
with #3 is we would then potentially be shipping an installer that
presents things as roughly equal choices which are not in fact equally
supported. You can pick 'btrfs' or 'ext4' from the dropdown...but one
of those we commit to making sure is working, one of them we don't.

That to me is concerning; in this scenario I'd prefer we indicate
somehow, somewhere, that all the choices are not equally guaranteed to
be reliable. WDYT?

Hi Adam,

I think that the best option is to add a new storage validation check that will report a warning if a user wants to use a file system that is not recommended by the installed product. The list of recommended file systems would be provided by the Anaconda configuration files, so products and variants could override it.

We already show warnings with recommendations, for example for too small root partition or missing swap. The storage validation checks are run for every type of partitioning, results are logged and warnings have to be waved by the user in the interactive mode.

Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Twitter: AdamW_Fedora | XMPP: adamw AT happyassassin . net

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