On Sun, Jun 28, 2020 at 3:50 PM Tom Seewald <tseew...@gmail.com> wrote:
>
> > The context of that is: the default when the user does not specify. If
> > the user chooses 'raid1' in the installer, they get 'raid1' for both
> > data and metadata.
> This does not seem to be the case, and from what I can tell Garry experienced 
> this problem as well.
>
> I tested this in a VM with two disks, I manually selected the "raid1" profile 
> with btrfs in the advanced custom partitioning screen.

There are three paths/UIs: Automatic, Custom, and Advanced Custom (blivet-gui).

It works as expected with Custom.

It does not work with Advanced Custom: even though raid1 is selected,
it's plainly wrong in the overview where it shows a value consistent
with 'single' or 'raid0' profile, rather than half the quantity of
storage I'd expect. When I go to 'display info about selected device'
it shows data and metadata as 'none' which is not a valid profile for
btrfs.

https://bugzilla.redhat.com/show_bug.cgi?id=1851779

> I interpret "Data, RAID0" to mean that the data is striped rather than 
> mirrored, and thus my data will be lost if/when a single drive fails. I hope 
> that I made some obvious mistake, as this appears to be a pretty serious 
> problem otherwise.

You didn't make a mistake. Pretty sure it's a blocker bug too so I've
proposed it as such.


-- 
Chris Murphy
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