Re: dropping filestore+btrfs testing for luminous

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Hi Sage,

On 06/30/2017 06:48 PM, Sage Weil wrote:

> Ah, crap.  This is what happens when devs don't read their own 
> documetnation.  I recommend against btrfs every time it ever comes
> up, the downstream distributions all support only xfs, but yes, it
> looks like the docs never got updated... despite the xfs focus being
> 5ish years old now.
>> I'll submit a PR to clean this up, but

Thanks!

>> Simply disabling the tests while keeping the code in the
>> distribution is setting up users who happen to be using Btrfs for
>> failure.
> 
> I don't think we can wait *another* cycle (year) to stop testing
> this.
> 
> We can, however,
> 
> - prominently feature this in the luminous release notes, and
> 
> - require the 'enable experimental unrecoverable data corrupting
> features = btrfs' in order to use it, so that users are explicitly
> opting in to luminous+btrfs territory.
> 
> The only good(ish) news is that we aren't touching FileStore if we
> can help it, so it less likely to regress than other things.  And
> we'll continue testing filestore+btrfs on jewel for some time.
> 
> Is that good enough?
Sounds good to me. Along with updating the wording in the documentation
this helps to set clear expectations.

Thanks!

Lenz

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