On 2019-02-12 2:03 a.m., Qu Wenruo wrote:

> So we only need to consider missing devices as writable, and calculate
> our chunk allocation profile with missing devices too.
> 
> Then every thing should work as expected, without annoying SINGLE/DUP
> chunks blocking later degraded mount.
> 
>

Does this mean you would rely on scrub/CSUM to repair the missing data
if device is restored?