On Fri, Mar 11, 2022 at 10:23:33PM +0000, Adam Manzanares wrote: > On Fri, Mar 11, 2022 at 12:51:35PM -0800, Keith Busch wrote: > > And po2 does not even seem to be the real problem here. The holes seem > > to be what's causing a concern, which you have even without po2 zones. > > I'm starting to like the previous idea of creating an unholey > > device-mapper for such users... > > I see holes as being caused by having to make zone size po2 when capacity is > not po2. po2 should be tied to the holes, unless I am missing something. Practically speaking, you're probably not missing anything. The spec, however, doesn't constrain the existence of holes to any particular zone size. > BTW if we go down the dm route can we start calling it dm-unholy. I was thinking "dm-evil" but unholy works too. :)