On Fri, Jan 06, 2023 at 05:56:24PM -0800, Viacheslav A.Dubeyko wrote: > > > > On Jan 6, 2023, at 11:30 AM, Viacheslav Dubeyko <slava@xxxxxxxxxxx> wrote: > > > > > > > >> On Jan 6, 2023, at 11:18 AM, Luis Chamberlain <mcgrof@xxxxxxxxxx> wrote: > >> > >> On Fri, Jan 06, 2023 at 11:17:19AM -0800, Viacheslav Dubeyko wrote: > >>> Hello, > >>> > >>> As far as I can see, I have two topics for discussion. > >> > >> What's that? > > > > I am going to share these topics in separate emails. :) > > > > (1) I am going to share SSDFS patchset soon. And topic is: > > SSDFS + ZNS SSD: deterministic architecture decreasing TCO cost of data infrastructure. > > > > (2) Second topic is: > > How to achieve better lifetime and performance of caching layer with ZNS SSD? > > > > I think we can consider such discussions: > (1) I assume that we still need to discuss PO2 zone sizes? > (2) Status of ZNS SSD support in F2FS, btrfs (maybe, bcachefs and other file systems) > (3) Any news from ZoneFS (+ ZenFS maybe)? > (4) New ZNS standard features that we need to support on block layer + FS levels? > (5) ZNS drive emulation + additional testing features? ZNS drive emulation can be done as one ublk target(userspace implementation with ublk driver extension), and it was discussed before: https://github.com/ming1/ubdsrv/pull/28 Thanks, Ming
