[Podman] Re: Follow-up: Rootless storage usage

Is native overlay available in rootless mode? When I run podman as root there's no problem, overlayfs is picked up as default in debian. VFS is selected as default only in rootless mode. Rgrds, On 25.01.2023 14:03, Giuseppe Scrivano wrote: > Reinhard Tartler<siretart(a)gmail.com> writes: > >> On Tue, Jan 24, 2023 at 2:08 PM Daniel Walsh<dwalsh(a)redhat.com> wrote: >> >> On 1/24/23 03:47, Reinhard Tartler wrote: >> >> Dan, >> >> In Debian, I've chosen to just go with the upstream defaults: >> https://github.com/containers/storage/blob/8428fad6d0d3c4cded8fd7702af36a... >> >> This file is installed verbatim to /usr/share/containers/storage.conf. >> >> Is there a better choice? Does Fedora/Redhat provide a default storage.conf from somewhere else? >> >> Thanks, >> -rt >> >> That should be fine. Fedora goes with that default as well. Does debian support rootless overlay by default? >> >> If not then it would fail over to VFS if fuse-overlayfs is not installed. >> >> I'm a bit confused about what you mean with that. >> >> In Debian releases that ship podman 4.x we have at least Linux kernel 6.0. The fuse-overlayfs package is installed by default, but users may opt to not >> install it by configuring apt to not install "Recommends" by default. >> >> What else is required for rootless overlay? >> >> Also, if I follow this conversation, then it appears that the default storage.conf requires modification in line 118 (to uncomment the mount_program >> option) in order to actually use fuse-overlayfs. I would have expected podman to use fuse-overlayfs if it happens to be installed, and fallback to direct >> mount if not. I read Michail's email thread that this appears to be not the case and he had to spend a lot of effort figuring out how to install an >> appropriate configuration file. Maybe I'm missing something, but I wonder what we can do to improve the user experience? > what issue do you see if you use native overlay? > > Podman prefers native overlay if it is available, since it is faster. > If not, it tries fuse-overlays and if it is not available, it falls back > to vfs. > > Could you try from a fresh storage though? If fuse-overlayfs was > already used, then Podman will continue using it even if native overlay > is available, since the storage metadata is slightly different. > > Thanks, > Giuseppe > _______________________________________________ > Podman mailing list --podman(a)lists.podman.io > To unsubscribe send an email topodman-leave(a)lists.podman.io