Re: FreeBSD 15-20250822 NFSv4.1 server broken?

On Fri, 22 Aug 2025 at 15:27, Rick Macklem <rick.macklem@gmail.com> wrote:
>
> On Fri, Aug 22, 2025 at 3:38 AM Cedric Blancher
> <cedric.blancher@gmail.com> wrote:
> >
> > Good morning!
> >
> > FreeBSD 15-2025082, NFSv4.1 server set up like this:
> > # sysrc nfs_server_enable=YES
> > # sysrc nfsv4_server_enable=YES
> > # sysrc nfsuserd_enable=YES
> > # sysrc nfscbd_enable=YES
> > # sysctl vfs.nfs.enable_uidtostring=1
> > # sysctl vfs.nfsd.enable_stringtouid=1
> > # sysctl vfs.nfsd.issue_delegations=1
> > # printf 'V4: / -sec=sys\n' >>'/etc/exports'
> > # service nfsd start
> > # cat /etc/exports
> > V4: / -sec=sys
> This line only defines where the NFSv4 root is and
> what security is required for system state operations
> (ones not using any files).
>
> You also need to export the file systems as separate
> lines. If using ZFS, you can do so via the "sharenfs"
> property or by additional line(s) written manually in
> /etc/exports. For other file systems, like UFS, you
> need to put the lines in /etc/exports manually.
>
> One (or more, if different client hosts get different
> flags) for each file system. Each line will look
> something like:
> /home -maproot=root -alldirs -network 192.168.1.0/24
>
> The simplest variant (if your system is just one
> file system) would be a line like:
> /
>
> See the examples section of "man exports".
>
> After updating /etc/exports, you need to...
> # service mountd reload
> to get mountd to update the exports in the kernel
> from what is in /etc/exports.
>
> rick
> ps: Yes, "man exports" is confusing. I plan on trying to
>       improve it someday.

I tried the following setup after a clean install. It works with
FreeBSD 14.3, but fails with the latest FreeBSD 15 snapshot from
today.
Could you PLEASE have a look whether you get the same failures on
Linux as we did?
---- cut-here ----
sysrc rpcbind_enable="YES"
sysrc mountd_enable="YES"
sysrc nfs_server_enable=YES
sysrc nfsv4_server_enable=YES
sysrc nfsuserd_flags="-domain GLOBAL.LOC"
sysrc nfsuserd_enable=YES
sysrc nfscbd_enable=YES
sysctl vfs.nfs.enable_uidtostring=1
sysctl vfs.nfsd.enable_stringtouid=1
sysctl vfs.nfsd.issue_delegations=1

mkdir /nfsdata
chmod a+rwxt /nfsdata

# NFSv4.1 exports must come after the 'V4: /' line,
# otherwise you get a NFS4ERR_NOFILEHANDLE
printf 'V4: /\n' >'/etc/exports'
printf '/nfsdata -network=10.49.202.0 -mask=255.255.255.0  -sec=sys\n'
>>'/etc/exports'
service nfsd start
---- cut-here ----

Ced
-- 
Cedric Blancher <cedric.blancher@gmail.com>
[https://plus.google.com/u/0/+CedricBlancher/]
Institute Pasteur