Re: [gentoo-user] nfsv4 issues

[Adam Carter]

> >> I don't use systemd on Gentoo but for the nfs-utils upstream-shipped
> >> systemd units that I think that Gentoo's using, you have to re-run
> >> nfs-config.service - or run the script that it calls - in order to
> >> update the "/run/sysconfig/nfs-utils" environment file that's sourced
> >> by the nfs-server.service unit.
> >
> > In /usr/lib/systemd/system/nfs-server.service
> > [Service]
> > EnvironmentFile=/etc/conf.d/nfs
>
> Sorry. Looking at the ebuild, there's:
>
> <begin>
> rm "${D}$(systemd_get_unitdir)"/nfs-config.service || die
> sed -i -r \
> -e "/^EnvironmentFile=/s:=.*:=${EPREFIX}/etc/conf.d/nfs:" \
> -e '/^(After|Wants)=nfs-config.service$/d' \
> -e 's:/usr/sbin/rpc.statd:/sbin/rpc.statd:' \
> "${D}$(systemd_get_unitdir)"/* || die
> </end>
>
> so the upstream "nfs-config.service" waltz is avoided.
>
> But that means that the variables in "/etc/conf.d/nfs" aren't renamed.
> So the openrc nfs script uses "${OPTS_RPC_NFSD}", which is defined,
> and the systemd service uses "$RPCNFSDARGS", which isn't.
>

I've added $RPCNFSDARGS to /etc/conf.d/nfs, restarted, and the nproc
setting works.

>
> >> Does "/var/lib/nfs/v4recovery/" exist?
> >
> > No
> > # ls /var/lib/nfs/
> > etab export-lock rmtab rpc_pipefs sm sm.bak state xtab
>
> IIRC, it's needed to avoid this delay. I thought that I'd saved a url
> about this but I can't find it.
>
> Do you have a syslog message about "stable storage"? "man nfsdcltrack".
>

There's no message about stable storage, but there's this;
kernel: [578030.628415] NFSD: the nfsdcld client tracking upcall will be
removed in 3.10. Please transition to using nfsdcltrack.

# which nfsdcltrack
which: no nfsdcltrack in
(/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/bin:/usr/x86_64-pc-linux-gnu/gcc-bin/5.4.0:/usr/lib64/subversion/bin:/opt/vmware/bin)
# qlist nfs | grep nfsdcltrack
#


> The openrc script has
>
> <begin>
> mkdir_nfsdirs() {
> local d
> for d in v4recovery v4root ; do
> d="/var/lib/nfs/${d}"
> [ ! -d "${d}" ] && mkdir -p "${d}"
> done
> }
> </end>
>
> but systemd doesn't have anything equivalent. On RHEL and Ubuntu,
> "/var/lib/nfs/v4recovery/" is created at installation time. Perhaps
> the Gentoo ebuild should do the same or should ship a
> "/usr/lib/tmpfiles.d/var-lib-nfs.conf" to create it at boot if it
> doesn't exist.
>
> I've added the directory, and after restarting syslog now has new entries;
kernel: [912267.948883] NFSD: Using /var/lib/nfs/v4recovery as the NFSv4
state recovery directory
kernel: NFSD: Using /var/lib/nfs/v4recovery as the NFSv4 state recovery
directory

I will test shortly and report back - thanks!