On Monday, 23 December 2019 16:50:58 GMT Peter Humphrey wrote: > Hello list, > > Since I set up IPv6 on my LAN, I've been unable to NFS-export a directory on > machine A (an Atom serving portage via git, among other things) and mount > it on machine B (this workstation). It was working fine until then, but now > mount commands fail. In both kernels I have NFSv4 selected, but not 4.x; no > fancy extras like ACLs. > > I went back to the Gentoo nfs-utils wiki page and made sure I had everything > right, then searched for other people's problems. Nothing has helped so > far. > > On the server: > $ cat /etc/conf.d/nfs > NFS_NEEDED_SERVICES="rpc.idmapd" > OPTS_RPC_NFSD="1 -N 2 -N 3 -V 4 -N 4.1" > OPTS_RPC_MOUNTD="-p 32767" > OPTS_RPC_STATD="-p 32765 -o 32766" > OPTS_RPC_IDMAPD="" > OPTS_RPC_GSSD="" > OPTS_RPC_SVCGSSD="" > OPTS_RPC_RQUOTAD="" > EXPORTFS_TIMEOUT=30 > $ cat /etc/exports > mnt/nfs 192.168.1.5/24(rw,no_subtree_check,crossmnt,fsid=0) \ > fe80::5/64(rw,sync,no_subtree_check,crossmnt,fsid=0) > /mnt/nfs/portage > 192.168.1.5/24(rw,no_subtree_check,anonuid=250,anongid=250,fsid=1) \ > fe80::5/64(rw,no_subtree_check,anonuid=250,anongid=250,fsid=1) > /mnt/nfs/port.resc > 192.168.1.5/24(rw,no_subtree_check,anonuid=250,anongid=250,fsid=2) \ > fe80::5/64(rw,no_subtree_check,anonuid=250,anongid=250,fsid=2) $ grep nfs > /etc/fstab > /usr/portage /mnt/nfs/portage none bind > 0 0 > > On the client: > $ grep nfs /etc/fstab > 192.168.1.2:/mnt/nfs/portage /mnt/atom/usr/portage nfs4 > noauto,rw,_netdev 0 0 > > Now I try to mount /usr/portage from the host on /mnt/atom/usr/portage > (which does exist) and get this: > # mount /mnt/atom/usr/portage > mount.nfs4: mounting 192.168.1.2:/mnt/nfs/portage failed, reason given by > server: No such file or directory # mount 192.168.1.2:/mnt/nfs/portage > /mnt/atom/usr/portage > mount.nfs: mounting 192.168.1.2:/mnt/nfs/portage failed, reason given by > server: No such file or directory # mount [fe80::2]:/mnt/nfs/portage > /mnt/atom/usr/portage > mount.nfs: mount system call failed > > It doesn't seem to be a firewall problem, because I get the same result if I > start both machines without their firewalls - I don't do that very often! > Ping works fine in both directions, whether IPv4 or v6. Do I have to tweak > mapd somehow? > > I'm feeling a bit clueless...
Is anyone feeling less clueless than me? I'm out of ideas now and hoping for some help. -- Regards, Peter.