On Mi, 02 feb 22, 13:49:38, Anssi Saari wrote: > Greg Wooledge <g...@wooledge.org> writes: > > > I'm unclear on how NFS v4 works. Everything I've read about it in the > > past says that you have to set up a user mapping, which is shared by > > the client and the server. And that this is *not* optional, and *is* > > exactly as much of a pain as it sounds. > > I've never done that, as far as I remember. NFS (NFSv4, these days) > mounts in my home network use autofs but I haven't done anything there > either specifically for NFS of any verstion. I remember there was some > weirdness at some point with NFSv4 and I didn't bother with it much. I > had maybe two computers back then so not much of network. But over the > years my NFS mounts just became NFSv4.
Are you sure you're actually using NFSv4? (check 'mount | grep nfs'). In my experience in order to make NFSv4 work it's necessary to configure a "root" share with fsid=0 or something like that and mount the actual shares using a path relative to it (my NFS "server" is currently down, so I can't check exactly what I did). > Access for me is by UID. Service is by the kernel driver or in the case > of zfs, the NFS service it provides. I've thought about setting up > Kerberos but haven't gotten around to it. One thing is, I don't know if > Kerberos would work with the NFS service zfs provides? No big deal > either way though. As far as I know ZFS is using the kernel NFS server, it's just providing a convenient method to share / unshare so it's not necessary to mess with /etc/exports if all your shares are ZFS data sets. (zfs-utils Suggests: nfs-kernel-server and https://wiki.debian.org/ZFS#NFS_shares implies the same) Kind regards, Andrei -- http://wiki.debian.org/FAQsFromDebianUser
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