Re: Some NFS server V4 questions

Russell L. Carter wrote:
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> 
> 
> On 10/25/14 09:58, Beeblebrox wrote:
> > Hi Russ,
> > 
> >>> PXE client's /etc/fstab is: 92.168.2.1:/data/amd64 /       nfs
> >>> ro 0       0 192.168.2.1:/usr/local /usr/local nfs   ro      0
> >> 
> >> Possibly need to arrange for mount_nfs to see -o nfsv4 (I use
> >> mount_nfs -o nfsv4,minorversion=1)
> > Yeah, that would work very likely and thanks.
> > 
> > From a purist standpoint, what would be settings on server side to
> > force NFSV4 offering only? This means, how can I configure NFS so
> > that V2/V3 requests get denied AND logged for debug?
> > 
> 
> I have vfs.nfsd.server_min_nfsvers=4 set on the server, and
> when I mount_nfs -o nfsv3 on the client, the error the client
> sees is
> 
> [tcp] terp:/packages: NFSPROC_NULL: RPC: Program/version mismatch;
> low
> version = 4, high version = 4
> 
> Have to ^C to exit.
> 
> Nothing shows up in the server's log, but because of sloth I haven't
> tried to make anything show up.  Maybe there's an option.
> 
There isn't an option to log the attempts, but it does seem to have
disallowed NFSv3 RPCs.

rick

> Best,
> Russell
> 
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