On 04/05/2016 08:49 AM, John J. McDonough wrote:
I have a small server that offers a number of directories over NFS. I
am running a virtual machine on another physical machine.
When I try to mount an NFS directory on the VM, the NFS server refuses,
claiming a bad port. Successive tries result in different reported
port numbers.
What is going on? Is there some sort of virtio setting I am missing?
NFS works fine to the machine hosting the VM, but not to another
machine.
It rather depends on the NFS client implementation. For example, a
normal NFS mount will fail if the client is a Mac because the Mac's
client won't use reserved ports unless you specifically give it an
"-o resvport" option. This is more or less the opposite of Linux (which
uses reserved ports by default).
My suggestion is to try the mount on the VM clients and try the "-o
resvport" option, just in case:
mount -o resvport,rw nfsserver:/export /mountpoint
and see what you get.
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