On Fri, Feb 25, 2011 at 2:30 PM, Alex Dean <alex@crackpot.org> wrote:

On Feb 25, 2011, at 3:13 PM, Mark Phillips wrote:
> # mount | grep nfs
> return anything?
> hammerhead:/home/mark# mount | grep nfs
> rpc_pipefs on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
> hammerhead:/home/mark#
>
> I have no idea who rpc_pipefs on /var/lib.... is and why it is there! Any ideas before I blow it away?

That's NFS-server related.  Used by the id mapper, I think.  On RedHat at least, I think that's started/stopped by /etc/init.d/nfslock. (Though my memory is a little sketchy on that point.)  The pipefs could possibly be mounted even if nothing's using it, also.  Got any NFS-related services running?

Afaik, an NFS server shouldn't get stale file handles.  That's a client's problem.

RedHat/Fedora:
 $ rpm -qa | grep nfs
Debian/Ubuntu:
 $ dpkg --list | grep nfs
Both:
 $ ls /etc/init.d | grep nfs

hammerhead:/home/mark# dpkg --list | grep nfs
rc  libnfsidmap1                         0.8-1                                An nfs idmapping library
ii  libnfsidmap2                         0.20-1                               An nfs idmapping library
ii  nfs-common                           1:1.1.2-6lenny2                      NFS support files common to client and serve

hammerhead:/home/mark# ls /etc/init.d | grep nfs
mountkernfs.sh
mountnfs-bootclean.sh
mountnfs.sh
nfs-common
umountnfs.sh
hammerhead:/home/mark#

Wow...I had no idea nfs was running. I have no idea how it is being used or by what process. Do I stop it with /etc/init.d/umnountnfs?

Mark