On Fri, Feb 25, 2011 at 3:28 PM, Alex Dean <
alex@crackpot.org> wrote:
>
> On Feb 25, 2011, at 4:16 PM, Mark Phillips wrote:
>
> >
> >
> > 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
>
> unmountnfs.sh is part of initscripts. I don't think you're expected to
> call it directly, so I'd be inclined to say leave it alone. I think you can
> try removing all those packages if you really don't need them. To stop
> nfs-common, you'd use '/etc/init.d/nfs-common stop'.
>
> alex@artichoke:~$ cat /etc/issue
> Ubuntu 9.10 \n \l
> alex@artichoke:~$ dpkg -S /etc/init.d/umountnfs.sh
> initscripts: /etc/init.d/umountnfs.sh
>
> You can use "apt-cache showpkg nfs-common" to figure out if you've got any
> packages which depend on nfs-common. (Same for libnfsidmap1 and 2.) Look
> in the 'Reverse Depends' section. Or just "apt-get remove ..." and see what
> warnings you get.
>
> I imagine the uninstallation scripts should umount the pipefs filesystem,
> but that may not be true. Either way, I don't think that's the cause of
> your 'stale file handles' issue, but I could certainly be wrong on that
> point.
>
> What if I just delete the files that have stale NFS file handles and
re-install them?
Mark
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