NFS and file-locking
Jason M. Leonard
fuzz at ldc.upenn.edu
Tue Mar 9 14:19:43 PST 2004
On Tue, 9 Mar 2004, Kris Kennaway wrote:
> On Tue, Mar 09, 2004 at 10:50:01PM +0100, Dominik Epple wrote:
> > Hi,
> >
> > can anyone please give me some short information (or a pointer to it)
> > about the status of file locking over NFS with FreeBSD clients and
> > different servers (e.g. FreeBSD, OpenBSD, linux).
>
> FreeBSD 5 has working NFS locking (rpc.lockd) support. Linux is
> broken and will not interoperate with FreeBSD unless you apply the
> patch in PR kern/56461.
rpc.lockd support is not entirely stable; see PR bin/61718.
I am always able to force the described problem to happen between two
5.2.x machines by using the file locking test from the
/usr/ports/mail/procmail installation. When it asks for additional
locations to test file locking, give it a remote NFS destination and watch
things break.
:Fuzz
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