[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: rename() over NFS
From: |
Bruno Haible |
Subject: |
Re: rename() over NFS |
Date: |
Sat, 13 Nov 2010 12:58:56 +0100 |
User-agent: |
KMail/1.9.9 |
[bug-coreutils readers: This is a reply to
<http://lists.gnu.org/archive/html/bug-gnulib/2010-11/msg00155.html>].
Paul Eggert wrote:
> > What should we do?
> > a) Patch the test so that it uses a readdir() loop to detect the absence
> > of
> > the file even when stat() pretends it's still present. Or
> > b) Use an rpl_rename override that will make the unit test work.
>
> It's long been well-known that NFS is not POSIX-compliant.
> If we start down the path of putting wrappers around NFS to make it
> POSIX-compliant,
> we'll have a lot of work to do and a job that will probably never end,
> and we'll make coreutils slow down for the common case even though
> in practice the problems are rare and users don't care about them.
>
> So, my vote is for (a). Or maybe even (c): skip the test if it's
> running atop NFS.
>
> I've been observing similar test failures for months, by the way, but
> haven't bothered to report them, because, hey! it's NFS! of course it's
> going to screw up in those cases!
But NFS is widely used, in small networks of 2 to 50 Linux/Unix machines.
Users are running shell scripts in such situations, with lots of coreutils
commands.
Bruno