Re: disabling caching

[Frank van Maarseveen <frankvm@frankvm.com>]

On Fri, Jul 14, 2006 at 10:12:32AM +0200, Stefan Palme wrote:
> 
> After a few seconds, the open() call on the second box succeeds.
> So I guess that caching is the reason for the second open()-call
> to fail.

You might want to try (1) and/or ((2) or (3)) on the NFS client:

(1)	On the NFS client, put this before the open():

		close(open("whatever", O_WRONLY|O_CREAT, 0666));
		unlink("whatever");

(2)	Try the "noac" nfs mount option, it'll cost performance though.

(3)	Another solution might be to use the patch at www.frankvm.com/nfs-noac
	to selectively disable attribute caching (see the README). It's a trick
	I use for some distributed work.


-- 
Frank


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