From: Trond Myklebust Subject: RE: Data coherency trouble with multiple clients on 2.6.14-rc5 Date: Mon, 07 Nov 2005 11:24:52 -0500 Message-ID: <1131380693.9094.23.camel@lade.trondhjem.org> References: <044B81DE141D7443BCE91E8F44B3C1E288E5F1@exsvl02.hq.netapp.com> Mime-Version: 1.0 Content-Type: text/plain Cc: nfs@lists.sourceforge.net Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list2.sourceforge.net with esmtp (Exim 4.30) id 1EZ9qJ-000276-HG for nfs@lists.sourceforge.net; Mon, 07 Nov 2005 08:27:35 -0800 Received: from pat.uio.no ([129.240.130.16] ident=7411) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1EZ9qI-0003nD-1c for nfs@lists.sourceforge.net; Mon, 07 Nov 2005 08:27:35 -0800 To: "Lever, Charles" In-Reply-To: <044B81DE141D7443BCE91E8F44B3C1E288E5F1@exsvl02.hq.netapp.com> Sender: nfs-admin@lists.sourceforge.net Errors-To: nfs-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: Discussion of NFS under Linux development, interoperability, and testing. List-Post: List-Help: List-Subscribe: , List-Archive: On Mon, 2005-11-07 at 08:08 -0800, Lever, Charles wrote: > in the case of "noac", OTW writes are always synchronous. thus you > should never have the problem where concurrent async writes will obscure > server-side changes on "noac" mounts. However reads are not synchronous, nor are they ordered. You have no guarantee that the RPC READ call that filled the first page you read was handled by the server before the read that filled the next page. Cheers, Trond ------------------------------------------------------- SF.Net email is sponsored by: Tame your development challenges with Apache's Geronimo App Server. Download it for free - -and be entered to win a 42" plasma tv or your very own Sony(tm)PSP. Click here to play: http://sourceforge.net/geronimo.php _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs