From: "Chuck Lever" Subject: Re: NFS Help! Terrible performance with sync, fast performance with async Date: Sun, 19 Nov 2006 22:08:53 -0500 Message-ID: <76bd70e30611191908u70f476f8iaf825ccc811367c@mail.gmail.com> References: <49BCFA109293624D9AE0EC6558C0D3B802A8B327@ATL1VEXC017.usdom004.tco.tc> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: nfs@lists.sourceforge.net Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1GlzWj-0001EJ-Vr for nfs@lists.sourceforge.net; Sun, 19 Nov 2006 19:08:58 -0800 Received: from nf-out-0910.google.com ([64.233.182.187]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1GlzWk-0000xN-B1 for nfs@lists.sourceforge.net; Sun, 19 Nov 2006 19:08:59 -0800 Received: by nf-out-0910.google.com with SMTP id c31so3809342nfb for ; Sun, 19 Nov 2006 19:08:54 -0800 (PST) To: "Chris Wornell" In-Reply-To: <49BCFA109293624D9AE0EC6558C0D3B802A8B327@ATL1VEXC017.usdom004.tco.tc> List-Id: "Discussion of NFS under Linux development, interoperability, and testing." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfs-bounces@lists.sourceforge.net Errors-To: nfs-bounces@lists.sourceforge.net On 11/19/06, Chris Wornell wrote: > Another question is I don't quite understand how the data corruption > happens if a power loss occurs on an NFS server using async. Even with sync, > data transferred over the wire maybe loss if the nfs server gets shut down > before that data is committed. Can anyone go into more detail on how the > data corruption happens? Have a look at http://nfs.sourceforge.net/#faq_b6 -- "We who cut mere stones must always be envisioning cathedrals" -- Quarry worker's creed ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs