From mboxrd@z Thu Jan 1 00:00:00 1970 From: Trond Myklebust Subject: Re: NFS mount option - noac forces sync even if async is specified, and no warning is given Date: 03 Feb 2003 21:49:56 +0100 Sender: nfs-admin@lists.sourceforge.net Message-ID: References: <5CA6F03EF05E0046AC5594562398B916A7F982@POEXMB3.conoco.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Return-path: Received: from pat.uio.no ([129.240.130.16] ident=7411) by sc8-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 18fnXY-0004eV-00 for ; Mon, 03 Feb 2003 12:50:04 -0800 To: "Heflin, Roger A." In-Reply-To: <5CA6F03EF05E0046AC5594562398B916A7F982@POEXMB3.conoco.net> Errors-To: nfs-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: Discussion of NFS under Linux development, interoperability, and testing. List-Unsubscribe: , List-Archive: >>>>> " " == Roger A Heflin writes: > I run the following command: > mount -t nfs -o rw,hard,lock,intr,noac,async > hoepld31:/ptmp/hoepld31 /tmpmnt/ptmp/hoepld31 > And then cat /proc/mounts: > hoepld31:/ptmp/hoepld31 /tmpmnt/ptmp/hoepld31 nfs > rw,sync,v3,rsize=8192, > wsize=8192,acregmin=0,acregmax=0,acdirmin=0,acdirmax=0,hard,intr, > udp,noac,lock,addr=hoepld31 0 0 > Note that async is specified on the mount line and /proc/mounts > specifies that sync was used. If I don't use the async option That's right. 'noac' enforces 'sync' in order to remain compatible with the expected behaviour of noac on other NFS client implementations. If you don't need 'sync', you can specify acregmin=0,acregmax=0,acdirmin=0,acdirmax=0 instead. Cheers, Trond ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs