From owner-freebsd-fs@FreeBSD.ORG Fri Feb 6 18:36:43 2009 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 40093106566C for ; Fri, 6 Feb 2009 18:36:43 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from acadia.cs.uoguelph.ca (acadia.cs.uoguelph.ca [131.104.94.221]) by mx1.freebsd.org (Postfix) with ESMTP id D866F8FC12 for ; Fri, 6 Feb 2009 18:36:42 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from muncher.cs.uoguelph.ca (muncher.cs.uoguelph.ca [131.104.91.102]) by acadia.cs.uoguelph.ca (8.13.1/8.13.1) with ESMTP id n16IafWJ018888; Fri, 6 Feb 2009 13:36:41 -0500 Received: from localhost (rmacklem@localhost) by muncher.cs.uoguelph.ca (8.11.7p3+Sun/8.11.6) with ESMTP id n16IeSW24436; Fri, 6 Feb 2009 13:40:28 -0500 (EST) X-Authentication-Warning: muncher.cs.uoguelph.ca: rmacklem owned process doing -bs Date: Fri, 6 Feb 2009 13:40:28 -0500 (EST) From: Rick Macklem X-X-Sender: rmacklem@muncher.cs.uoguelph.ca To: Joe7 In-Reply-To: <20090206182718.dhsvxzt7r4sswos4@www.site.hu> Message-ID: References: <20090205212511.jrmipmazeo4o0c8w@www.site.hu> <20090206182718.dhsvxzt7r4sswos4@www.site.hu> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Scanned-By: MIMEDefang 2.63 on 131.104.94.221 Cc: freebsd-fs@freebsd.org Subject: Re: nfs delay causing broken files X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Feb 2009 18:36:43 -0000 On Fri, 6 Feb 2009, Joe7 wrote: > Hi, > > Thank you for reply, but: > I'm afraid sync mount is not an option: > mount_nfs: -o sync: option not supported > > Tried acregmax=0 already, and that made no difference unfortunately. > Application level O_DIRECT is not an option for us, so I'm wondering what can > be done at mount level? > Oops, I saw that MNT_SYNCHRONOUS would set IO_SYNC, but didn't check to see if the mount would actually work. Sorry about that. Hmm, I think that, without O_DIRECT. you are SOL (shit outa luck:-). rick