From owner-freebsd-stable@FreeBSD.ORG Tue Nov 30 02:35:48 2010 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 82264106566B for ; Tue, 30 Nov 2010 02:35:48 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from asmtpout028.mac.com (asmtpout028.mac.com [17.148.16.103]) by mx1.freebsd.org (Postfix) with ESMTP id 697A58FC13 for ; Tue, 30 Nov 2010 02:35:48 +0000 (UTC) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; charset=us-ascii Received: from cswiger1.apple.com ([17.209.4.71]) by asmtp028.mac.com (Sun Java(tm) System Messaging Server 6.3-7.04 (built Sep 26 2008; 64bit)) with ESMTPSA id <0LCO00MF6CF8P060@asmtp028.mac.com> for stable@freebsd.org; Mon, 29 Nov 2010 17:35:33 -0800 (PST) X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 ipscore=0 suspectscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx engine=6.0.2-1010190000 definitions=main-1011290202 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.2.15,1.0.148,0.0.0000 definitions=2010-11-30_01:2010-11-29, 2010-11-30, 1970-01-01 signatures=0 From: Chuck Swiger In-reply-to: <4CF44E2E.4070700@egr.msu.edu> Date: Mon, 29 Nov 2010 17:35:32 -0800 Message-id: <3DE362A0-68E6-4EB9-99C9-86ACA5E0BA75@mac.com> References: <4CF44E2E.4070700@egr.msu.edu> To: Adam McDougall X-Mailer: Apple Mail (2.1082) Cc: stable@freebsd.org Subject: Re: Stale NFS file handles on 8.x amd64 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Nov 2010 02:35:48 -0000 Hi, Adam-- On Nov 29, 2010, at 5:06 PM, Adam McDougall wrote: > I've been running dovecot 1.1 on FreeBSD 7.x for a while with a bare minimum of NFS problems, but it got worse with 8.x. I have 2-4 servers (usually just 2) accessing mail on a Netapp over NFSv3 via imapd. delivery is via procmail which doesn't touch the dovecot metadata and webmail uses imapd. Client connections to imapd go to random servers and I don't yet have solid means to keep certain users on certain servers. Are you familiar with: http://wiki1.dovecot.org/NFS Basically, you're running a "try to avoid doing this" configuration, but it does discuss some options to improve the situation. If you can tolerate the performance hit, try disabling NFS attribute cache... Regards, -- -Chuck