From owner-freebsd-fs@FreeBSD.ORG Wed May 5 14:53:03 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7ED571065672 for ; Wed, 5 May 2010 14:53:03 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from esa-jnhn.mail.uoguelph.ca (esa-jnhn.mail.uoguelph.ca [131.104.91.44]) by mx1.freebsd.org (Postfix) with ESMTP id 3210D8FC0C for ; Wed, 5 May 2010 14:53:02 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AvsEAPoi4UuDaFvI/2dsb2JhbACdRnG+FYUTBA X-IronPort-AV: E=Sophos;i="4.52,333,1270440000"; d="scan'208";a="74918481" Received: from darling.cs.uoguelph.ca ([131.104.91.200]) by esa-jnhn-pri.mail.uoguelph.ca with ESMTP; 05 May 2010 10:53:01 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by darling.cs.uoguelph.ca (Postfix) with ESMTP id A48F4940140; Wed, 5 May 2010 10:53:01 -0400 (EDT) X-Virus-Scanned: amavisd-new at darling.cs.uoguelph.ca Received: from darling.cs.uoguelph.ca ([127.0.0.1]) by localhost (darling.cs.uoguelph.ca [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hAnCkEmEzTdV; Wed, 5 May 2010 10:52:59 -0400 (EDT) Received: from muncher.cs.uoguelph.ca (muncher.cs.uoguelph.ca [131.104.91.102]) by darling.cs.uoguelph.ca (Postfix) with ESMTP id 9ECAE9400AA; Wed, 5 May 2010 10:52:59 -0400 (EDT) Received: from localhost (rmacklem@localhost) by muncher.cs.uoguelph.ca (8.11.7p3+Sun/8.11.6) with ESMTP id o45F7gu17593; Wed, 5 May 2010 11:07:42 -0400 (EDT) X-Authentication-Warning: muncher.cs.uoguelph.ca: rmacklem owned process doing -bs Date: Wed, 5 May 2010 11:07:42 -0400 (EDT) From: Rick Macklem X-X-Sender: rmacklem@muncher.cs.uoguelph.ca To: Jeremy Chadwick In-Reply-To: <20100505013136.GA48843@icarus.home.lan> Message-ID: References: <1272960060.34062.yuwen@exodus.cs.ccu.edu.tw> <4BDFE843.7050600@fuujingroup.com> <1273022040.28218.yuwen@exodus.cs.ccu.edu.tw> <20100505013136.GA48843@icarus.home.lan> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-fs , Cheng-Lin Yang , lab Subject: Re: Struggling on NFS problem 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: Wed, 05 May 2010 14:53:03 -0000 On Tue, 4 May 2010, Jeremy Chadwick wrote: > On Wed, May 05, 2010 at 09:14:00AM +0800, Cheng-Lin Yang wrote: >> 4. uname -a >> FreeBSD cs1.cs.ccu.edu.tw 8.0-RELEASE FreeBSD 8.0-RELEASE #0: Sat Nov 21 15:02:08 UTC 2009 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 > > Can you please try upgrading to RELENG_8 and see if the problem goes > away? Rick has made/committed many improvements to NFS in RELENG_8 that > don't exist in 8.0-RELEASE. > Since he is going to apply the patches at people.freebsd.org/~rmacklem, that should cover the important stuff. I have no idea if any of them will help. (One might explain why the clients become unusable. As for performance related to ZFS, I don't know anything about that. I've seen the emails go by on the mailing lists. I am hoping we can capture that information and put it in one place for users someday soon.) rick