From owner-freebsd-fs@FreeBSD.ORG Fri Aug 30 19:28:29 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id BA7D2F0A for ; Fri, 30 Aug 2013 19:28:29 +0000 (UTC) (envelope-from sfourman@gmail.com) Received: from mail-vc0-x22e.google.com (mail-vc0-x22e.google.com [IPv6:2607:f8b0:400c:c03::22e]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 7A95F2A0C for ; Fri, 30 Aug 2013 19:28:29 +0000 (UTC) Received: by mail-vc0-f174.google.com with SMTP id gd11so1583168vcb.5 for ; Fri, 30 Aug 2013 12:28:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=BWj7Mtfowuuxz0A238enm7cGWZQYnv8wGiwr7GWNbsM=; b=QEQ5RInUP97FhmwXA2klVMXX4oHQPWs9i9wwyt6vb4xp3YQL+UXFDEwJ6Dhn0SEf3O R/viYfwyqbYVXVniwiVetvaCE+navn6BAt4dIyCUFsR+OE62cz9FEyVJSPdNhRvdMTcm ztpOnfeOqDXPeVCGrSw/dl9vLvP35D9LnAyMmDRacZ29H8nU18t2SQE0rHxPC7I5P6ED 6rurcqEbJTSfITnz2jbplEuh2S8ll2u7NHRz4in36EN7Pctw2n5Plwwl/341HtY/ortp XvOes74cdsF0eCun/YelryVDQPqqWx/nvW9mfdW5woljRxMWf+fs48Btr4Zxn+mM3XKH x2BA== MIME-Version: 1.0 X-Received: by 10.52.76.38 with SMTP id h6mr7257333vdw.10.1377890908544; Fri, 30 Aug 2013 12:28:28 -0700 (PDT) Received: by 10.220.96.78 with HTTP; Fri, 30 Aug 2013 12:28:28 -0700 (PDT) In-Reply-To: <2008996797.14358576.1377631792358.JavaMail.root@uoguelph.ca> References: <2008996797.14358576.1377631792358.JavaMail.root@uoguelph.ca> Date: Fri, 30 Aug 2013 15:28:28 -0400 Message-ID: Subject: Re: NFS on ZFS pure SSD pool From: "Sam Fourman Jr." To: Rick Macklem Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: FreeBSD FS X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Aug 2013 19:28:29 -0000 > > You could try this patch: > http://people.freebsd.org/~rmacklem/drc4-stable9.patch > - After applying the patch and booting a kernel built from the patched > sources, you need to increase the value of vfs.nfsd.tcphighwater. > (Try something like 5000 for it as a starting point.) > > Although this patch is somewhat different code, it should be semantically > the same as r254337 in head, that is scheduled to be MFC'd to stable/9 in > a couple of weeks. > > Does anyone know why the server would get these errors? $ cat /var/log/messages | grep failed Aug 30 10:22:20 students nfsd[1978]: accept failed: Software caused connection abort Aug 30 10:27:16 students nfsd[1978]: accept failed: Software caused connection abort Aug 30 11:46:30 students nfsd[1978]: accept failed: Software caused connection abort Aug 30 11:47:10 students nfsd[1978]: accept failed: Software caused connection abort -- Sam Fourman Jr.