From owner-freebsd-questions@FreeBSD.ORG Fri Jul 30 16:41:31 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1E56F1065675; Fri, 30 Jul 2010 16:41:31 +0000 (UTC) (envelope-from sfourman@gmail.com) Received: from mail-yx0-f182.google.com (mail-yx0-f182.google.com [209.85.213.182]) by mx1.freebsd.org (Postfix) with ESMTP id ACAA78FC23; Fri, 30 Jul 2010 16:41:30 +0000 (UTC) Received: by yxe42 with SMTP id 42so863530yxe.13 for ; Fri, 30 Jul 2010 09:41:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=g5889z5QNz8+5jVBzBgrGBGu2dUAHQAXbw3EtWvYYOs=; b=SuIYxp/hGWcIkXj/y+PgaBM5nQHLeKky6lBbxmRlPd/OH+Xv+vk4bPvWKenAJgVsXK 5BNOfLeN/kMaxJbfQjxkIRTkX6rfL2oNIJ/kRRWUJX9Wce7uIMeKz4qvZ14Dx0UM8cIb TMuA6H/RDfiAHtJNIEh+zYpH1VoU1WUjL+Bo8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=Z98yd0BNkpgzKimBDixv1Va2Y7O6wPXU4rWHXr+yUcC17SntWkWw+XJ332/VFvIdRL Dp+sy52qWS/n2EPonpZ+FhH28eDCQOZR/DG96skDNl1OdHS22TliigUmI++k5rVfIro4 nII0yn6ImVpLA8QMAlLpGus7grORLVwMOC5OM= MIME-Version: 1.0 Received: by 10.150.11.12 with SMTP id 12mr3566707ybk.309.1280508089855; Fri, 30 Jul 2010 09:41:29 -0700 (PDT) Received: by 10.231.28.130 with HTTP; Fri, 30 Jul 2010 09:41:29 -0700 (PDT) In-Reply-To: References: Date: Fri, 30 Jul 2010 11:41:29 -0500 Message-ID: From: "Sam Fourman Jr." To: krad Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-hackers@freebsd.org, FreeBSD Questions Subject: Re: possible NFS lockups X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Jul 2010 16:41:31 -0000 On Tue, Jul 27, 2010 at 10:29 AM, krad wrote: > I have a production mail system with an nfs backend. Every now and again we > see the nfs die on a particular head end. However it doesn't die across all > the nodes. This suggests to me there isnt an issue with the filer itself and > the stats from the filer concur with that. > > The symptoms are lines like this appearing in dmesg > > nfs server 10.44.17.138:/vol/vol1/mail: not responding > nfs server 10.44.17.138:/vol/vol1/mail: is alive again > > trussing df it seems to hang on getfsstat, this is presumably when it tries > the nfs mounts > I also have this problem, where nfs locks up on a FreeBSD 9 server and a FreeBSD RELENG_8 client -- Sam Fourman Jr. Fourman Networks http://www.fourmannetworks.com