From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992581AbXDROTd (ORCPT ); Wed, 18 Apr 2007 10:19:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2992584AbXDROTd (ORCPT ); Wed, 18 Apr 2007 10:19:33 -0400 Received: from mx2.netapp.com ([216.240.18.37]:21395 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992581AbXDROTc (ORCPT ); Wed, 18 Apr 2007 10:19:32 -0400 X-IronPort-AV: i="4.14,423,1170662400"; d="scan'208"; a="52283620:sNHT17094049" Subject: Re: [PATCH 0/4] 2.6.21-rc7 NFS writes: fix a series of issues From: Trond Myklebust To: Florin Iucha Cc: linux-kernel@vger.kernel.org In-Reply-To: <20070418141722.GI24044@iucha.net> References: <1176868485.6796.42.camel@heimdal.trondhjem.org> <20070418040730.GC24044@iucha.net> <20070417211350.ebba1493.akpm@linux-foundation.org> <20070418043040.GD24044@iucha.net> <20070417223738.8f49a39f.akpm@linux-foundation.org> <20070418123842.GF24044@iucha.net> <1176902131.6796.62.camel@heimdal.trondhjem.org> <20070418134225.GG24044@iucha.net> <1176905506.6796.84.camel@heimdal.trondhjem.org> <20070418141722.GI24044@iucha.net> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Network Appliance Inc Date: Wed, 18 Apr 2007 10:19:31 -0400 Message-Id: <1176905971.6796.87.camel@heimdal.trondhjem.org> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 X-OriginalArrivalTime: 18 Apr 2007 14:19:37.0547 (UTC) FILETIME=[988059B0:01C781C4] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2007-04-18 at 09:17 -0500, Florin Iucha wrote: > On Wed, Apr 18, 2007 at 10:11:46AM -0400, Trond Myklebust wrote: > > On Wed, 2007-04-18 at 08:42 -0500, Florin Iucha wrote: > > > Could the port in CLOSE_WAIT state be the culprit? (FWIW > > > the server has been up for 38 days and subjected to > > > this nfs test quite a bit without showing any stress). > > > > The port in CLOSE_WAIT shows that a socket was closed down recently, but > > once the connection is re-established, the client should start sending > > data. > > Do you have a copy of wireshark or ethereal on hand? If so, could you > > take a look at whether or not any NFS traffic is going between the > > client and server once the hang happens? > > Note that the timeout value is 60 seconds, so if you see no immediate > > traffic, then let the ethereal/wireshark session keep running for a > > couple more minutes. > > Should I run wireshark/ethereal on the client or on the server? On the client, please, for the moment. Cheers Trond