From owner-freebsd-current@FreeBSD.ORG Wed Mar 26 01:38:14 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1FDF737B404 for ; Wed, 26 Mar 2003 01:38:14 -0800 (PST) Received: from sushi.sonnenwin.de (port-212-202-202-62.reverse.qdsl-home.de [212.202.202.62]) by mx1.FreeBSD.org (Postfix) with ESMTP id 23BA543F75 for ; Wed, 26 Mar 2003 01:38:13 -0800 (PST) (envelope-from patric@argv.de) Received: by sushi.sonnenwin.de (Postfix, from userid 1001) id 3187822F66; Wed, 26 Mar 2003 10:38:12 +0100 (CET) Date: Wed, 26 Mar 2003 10:38:12 +0100 From: Patric Mrawek To: Ian Dowse Message-ID: <20030326093812.GA16614@argv.de> References: <20030325210152.GA12565@argv.de> <200303260034.aa92057@salmon.maths.tcd.ie> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: <200303260034.aa92057@salmon.maths.tcd.ie> X-PGP-Fingerprint: 28FB 7E04 463C A8C3 361E 7BF6 F8CD 6A7D 0A29 FE7D User-Agent: Mutt/1.5.3i X-Spam-Status: No, hits=-32.5 required=5.0 tests=EMAIL_ATTRIBUTION,IN_REP_TO,QUOTED_EMAIL_TEXT,REFERENCES, REPLY_WITH_QUOTES,USER_AGENT_MUTT autolearn=ham version=2.50 X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.50 (1.173-2003-02-20-exp) cc: current@freebsd.org Subject: Re: NFS -current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Patric Mrawek List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Mar 2003 09:38:17 -0000 Ian Dowse wrote: > >On several clients (-DP1, -DP2, 4-stable) mounting a nfs-share > >(mount_nfs -i -U -3 server:/nfs /mnt) and then copying data from that > >share to the local disk (find -x -d /mnt | cpio -pdumv /local) results > >in lost NFS-mount. > > > >client kernel: nfs server server:/nfs: not responding 10 > 9 >=20 > I'm not sure what you mean by a "lost" mount. Do all further accesses > to the filesystem hang? I meant there's no response from the nfs-server. I can interrupt the =BBfind | cpio=AB and restart it. When restarting directly after that it will hang too, but if I wait for about 30 seconds and restart it, the same amount of data is copied. > It is normal enough to get the above 'not responding' errors > occasionally on a busy fileserver, but only if they are almost > immediately followed by 'is alive again' messages. There's only one client and the server isn't busy. > If the filesystem stops working and doesn't recover, could you run > `tcpdump -nepX -s 1600 udp port 2049' when it hangs and record a > few packets? I'll send you private email. (Doing the same on an loopback mounted filesystem on the server itself works fine.) Patric --=20 The problem with troubleshooting is that trouble shoots back.