From: "Talpey, Thomas" Subject: Re: Strange performance problems between Linux client and Sun/Solaris-10 Server with SAM-FS Date: Mon, 14 May 2007 12:58:08 -0400 Message-ID: References: <758936.68723.qm@web32601.mail.mud.yahoo.com> <26191.17882.qm@web32610.mail.mud.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" To: nfs@lists.sourceforge.net Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1HndsH-000419-Oi for nfs@lists.sourceforge.net; Mon, 14 May 2007 09:58:18 -0700 Received: from mx2.netapp.com ([216.240.18.37]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1HndsJ-00020e-9r for nfs@lists.sourceforge.net; Mon, 14 May 2007 09:58:20 -0700 Received: from svlexrs01.hq.netapp.com (svlexrs01.corp.netapp.com [10.57.156.158]) by smtp2.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id l4EGwCXJ025635 for ; Mon, 14 May 2007 09:58:12 -0700 (PDT) In-Reply-To: <26191.17882.qm@web32610.mail.mud.yahoo.com> References: <758936.68723.qm@web32601.mail.mud.yahoo.com> <26191.17882.qm@web32610.mail.mud.yahoo.com> List-Id: "Discussion of NFS under Linux development, interoperability, and testing." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfs-bounces@lists.sourceforge.net Errors-To: nfs-bounces@lists.sourceforge.net At 12:45 PM 5/14/2007, Martin Knoblauch wrote: >>At 10:20 AM 5/14/2007, Martin Knoblauch wrote: >>> not sure whether I should feel stupid. Inspecting the tcpdump log >>>(snippet attached), I see a lot of "reply ERR 1448" packets coming >from >>>the Sun. Which of course could explain a few things. >> >>Can you turn up the tcpdump reporting to show more NFS layer decoding? >>The "1448" is just the packet length at this level (which is a bit odd > >>in >>itself - why such a large reply?), not the error code. >Hi Tom, > > How to turn NFS reporting up? "-vvv" does not give any more info? Actually, I don't use tcpdump any more - can you use wireshark (ethereal)? If you've saved a captured trace, just open it with them. Then zoom in with the gui. Tom. > > I looked at the source to tcpdump/print-nfs.c. The "1448" is just the >length. The difference between "ok" and "ERR" is the value of the >SUNRPC_MSG_ACCEPTED bit in "rp->rm_reply.rp_stat". > >>>12:11:03.201366 IP (tos 0x0, ttl 61, id 42986, offset 0, flags [DF], > >>>proto: TCP (6), length: 1500) 160.50.118.37.2049 > >>>160.50.204.58.1090741696: reply ok 1448 >>>12:11:03.201442 IP (tos 0x0, ttl 61, id 42987, offset 0, flags [DF], > >>>proto: TCP (6), length: 1500) 160.50.118.37.2049 > >>>160.50.204.58.1076887552: reply ERR 1448 >>>... >> >>Tom. > > >------------------------------------------------------ >Martin Knoblauch >email: k n o b i AT knobisoft DOT de >www: http://www.knobisoft.de ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs