From: "Talpey, Thomas" Subject: Re: Delays on "first" access to a NFS mount Date: Wed, 07 Mar 2007 07:38:09 -0500 Message-ID: References: <20070307112347.6a40faff.simon.peter@gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: nfs@lists.sourceforge.net To: Simon Peter 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 1HOvPd-0007H9-Ng for nfs@lists.sourceforge.net; Wed, 07 Mar 2007 04:38:33 -0800 Received: from mx2.netapp.com ([216.240.18.37]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1HOvPe-0008MR-HI for nfs@lists.sourceforge.net; Wed, 07 Mar 2007 04:38:35 -0800 In-Reply-To: <20070307112347.6a40faff.simon.peter@gmx.de> References: <20070307112347.6a40faff.simon.peter@gmx.de> 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 The delay seems to be on the server side. What is the server running? Does it have any nameservice issues? Delays on the first response can often be due to server exports checking, which usually requires reverse name lookups. Tom. At 05:23 AM 3/7/2007, Simon Peter wrote: >Hi, > >I get a good 10 second delay anytime I am accessing my NFS mounts from >a client for the first time (or after a long time not accessing them -- >I suppose whenever the cache is cleared or something similar). > >I usually did not bother, even though it is very annoying, but this >time I collected a network protocol capture, which is attached. Notice >the big delay between packet #6 and #8, while #7 should show that it is >not a network issue. > >I would be very glad if somebody could explain these delays. > >Thanks, >Simon ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs