From: Douglas Furlong Subject: Re: NFS server not responding Date: Thu, 27 Nov 2003 19:07:13 +0000 Sender: nfs-admin@lists.sourceforge.net Message-ID: <1069960032.4680.71.camel@wibbit.firebox.com> References: <1069934421.4677.77.camel@wibbit.firebox.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Cipher TLSv1:DES-CBC3-SHA:168) (Exim 3.31-VA-mm2 #1 (Debian)) id 1APRU3-000546-00 for ; Thu, 27 Nov 2003 11:07:23 -0800 Received: from dsl-217-155-91-196.zen.co.uk ([217.155.91.196] helo=helium.firebox.com) by sc8-sf-mx1.sourceforge.net with esmtp (TLSv1:AES256-SHA:256) (Exim 4.24) id 1APRU2-0004yy-S7 for nfs@lists.sourceforge.net; Thu, 27 Nov 2003 11:07:23 -0800 Received: from localhost (helium.firebox.com [127.0.0.1]) by helium.firebox.com (8.12.8/8.12.8) with ESMTP id hARJ019e026753 for ; Thu, 27 Nov 2003 19:00:01 GMT Received: from helium.firebox.com ([127.0.0.1]) by localhost (helium.firebox.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 26480-03-3 for ; Thu, 27 Nov 2003 19:00:01 +0000 (GMT) Received: from [192.168.0.150] (wibbit.firebox.com [192.168.0.150]) by helium.firebox.com (8.12.8/8.12.8) with ESMTP id hARIxvUh026722 for ; Thu, 27 Nov 2003 18:59:57 GMT To: nfs@lists.sourceforge.net In-Reply-To: Errors-To: nfs-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: Discussion of NFS under Linux development, interoperability, and testing. List-Unsubscribe: , List-Archive: On Thu, 2003-11-27 at 16:30, Trond Myklebust wrote: > >>>>> " " == Douglas Furlong writes: > > > Good day all. I am running in to excessive amounts of NFS > > errors as below. > > > kernel: nfs: server neon not responding, still trying kernel: > > nfs: server neon OK > > Two suggestions: > > 1) Bump the number of threads on the server. 32 is probably a bit > low. I have upped this to 64 now. Is there a rule of thumb with regards to the number of people connecting/amount of system resources? > 2) The value retrans=3 used as the default by the Linux 'mount' > program is rather low compared to that used on other OSes. I > suggest you bump it to at least 5 on all your clients. I have increased the retrans value to 10 now. This appears to have resolved the problems to a greater extent. What sort of things would be causing the client to have to re-transmit so often? Client rpc stats: calls retrans authrefrsh 3431978 15968 0 Those retrans numbers, as a percentage of the calls, does it seem appropriate? Thanks for the tips. Doug ------------------------------------------------------- This SF.net email is sponsored by: SF.net Giveback Program. Does SourceForge.net help you be more productive? Does it help you create better code? SHARE THE LOVE, and help us help YOU! Click Here: http://sourceforge.net/donate/ _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs