From: Dennis Nezic Subject: Re: NFS stops responding Date: Thu, 22 Apr 2010 11:19:07 -0400 Message-ID: <20100422111907.32a1f3a5.dennisn@dennisn.dyndns.org> References: <4BC62E38.3010704@wsi.com> <20100416201700.215b0bea.dennisn@dennisn.dyndns.org> <4BCC69E4.70405@wsi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: public-linux-nfs-u79uwXL29TY76Z2rM5mHXA-1dZseelyfdZg9hUCZPvPmw@public.gmane.org To: linux-nfs@vger.kernel.org Return-path: Received: from lo.gmane.org ([80.91.229.12]:46033 "EHLO lo.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754885Ab0DVPTX (ORCPT ); Thu, 22 Apr 2010 11:19:23 -0400 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1O4yBT-00043B-J0 for linux-nfs@vger.kernel.org; Thu, 22 Apr 2010 17:19:19 +0200 Received: from 66.49.244.26 ([66.49.244.26]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 22 Apr 2010 17:19:19 +0200 Received: from dennisn by 66.49.244.26 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 22 Apr 2010 17:19:19 +0200 In-Reply-To: <4BCC69E4.70405-kx56TfycDUc@public.gmane.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: Hrm, for me the problem seems (so far) to have gone away when I use "udp" instead of "tcp" with the nfs mount. (Maybe it was related to the tcp over tcp bad idea, http://sites.inka.de/bigred/devel/tcp-tcp.html ) And, now that I think of it, I was using "udp" originally, and only recently was forced to use "tcp" due to some bizarre error, which seems to have resolved itself. On Mon, 19 Apr 2010 10:34:12 -0400, Michael O'Donnell wrote: > Well, it's encouraging to finally get a response and even more so that > you may be seeing the same kinds of failures. I will post logging > output from /var/log/messages from the client and server machines > while the failures are occurring and maybe we can compare notes? > > > Dennis Nezic wrote: > > Well I for one am convinced there is a bug either in the linux > > kernel, or somewhere. I have a similar problem (I posted about it > > here on March 18 2010), where NFS activity very frequently hangs > > for several minutes, for no good reason. (Changing the nfs mount > > option to "hard" should get rid of the I/O Errors, but it's still > > incredibly frustrating/annoying > > -- it will simply retry after precious minutes have been wasted, > > instead of failing :b). My problems began ONLY after I upgraded my > > server's kernel. When did yours begin? > > > > I have noticed that when a client hangs, other clients still work -- > > ie. the nfs server is still (sortof) working -- so I imagine there > > is something wrong with the client too? > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" > in the body of a message to > majordomo@vger.kernel.org More majordomo info > at http://vger.kernel.org/majordomo-info.html >