From: Dennis Nezic Subject: Re: NFS stops responding Date: Wed, 28 Apr 2010 11:51:48 -0400 Message-ID: <20100428115148.867fa084.dennisn@dennisn.dyndns.org> References: <4BC62E38.3010704@wsi.com> <20100416201700.215b0bea.dennisn@dennisn.dyndns.org> <4BCC69E4.70405@wsi.com> <20100422111907.32a1f3a5.dennisn@dennisn.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII To: linux-nfs@vger.kernel.org Return-path: Received: from lo.gmane.org ([80.91.229.12]:41682 "EHLO lo.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751796Ab0D1PwK (ORCPT ); Wed, 28 Apr 2010 11:52:10 -0400 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1O79YU-000857-4S for linux-nfs@vger.kernel.org; Wed, 28 Apr 2010 17:52:06 +0200 Received: from 66.49.167.111 ([66.49.167.111]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 28 Apr 2010 17:52:06 +0200 Received: from dennisn by 66.49.167.111 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 28 Apr 2010 17:52:06 +0200 Sender: linux-nfs-owner@vger.kernel.org List-ID: The problem still exists here :S, though noticeably less severely (with UDP). Sigh. On Thu, 22 Apr 2010 11:19:07 -0400, Dennis Nezic wrote: > 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 > > > > -- > 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 >