From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Chuck Lever" Subject: Re: Massive NFS problems on large cluster with large number of mounts Date: Thu, 17 Jul 2008 11:11:25 -0400 Message-ID: <76bd70e30807170811s78175c0ep3a52da7c0ef95fc6@mail.gmail.com> References: <4869E8AB.4060905@aei.mpg.de> <20080701182250.GB21807@fieldses.org> <486B89F5.9000109@aei.mpg.de> <20080702203130.GA24850@fieldses.org> <1215032676.7087.30.camel@localhost> <487DC43F.8040408@aei.mpg.de> <20080716190658.GF20298@fieldses.org> <76bd70e30807170747r31af3280icf0bd3fdbde17bac@mail.gmail.com> <20080717144852.GA11759@fieldses.org> Reply-To: chucklever@gmail.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: "Carsten Aulbert" , "Trond Myklebust" , linux-nfs@vger.kernel.org, "Henning Fehrmann" , "Steffen Grunewald" To: "J. Bruce Fields" Return-path: Received: from yx-out-2324.google.com ([74.125.44.29]:53845 "EHLO yx-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753044AbYGQPL1 (ORCPT ); Thu, 17 Jul 2008 11:11:27 -0400 Received: by yx-out-2324.google.com with SMTP id 8so1960789yxm.1 for ; Thu, 17 Jul 2008 08:11:26 -0700 (PDT) In-Reply-To: <20080717144852.GA11759@fieldses.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Thu, Jul 17, 2008 at 10:48 AM, J. Bruce Fields wrote: > On Thu, Jul 17, 2008 at 10:47:25AM -0400, Chuck Lever wrote: >> On Wed, Jul 16, 2008 at 3:06 PM, J. Bruce Fields wrote: >> > The immediate problem seems like a kernel bug to me--it seems to me that >> > the calls to local daemons should be ignoring {min_,max}_resvport. (Or >> > is there some way the daemons can still know that those calls come from >> > the local kernel?) >> >> I tend to agree. The rpcbind client (at least) does specifically >> require a privileged port, so a large min/max port range would be out >> of the question for those rpc_clients. > > Any chance I could talk you into doing a patch for that? I can look at it when I get back next week. -- "Alright guard, begin the unnecessarily slow-moving dipping mechanism." --Dr. Evil