Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx2.netapp.com ([216.240.18.37]:46079 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752578Ab1KDOJn convert rfc822-to-8bit (ORCPT ); Fri, 4 Nov 2011 10:09:43 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Subject: RE: [BUG?] Maybe NFS bug since 2.6.37 on SPARC64 Date: Fri, 4 Nov 2011 07:09:41 -0700 Message-ID: <2E1EB2CF9ED1CB4AA966F0EB76EAB4430BFA9256@SACMVEXC2-PRD.hq.netapp.com> In-Reply-To: <01668DEE-43F7-464B-9BCF-6E52DF0B5956@oracle.com> References: <1320349396.90614.YahooMailNeo@web24707.mail.ird.yahoo.com> <1320353685.18396.119.camel@lade.trondhjem.org> <20111103211100.GA8393@umich.edu> <1320356241.80563.YahooMailNeo@web24706.mail.ird.yahoo.com> <92DF2E31-FABF-40A5-8F78-89B64363568B@oracle.com> <1320361764.48851.YahooMailNeo@web24708.mail.ird.yahoo.com> <39983D1A-70A8-49A1-A4E2-926637780F75@oracle.com> <1320399858.11675.YahooMailNeo@web24703.mail.ird.yahoo.com> <20111104132050.GB13788@umich.edu> <01668DEE-43F7-464B-9BCF-6E52DF0B5956@oracle.com> From: "Myklebust, Trond" To: "Chuck Lever" , "Jim Rees" Cc: "Lukas Razik" , "Linux NFS Mailing List" Sender: linux-nfs-owner@vger.kernel.org List-ID: > -----Original Message----- > From: Chuck Lever [mailto:chuck.lever@oracle.com] > Sent: Friday, November 04, 2011 10:02 AM > To: Jim Rees > Cc: Lukas Razik; Myklebust, Trond; Linux NFS Mailing List > Subject: Re: [BUG?] Maybe NFS bug since 2.6.37 on SPARC64 > > > On Nov 4, 2011, at 9:20 AM, Jim Rees wrote: > > As we move toward nfs4 someone will have to give some thought to > nfsroot. > > It's hard to imagine we could put enough nfs4 cruft into the kernel > > (gssd, > > idmapd) to make it work. > > A kernel-level basic id mapper is being considered. That would allow NFSv4 > with AUTH_SYS, if we can get the NIC problems squared away. We already have a solution for NFSv4 and nfsroot: use auth_sys and set the nfs4_disable_idmapping flag. That does require an rfc3530-bis compatible server, but it shouldn't be long before we see those appearing in the wild... Trond