Return-Path: Received: from e8.ny.us.ibm.com ([32.97.182.138]:46397 "EHLO e8.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753536Ab1HCPnG (ORCPT ); Wed, 3 Aug 2011 11:43:06 -0400 Received: from d01relay06.pok.ibm.com (d01relay06.pok.ibm.com [9.56.227.116]) by e8.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id p73FU392023693 for ; Wed, 3 Aug 2011 11:30:04 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay06.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id p73Fh5CD1527826 for ; Wed, 3 Aug 2011 11:43:05 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id p73Fh414031641 for ; Wed, 3 Aug 2011 11:43:04 -0400 Received: from malahal ([9.47.25.235]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id p73Fh4jd031615 for ; Wed, 3 Aug 2011 11:43:04 -0400 Date: Wed, 3 Aug 2011 08:43:03 -0700 From: Malahal Naineni To: linux-nfs@vger.kernel.org Subject: Re: State of NFSv4 VolatileFilehandles Message-ID: <20110803154303.GA11165@us.ibm.com> References: <4E37E66D.90102@linux.vnet.ibm.com> <45F4FC20-ED44-4430-A5A9-E06459A194F3@oracle.com> <4E38F894.4070003@linux.vnet.ibm.com> Content-Type: text/plain; charset=us-ascii In-Reply-To: <4E38F894.4070003@linux.vnet.ibm.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Venkateswararao Jujjuri [jvrao@linux.vnet.ibm.com] wrote: > >I think we are avoiding volatile file handles as long as possible. We don't have plans to implement them at the moment. > Hrm. How can we achieve the complete migration support without > volatile filehandle support? If you can generate persistent file handles that don't include server specific information (maybe a bit hard, but not impossible), migration can be done. Maybe that is what Chuck is talking about.