Return-Path: linux-nfs-owner@vger.kernel.org Received: from aa.linuxbox.com ([69.128.83.226]:4657 "EHLO aa.linuxbox.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752248Ab3JCNAP (ORCPT ); Thu, 3 Oct 2013 09:00:15 -0400 Date: Thu, 3 Oct 2013 08:58:08 -0400 (EDT) From: "Matt W. Benjamin" To: Christoph Hellwig Cc: "J. Bruce Fields" , linux-nfs@vger.kernel.org, Benny Halevy Message-ID: <592699116.20.1380805088543.JavaMail.root@thunderbeast.private.linuxbox.com> In-Reply-To: <1588761701.18.1380804942396.JavaMail.root@thunderbeast.private.linuxbox.com> Subject: Re: [PATCH RFC v0 05/49] pnfsd: introduce pnfsd header files MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: Hi, I think saying exofs is a proof of concept/toy is missing the point. Exofs is an implementation baseline that provides insight into the scalability/performance values that a pnfs implementation can achieve, and potentially how to achieve them. Matt ----- "Christoph Hellwig" wrote: > On Thu, Oct 03, 2013 at 03:29:06PM +0300, Benny Halevy wrote: > > I picked gfs2 as the initial use case for simplicity and ease of > review. > > If there is a rough consensus that it's useless and not worthy of > inclusion > > then the one we care about the most is exofs that has a more > complete pnfs > > implementation. > > This was in reference to file layout implementation details, so exofs > isn't a contender there. > > As far as exofs is concerned a pnfs implementation based on it has > just > as much toy status as the current gfs2 one. While the pnfs side of > it > might as well be a lot better, a filesystem that lacks all the > integrity > and scalability features developed in the last 30 years can't be > considered more than a proof of concept. > > -- > 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 -- Matt Benjamin The Linux Box 206 South Fifth Ave. Suite 150 Ann Arbor, MI 48104 http://linuxbox.com tel. 734-761-4689 fax. 734-769-8938 cel. 734-216-5309