From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [ANNOUNCE] Sheepdog: Distributed Storage System for KVM Date: Sun, 25 Oct 2009 07:36:48 +0200 Message-ID: <4AE3E3F0.3020606@redhat.com> References: <4AE07A7F.8000002@redhat.com> <8fd1d76d0910230341w7978ac09te203ef34b79a86c6@mail.gmail.com> <90eb1dc70910230714h65e918a4n255bcf97634b26b0@mail.gmail.com> <20091024003756G.fujita.tomonori@lab.ntt.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: javier@guerrag.com, morita.kazutaka@lab.ntt.co.jp, kvm@vger.kernel.org, qemu-devel@nongnu.org, linux-fsdevel@vger.kernel.org To: FUJITA Tomonori Return-path: Received: from mx1.redhat.com ([209.132.183.28]:47021 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752700AbZJYFhI (ORCPT ); Sun, 25 Oct 2009 01:37:08 -0400 In-Reply-To: <20091024003756G.fujita.tomonori@lab.ntt.co.jp> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On 10/23/2009 05:40 PM, FUJITA Tomonori wrote: > On Fri, 23 Oct 2009 09:14:29 -0500 > Javier Guerra wrote: > > >>> I think that the major difference between sheepdog and cluster file >>> systems such as Google File system, pNFS, etc is the interface between >>> clients and a storage system. >>> >> note that GFS is "Global File System" (written by Sistina (the same >> folks from LVM) and bought by RedHat). Google Filesystem is a >> different thing, and ironically the client/storage interface is a >> little more like sheepdog and unlike a regular cluster filesystem. >> > Hmm, Avi referred to Global File System? I wasn't sure. 'GFS' is > ambiguous. Anyway, Global File System is a SAN file system. It's > a completely different architecture from Sheepdog. > I did, and yes, it is completely different since you don't require central storage. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.