From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Priebe - Profihost AG Subject: Re: incremental rbd export / sparse files? Date: Fri, 23 Nov 2012 09:03:59 +0100 Message-ID: <50AF2DEF.6080109@profihost.ag> References: <50AE062E.5020301@profihost.ag> <24E144B8C0207547AD09C467A8259F755782F690@lisa.maurer-it.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail.profihost.ag ([85.158.179.208]:56790 "EHLO mail.profihost.ag" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030213Ab2KWIEJ (ORCPT ); Fri, 23 Nov 2012 03:04:09 -0500 In-Reply-To: <24E144B8C0207547AD09C467A8259F755782F690@lisa.maurer-it.com> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Dietmar Maurer Cc: Sage Weil , "ceph-devel@vger.kernel.org" Am 23.11.2012 07:23, schrieb Dietmar Maurer: >> Step 2 is to export the incremental changes. The hangup there is figuring out >> a generic and portable file format to represent those incremental changes; >> we'd rather not invent something ourselves that is ceph-specific. >> Suggestions welcome! > > AFAIK, both 'zfs' and 'btrfs' already have such format. I think zfs could be problematic again with their licenses? If not i would prefer that one as it is proven and stable. Greets, Stefan