From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dieter Kasper Subject: send/receive feature to determine the difference between snapshots Date: Mon, 6 Aug 2012 09:24:10 +0200 Message-ID: <20120806072410.GA27179@oder.kd-bie.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from smtpa1.mediabeam.com ([194.25.41.13]:55575 "EHLO smtpa2.mediabeam.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752714Ab2HFHY5 (ORCPT ); Mon, 6 Aug 2012 03:24:57 -0400 Content-Disposition: inline Sender: ceph-devel-owner@vger.kernel.org List-ID: To: "ceph-devel@vger.kernel.org" Cc: "Dieter Kasper (KD)" @All, I just read about a "send/receive feature in Kernel-3.6 for btrfs which can be used by backup solutions to determine the difference between snapshots" http://www.h-online.com/open/news/item/First-release-candidate-of-Linux-kernel-version-3-6-1659576.html http://lwn.net/Articles/506244/ This is a very efficient interface for backup tools, especially for large Cluster File Systems! Can we put it on the feature list for Ceph-FS ? Best Regards, -Dieter