From: Asdo Subject: Filesystem freeze vs blockdevice snapshot Date: Fri, 13 Jan 2012 16:30:53 +0100 Message-ID: <4F104E2D.3080105@shiftmail.org> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=UTF-8 Content-Transfer-Encoding: 7bit To: Asdo , linux-ext4@vger.kernel.org Return-path: Received: from blade3.isti.cnr.it ([194.119.192.19]:3305 "EHLO blade3.isti.cnr.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752906Ab2AMUAM (ORCPT ); Fri, 13 Jan 2012 15:00:12 -0500 Received: from [192.168.1.112] ([155.253.6.254]) by mx.isti.cnr.it (PMDF V6.6 #31988) with ESMTPSA id <01OAQUA5UHXQGH34JO@mx.isti.cnr.it> for linux-ext4@vger.kernel.org; Fri, 13 Jan 2012 16:30:37 +0100 (MET) Sender: linux-ext4-owner@vger.kernel.org List-ID: Hello all, please excuse the silly question... What is the benefit of performing an ext4 fs freeze before taking a snapshot of the underlying block device with LVM2 ? Is the freeze step useful or I can go with the snapshot directly? And/or is there another use case for the freeze? Thank you