From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sitsofe Wheeler Subject: Re: bdar: efficiently backup allocated bytes in file systems Date: Tue, 18 Mar 2008 07:47:10 +0000 (UTC) Message-ID: References: <47DF1737.2050700@zabbo.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit To: linux-fsdevel@vger.kernel.org Return-path: Received: from main.gmane.org ([80.91.229.2]:33111 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756046AbYCSUUW (ORCPT ); Wed, 19 Mar 2008 16:20:22 -0400 Received: from root by ciao.gmane.org with local (Exim 4.43) id 1JbtlG-0001BZ-Jr for linux-fsdevel@vger.kernel.org; Wed, 19 Mar 2008 08:35:02 +0000 Received: from cpc3-cwma2-0-0-cust739.swan.cable.ntl.com ([81.96.206.228]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 19 Mar 2008 08:35:02 +0000 Received: from sitsofe by cpc3-cwma2-0-0-cust739.swan.cable.ntl.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 19 Mar 2008 08:35:02 +0000 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Mon, 17 Mar 2008 18:13:27 -0700, Zach Brown wrote: > The bdar file format is just a header and then a series of regions of > bytes described by their length and offset. To create a bdar file from > a file system bdar needs to know enough to figure out what extents are > referenced. Restoring a bdar is generic, though, it just stamps bytes > into the target file. Is it possible to also make it write files out in partimage ( http://www.partimage.org/Main_Page ) format or will this slow it down too much? -- Sitsofe | http://sucs.org/~sits/