From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id l797NOgh003815 for ; Thu, 9 Aug 2007 03:23:24 -0400 Received: from mail.streamline-computing.com (mail.streamline-computing.com [87.127.209.200]) by mx1.redhat.com (8.13.1/8.13.1) with ESMTP id l797NFmj025900 for ; Thu, 9 Aug 2007 03:23:15 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.streamline-computing.com (Postfix) with ESMTP id 35873BB33 for ; Thu, 9 Aug 2007 08:23:10 +0100 (BST) Received: from mail.streamline-computing.com ([127.0.0.1]) by localhost (mail.streamline-computing.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6jPTJSMTkhxT for ; Thu, 9 Aug 2007 08:23:07 +0100 (BST) Received: from [192.168.1.13] (unknown [212.159.87.168]) by mail.streamline-computing.com (Postfix) with ESMTP id 3A415BB31 for ; Thu, 9 Aug 2007 08:23:07 +0100 (BST) Subject: Re: [linux-lvm] Best practice: metadata backup From: John Hearns In-Reply-To: References: Date: Thu, 09 Aug 2007 08:23:54 +0100 Message-Id: <1186644244.11799.6.camel@Vigor13> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Reply-To: john.hearns@streamline-computing.com, LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii" To: LVM general discussion and development On Wed, 2007-08-08 at 15:03 -0400, Stuart D. Gathman wrote: > > I've always been interested in data storage that can recover from > disaster. I designed a database filesystem that stores a table id > in every block, so that usable tables and directories can be recovered > regardless of what portion of the filesystem is wiped out (missing records, > of course). It has saved our customers butt several times ("No, we don't > know where the backup tapes have gone...we took them offsite like you said. > You didn't say anything about bringing them back."). Something along the lines of an object-based filesystem? Great minds think alike! I do a lot of work with Panasas www.panasas.com and Lustre www.clusterfs.com Not that familiar with ZFS - anyone care to comment?