From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roman Mamedov Subject: Re: How to backup of large md raid volumes? Date: Fri, 19 May 2017 10:01:42 +0500 Message-ID: <20170519100142.1f034b82@natsu> References: <442a4af0-00d2-853d-5294-84ae0353262b@gmail.com> <75dc802b-1572-3c6f-ed62-4333deece4c2@websitemanagers.com.au> <8b840e53-1be2-b1b5-632f-e75f0c6c53b7@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <8b840e53-1be2-b1b5-632f-e75f0c6c53b7@gmail.com> Sender: linux-raid-owner@vger.kernel.org To: Ram Ramesh Cc: Adam Goryachev , Linux Raid List-Id: linux-raid.ids On Thu, 18 May 2017 22:39:59 -0500 Ram Ramesh wrote: > Here is a summary of what I like to do. I want to backup files on to > (multiple) disks that will be loaded on to a USB dock. Simple one to one > copy is all I am looking for. I am not interested in full vs. > incremental or keeping versions of files for restore. My data is just > movies and songs. All I want is a SW that understands links (to avoid > duplicates) and copy files in batch on to multiple disks. I want content > of each (backup) disk to be independent. This way if one backup disk > dies, I have all other files unaffected by this failure. The only reason > I did not try multi-volume tar is the lack of independence across disks. What I'm doing is storing files on my primary storage in folders according to where they are backed up to. E.g. "[back up of this is to be stored] On USB disk A", "B", etc. In your case that would be: /storage/OnDiskA/Movies/...... /storage/OnDiskA/Music/...... /storage/OnDiskB/Movies/...... -- With respect, Roman