Synology
From Blue-IT.org Wiki
Mount RAID array of disks with mdadm
Proven to work:
1. Installed Ubuntu 11.10 (also tried with latest version 12.xx)into some spare SATA-drive. No updates needed to be installed. PC must have Internet connection. 2. Attached drive from DS411 which was configured as RAID-1 mirror into Ubuntu PC and booted up. 3. At "Dash Home" search 'disk utility' ans start it to see that attached drive exist and is visible in Linux. 4. Install 'Logical Volume Management' software from "Ubuntu Software Center" 5. Install 'mdadm'. At "Dash Home" search 'terminal' and start it. In terminal type: sudo apt-get install mdadm 6. mdadm installation on first pop-up press 'tab' to get cursor on 'OK' and hit enter, for email configuration choose 'no configuration' 7. After installation is complete type: sudo mdadm --assemble --scan After this command your attached Raid-1 mirror half should be visible on 'disk utility'-software. 8. On disk utility, find selection on attached drive 'start volume group' after all volumes and array should be running, if not try to start volumes separately. 9. Select volume where data is stored (biggest one) and below that click on 'mount' 10. Open 'home folder' attached Raid-1 mirror half should be visible and data can be accessed and copied to other locations.