Seen here on the QNAP support forum. Try to access your NAS via SSH On a Mac open up Terminal. ssh admin@192.168.0.6 [change the IP Address to suit] Use your password Type the following commands: (The output of these commands should tell you what is actually happening.) df -h cat /proc/mdstat dmesg | tail -n 50

If you receive the following error message from your QNAP NAS: The file system is not clean. It is suggested that you run “check disk” and a disk check is failed with that message: [Mirror Disk Volume: Drive 2 3 4 1] Examination failed (Cannot unmount disk). ssh your qnap and do the following: If  Full Article…

This was a nightmare when the TS-410 went down. I currently don’t know what has happened. This post contains links to articles which have shed more light on the issues I believe I’m dealing with. Taken from support documents created by QNAP Taiwan: http://qnapsupport.net/?s=raid+inactive http://qnapsupport.net/?page_id=1870 http://qnapsupport.net/?page_id=1875 Taken from the QNAP support forums: http://forum.qnap.com/viewtopic.php?p=280817 http://forum.qnap.com/viewtopic.php?t=1921 Useful ssh commands:  Full Article…