Knowledgebase: General
How to extract data from a hard drive (single) of my failed NAS by using a PC?
Posted by Jack Ni on 04 July 2014 05:01 AM

Please follow the steps below.

1. Power off the NAS.

2. Pull out a hard drive (single).

3. Attached your HDD to your PC whether inserting it into a hard drive slot or using a hard drive enclosure.

4. Visit below link to download the Ubuntu Desktop (Linux Live CD)

5. Visit below link to download the program which helps you create bootable Live USB drives for Linux distribution without burning a CD. (PLEASE NOTE THAT ALL THE DATA ON THE USB DRIVE WILL BE ERASED AFTERWARDS.)

6. Reboot your computer and then set the USB drive as first boot device.

7. After boot into the USB drive (which has Ubuntu Desktop installed by step 5), click the top icon on the left hand side bar. And then search “Terminal”


8. Click “Terminal” -> pop up a window -> Key in “sudo -i”


9. Install "mdadm."

  Key in "sudo -i" -> Key in "apt-get install mdadm"


10. Use "Tab" to move the cursor to OK


11. Select "No configuration"


12. Install "lvm2."

     Key in "sudo -i" -> Key in "apt-get install lvm2"


13. Mount the NAS drive.

      Key in "mdadm -Asf && vgchange -ay"


14. You can see the drive has been mount shown as below .


15.Click on the icon circled in above picture and then you will be able to access your data afterwards.


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