Overwrote Header When Mirroring HDD

nine11

Honorable
May 20, 2013
2
0
10,510
I have an Level One NAS with 2 x 1 TB HDDs. I only use Disk 1 which had 120Gb of data. I thought I would mirror the disk so I could back the data up. I selected RAID 1 and my data on Disk 1 disappeared. I think Disk 1 was formatted with NTFS. Has the RAID 1 toggle reformatted the whole drive, or just the partition? Has it created a new header or over written the original header. Can I retrieve the old partition? None of the recovery programs seem to recover the partition. Help appreciated..
 
Solution
A lot of NAS boxes have embedded Linux servers with Linux file systems (ext2 / ext3 / ext4). You could try R-Studio for Linux or UFS Explorer (both commercial), or you could see if Linux Reader for Windows (freeware) can read your data. You would need to install the drive inside your PC, though, or in a USB enclosure.
A lot of NAS boxes have embedded Linux servers with Linux file systems (ext2 / ext3 / ext4). You could try R-Studio for Linux or UFS Explorer (both commercial), or you could see if Linux Reader for Windows (freeware) can read your data. You would need to install the drive inside your PC, though, or in a USB enclosure.
 
Solution

nine11

Honorable
May 20, 2013
2
0
10,510
Thanks for the suggestion. I confirmed with Level One support technician, they said I have formatted the disc. You are correct it is a Linux system format that the NAS has used. I hope the Linux recovery works better than one designed for Windows. I am not sure of the different between FAT and Linux disc format structure. I guess both systems allocate an area for the file headers/pointers.
I have tried EaseUS recovery but it merely puts all the data as renamed files on directories according to type. With over 50,000 files and no date stamping in the recovered file it would be nearly impossible to find the files not recovered since my last back up.
I am also trying testdisk_win and DiskInternals now. I will let everybody know how these work on restoring the partition/header.
 

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