Hi!

I'm in the process of recovering data from a Nas with 2 hdd in raid 1.
Both disks are defective (nas has fallen on the floor while powered on ...). I successfully dumped one of the disks to a new one, but with a lot of bad sectors.
I was wondering, if I copy the second disk to the same target again, will it leave the target untouched when it encounters bad sectors on the source ? Or will it empty them on the target ?

The idea is trying to get most of the datas from both drives.

For short, if I do a copy of the second failed drive on the target, will it allow me to recover data when there was a bad sector in a particular place on disk 1 and there is none on disk 2 ? Or will it erase the target when bad sectors are encountered ?

Thanks

You need to clone both drives to 2 good working drives & then create a virtual mirror in R-Studio. Add the cloned drives (not the originals) & then try to recover data using the software.

http://www.data-recovery-software.net/


Loki

+1

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Well, this is a LaCie NAS, so datas are on XFS partition.
As I have recorded the LBAs of the bad sectors, I'll try to sort it out by myself using linux's dd and a custom script.
For now I don't have a 2nd new drive to clone the 2nd drive (I'm out of 2 TB HDDs ..)

Thanks for the hint anyway

Or maybe I'll give ddrescue a chance to work by itself

UFS Explorer RAID Recovery http://www.ufsexplorer.com/download_stdrr.php


Loki

Mdadm works well with these LaCie NAS's.... If you're already using Linux, then give it a try - but get a good clone of both drives first and work with those.

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East Anglian Data Recovery Services
http://www.eadr.co.uk

"If it's your only copy - then it's not a backup!"

Thanks for hints, I'll keep you updated with my progresses