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Help recovering EXT2 formatted disks

896 Views 5 Replies 2 Participants Last post by  Alt-rtt
Hi I'm new here and I have done something really stupid. In an attempt to test the performance of a couple of drives on my Debian server I ran the following commands....
dd if=/dev/zero of=/dev/sda bs=1000000 count=512 dd if=/dev/zero of=/dev/sdb bs=1000000 count=512 dd if=/dev/zero of=/dev/sdc bs=1000000 count=512 ...not very smart since this wiped out the first 512mB on each of the drives.
I have managed to recover most of the data on the sda drive using Stellar Phoenix Linux recovery but I have problems with the other two
sdb: This is a 1,5TB Western Digital WD15EARS with GPT if I'm correct and EXT2
I guess I need to try and recreate the GPT tables to recover it?
Stellar finds nothing on it...

sdc: This is a 2TB WD20EARS with a normal primary partition and EXT2 fs
Trying to scan this disk with SP Linux recovery the software crashes.

I have had these up with Stellar Phoenix support and after some emails back and forth they said I needed to send both drives to them for diagnostics.

I have access to r-studio 4.2 at work could this maybe to the trick? I'm a bit of a noob when it comes to hard drives so I need all the help I can get.
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That's a lite version of r-studio if I understand it correctly and r-studio didn't manage to find much more then the meta files on one disk and on the GPT disk it didn't find anything...
Then search for file signatures (or scan for known file types, as R-Studio/R-Linux terms that) may be the only option left.
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