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[drusso66]

I am having a complete nightmare, with my DNS 345, I accidentally formatted one of my 2tb drives it was setup a s standard type without raid with about 1tb of precious data (i Know i should have backed up 1st)
I canceled the format at 2% as i had realised what i was doing, i have pulled it out of the Nas before i do any other damage.
What i would hope to do is connect it to my windows 8 PC and try and recover my data i know there are tools to mount EXt4 drives in windows i have one called ExFs by Paragon, but not sure of procedure and  which program to use to recover the data.
Note: because i stopped it a just 2% would it be best to try and format again in my Nas as new drive then try and recover or to try a recover in its present state with an uncomplete format.
Any links or advice would be appreciated

[drusso66]

I have managed to mount the drive in Windows using Paragon ExtFS for windows and the info i get is as follows:

Disk 1863.01 Gb

Partition  0.50 GB Swap Patition

(Q:)  1.00 Gb Linux File System

Partition(I:)  1860.51 Gb Basic Data Partition

Partition(K:)   1.00 Gb Basic Data Partition

Now not sure what is best program to recover the data from this drive, please any help would be appreciated

[drusso66]

This is a pic of the EXt4 drive mounted, i am the only person replying to my own post
http://s26.postimg.org/5a6swy0tl/Ext4_drive.jpg

[JavaLawyer]

DNS-345 - Data Recovery (Windows PCs)

[ivan]

drusso, this is where it tends to get rather expensive.

Because you started to format the drive the data structure is destroyed so the first thing you should do is make a sector image of that drive to work on.

Once you have the image you then have to try and reconstruct the missing data structure and hope that it isn't too damaged.  It is not a job for the feint heart or those without experience of disk formatting structures.

The safest thing, if you don't have a backup of your data and it is irreplaceable, is to take the disk to a data recovery specialist and pay to have it recovered.  We have had to do that for a client - once - the invoice was enough to convince them to put a proper backup strategy in place which has served them very well for the past three years.

You could try and do it yourself but be prepared for failure and count anything you manage to recover as a success.

The third thing is to cut your losses, format the disk and start again - not the best option if your data is irreplaceable.

Which ever way you chose please do yourself a kindness and make backups - and test they restore - for the future.
 

[JavaLawyer]

. . . Which ever way you chose please do yourself a kindness and make backups - and test they restore - for the future.

I concur wholeheartedly. This approach will cost more money up front, but you'll sleep better knowing your critical data is secure and will save both time and money down the line if/when things go wrong.