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 Post subject: DMDE recover | MFT errors | suspicious docking station
PostPosted: November 28th, 2024, 11:14 
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Joined: November 28th, 2024, 10:40
Posts: 4
Location: Czech Republic
Dear all,
this is my first post, then HELLO EVERYBODY! :wink:

I have a problem with at least two drives, but let me quickly tell the story.

I'm a filmaker and I keep a backup archive of my works. In the last 12 years I collected more than 40 drives (some 4TB and most of them 8TB, all of them internsal SATA units). I always used these backup drives with a USB 3.0 docking station (TOOQ), for copying all the files. As you can imagine, once the data was copied that, the drive has almost never used. All the disks have been kept in safe drive cases.

A few weeks ago I had to buy a new USB docking station (SALCAR). After a few days the drive I'm currently using for backing up some files suddenly stopped working. I mean, after switching on the docking station, Windows didn't recognize the drive and asked for formatting. As many people already experienced here, the drive was in RAW format.

Obviously I didn't format and I used MiniTool Data Power Recovery (bought a few years ago because it was the only app that could recover an entire SD card corrupted by a camera). But unfortunaly this time I didn't have success.

Then I discovered DMDE. I tried the free version and I could see the original partition/volume and, after buying the licensed version, I could recover all the files.

Happy end. Well... no.

A few days later ANOTHER DRIVE broke again!! :abuse: :abuse: :abuse:

And here start the real two topics of this post.

1) BAD DOCKING STATION
As I said I've been using the same USB 3.0 docking station since 12 years ago (more precisely I used 3/4, but the same brand and model), and I never had any issue with a drive. Now I changed and... tada! In a few days two drives broke. That's can't be a coincidence. So, what do you think about this? I read somewhere that every docking station "manages" the sector size (or something like that...) in a different way; and it's probable if you had formatted the drive with a station and then mount the drive on another, you could have the disk corrupted. I don't know if that's true... but what it's true both the broke drives were formatted on the "old and good" station and broke while using on the "new&bad" one.

2) THIS SECOND DRIVE RECOVER
First of all I bought a new docking station (UGREEN): I couldn't use the "old and good" one (TOOQ), cause it's working on another computer to backup 20TB.
On this second broken drive I directly moved to DMDE. After selecting the phisical drive on the pop-up screen, I immediately saw the original partition and I could directly "Open Volume" (without any scan). What I saw here was quite weird: part of the files/folders were there, but many of them were missing. And, in the same time, I had a lot of weird folders (all of them named like: $F00092, $F00060...) which were apparently containing all the missing files/folders.

The only errors I got were during the opening of the Volume, where the software detected 10 MFT errors. These:
924-927
12440-12440
38916-38916
39364-39368
39548-39551
42612-42612
42804-42807
45104-45104
47828-47831
62412-62412

Yesterday I started to recover on a new drive all the folders and after 24 hours it only did 12%. It should be done in about one week (it's a 8TB drive, almost full with a lot of files, small and big). And when this process will be done I'll have to move and rename most of the content of the drive for re-creating the original file/folder structure.

So, my questions are:

- did I do the best way to recover the drive?
- is this slow speed correct? The task manager said the source drive read speed is about 40MB/s (both drive are in the same docking station).

What else?... if I finally will recover all the files I could stand the 7/8 days of work. But I have a feeling maybe there could be another way to magically have the partition back visible.

Thank you for your help!


Miki


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 Post subject: Re: DMDE recover | MFT errors | suspicious docking station
PostPosted: November 28th, 2024, 18:29 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
Show us a SMART report:

https://www.reddit.com/r/datarecoverysoftware/wiki/index/smart/

Can you tell us which USB-SATA bridge chips your enclosures are using?

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 Post subject: Re: DMDE recover | MFT errors | suspicious docking station
PostPosted: November 28th, 2024, 19:25 
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Joined: November 28th, 2024, 10:40
Posts: 4
Location: Czech Republic
Hi there! Thx for your reply.

Here attached you have the SMART report screenshot. Regarding the chipsets, I have to investigate. I’ll post it asap.

Miki


Attachments:
IMG_4012.jpeg
IMG_4012.jpeg [ 428.92 KiB | Viewed 4310 times ]
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 Post subject: Re: DMDE recover | MFT errors | suspicious docking station
PostPosted: November 28th, 2024, 19:59 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
That drive doesn't have any reallocated, pending or uncorrectable sectors. However, there are 1645 (= 0x66D) command timeouts and 86 (=0x56) sectors which required more than 7 seconds to read.

https://t1.daumcdn.net/brunch/service/user/axm/file/zRYOdwPu3OMoKYmBOby1fEEQEbU.pdf

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 Post subject: Re: DMDE recover | MFT errors | suspicious docking station
PostPosted: November 29th, 2024, 8:14 
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Joined: November 28th, 2024, 10:40
Posts: 4
Location: Czech Republic
Thx for the comment. What does it exactly mean?

Quick update: I connected the drive to another Windows machine for going on with the DMDE recovery; and here the source drive speed is around 80/90 MB/s (using the same USB 3.0 docking station). It looks like the USB port here is faster… mah!


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 Post subject: Re: DMDE recover | MFT errors | suspicious docking station
PostPosted: November 29th, 2024, 9:29 
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Joined: May 13th, 2019, 7:50
Posts: 1150
Location: Nederland
MFT errors or MFT READ errors?

You should probably first clone this drive or use DMDE + HDDSuperClone in virtual mode.

If recovery of data has priority do that first and avoid using the suspect enclosures. If it's a SATA drive you want to go through SATA anyway and avoid "extra protocol layers" like USB.

Quote:
command timeouts and 86 (=0x56) sectors which required more than 7 seconds to read.


If you decide to ignore cloning advice, at least configure DMDE to use SCSI protocol and increase read time-out to 10 secs or so, then see if you still get MFT read errors.

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Joep - http://www.disktuna.com - video & photo repair & recovery service


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 Post subject: Re: DMDE recover | MFT errors | suspicious docking station
PostPosted: November 29th, 2024, 10:41 
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Joined: November 28th, 2024, 10:40
Posts: 4
Location: Czech Republic
Hello, thx for your help!

Yes, the data recovery has priority, that's why I started immediately. What I don't know is if there's a way to have the original folder structure back. I think the cloning process and the data recovery process have the same length, then what could make the difference would be having the original folder structure back (to avoid a lot of future work). Is there a way to achieve it?

Also, how to "...you want to go through SATA anyway and avoid "extra protocol layers" like USB."?

Thx


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 Post subject: Re: DMDE recover | MFT errors | suspicious docking station
PostPosted: December 2nd, 2024, 19:11 
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Joined: May 13th, 2019, 7:50
Posts: 1150
Location: Nederland
miki24p wrote:
Hello, thx for your help!

Yes, the data recovery has priority, that's why I started immediately. What I don't know is if there's a way to have the original folder structure back. I think the cloning process and the data recovery process have the same length, then what could make the difference would be having the original folder structure back (to avoid a lot of future work). Is there a way to achieve it?

Also, how to "...you want to go through SATA anyway and avoid "extra protocol layers" like USB."?

Thx


If you're going to question each piece of advice, and answer with more (and different) questions then it has no use continuing this.

https://www.reddit.com/r/AskADataRecove ... one_first/

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Joep - http://www.disktuna.com - video & photo repair & recovery service


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