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I accidentally deleted all my photos from the internal memory. I need a software  to recover all the raw (dng) photos from the internal memory.

Does anybody know a way to do this? Recovery software does not see the internal memory. Can I mount It properly to do so? 

What Is the best software to recover dng files? Best if free without a limit but I would also pay a fair price.

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It may be worth reaching out to Leica directly. As you say, you’ll need a way to mount it and I don’t know of a way to do that. Others may know of a way but until you find out for sure, make sure to insert an SD card if you need to shoot and only shoot to it and not internal memory.  

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Which OS are you using? I've read anecdotally that it's possible to mount the M11 as external storage using PTP and Linux - then you might have a chance with some Linux tools. I don't think it's possible with either Mac or Windows though. 

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vor 6 Stunden schrieb DigitalHeMan:

Which OS are you using? I've read anecdotally that it's possible to mount the M11 as external storage using PTP and Linux - then you might have a chance with some Linux tools.

mounting the camera SSD as an 'external disk' via PTP works fine with Linux as long as your M11 exports the internal storage as regular filesystem mounted on the camera OS (supposedly an embedded linux system in itself).  however deleted files on the internal storage may only be visible unmounted to private tools of the camera OS itself - or, perhaps, if we are lucky, in case there is an external USB-based way to access the unmounted SSD partition, via protocols we don't know about.  i assume Leica must have simple in-house USB-based solutions ready for such scenarios, i just don't know how available is such to the community as a payable 'service', for lots of kesef obviously...

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I deleted files from an external SSD recently, followed by writing one small file back to it. The deleted files were unrecoverable. In my desperate research and consultation with commercial specialists, I learned that solid state drives, including SD cards, are extremely difficult if not impossible to recover from, because the data storage is dynamically managed: deleting a file usually means the storage location is automatically erased, unlike a spinning disk where the data is left intact, even if its entry in the File Allocation Table (FAT) is marked as deleted.

It's possible the M11 internal storage is managed differently, but I would be pessimistic.

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Posted (edited)

When it is mounted via PTP or MTP, it is not mounted as block device. In that case, recovery tools will not have the required (low) level of file system access.

If you find no way to mount it as a block device, propably only Leica (or someone else who can disassemble the camera) will be able to recover deleted files with a certain chance.

Edited by 3D-Kraft.com
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8 minutes ago, LocalHero1953 said:

I deleted files from an external SSD recently, followed by writing one small file back to it. The deleted files were unrecoverable. In my desperate research and consultation with commercial specialists, I learned that solid state drives, including SD cards, are extremely difficult if not impossible to recover from, because the data storage is dynamically managed: deleting a file usually means the storage location is automatically erased, unlike a spinning disk where the data is left intact, even if its entry in the File Allocation Table (FAT) is marked as deleted.

It's possible the M11 internal storage is managed differently, but I would be pessimistic.

I have deleted photos from SD cards with later desire to recover deleted files. Those were deleted via cameras GUI, non Leica ones.

It took time and effort to Google, try and understand. But I did recovered deleted photos from SD cards via free software.

I think "specialist" was just politely sending you to Coventry. Because this process is too much of the monkey business, from my non-commercial experience :) 

https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/How-do-I-recover-photos-deleted-from-the-memory-card/td-p/8409

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14 minutes ago, LocalHero1953 said:

I deleted files from an external SSD recently, followed by writing one small file back to it. The deleted files were unrecoverable. In my desperate research and consultation with commercial specialists, I learned that solid state drives, including SD cards, are extremely difficult if not impossible to recover from, because the data storage is dynamically managed: deleting a file usually means the storage location is automatically erased, unlike a spinning disk where the data is left intact, even if its entry in the File Allocation Table (FAT) is marked as deleted.

It's possible the M11 internal storage is managed differently, but I would be pessimistic.

Whilst that's generally accurate when you're referring to external SSDs connected via a SATA or NVMe connector due to a feature known as TRIM - essentially deleting and preparing the unused blocks for future use - cameras and similar devices don't use TRIM for device simplicity purposes, and lack of need - that's why the SanDisk RescuePro software can do a pretty good job with SD cards.

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1 minute ago, DigitalHeMan said:

Whilst that's generally accurate when you're referring to external SSDs connected via a SATA or NVMe connector due to a feature known as TRIM - essentially deleting and preparing the unused blocks for future use - cameras and similar devices don't use TRIM for device simplicity purposes, and lack of need - that's why the SanDisk RescuePro software can do a pretty good job with SD cards.

I'm happy to be corrected

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5 minutes ago, 3D-Kraft.com said:

When it is mounted via PTP or MTP, it is not mounted as block device. In that case, recovery tools will not have the required level of access.

If you find no way to mount it as a block device, propably only Leica (or someone else who can disassemble the camera) will be able to recover deleted files with a certain chance.

With Windows and MacOS this is correct, there are various Linux projects though which enable PTP to be mounted as a regular file system, at which point all standard tools could be used. ptpfs is one example. I haven't tried it, but it looks like it might offer a way

https://www.dankulp.com/ptpfs/

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3 minutes ago, DigitalHeMan said:

With Windows and MacOS this is correct, there are various Linux projects though which enable PTP to be mounted as a regular file system, at which point all standard tools could be used. ptpfs is one example. I haven't tried it, but it looks like it might offer a way

https://www.dankulp.com/ptpfs/

Just to add, of course trying this would be completely at your own risk - could end up corrupting storage or bricking the camera......

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vor einer Stunde schrieb DigitalHeMan:

With Windows and MacOS this is correct, there are various Linux projects though which enable PTP to be mounted as a regular file system, at which point all standard tools could be used. ptpfs is one example. I haven't tried it, but it looks like it might offer a way

https://www.dankulp.com/ptpfs/

No, it only offers you further high-level file system commands like ls, cd, mkdir etc. You will still not get access on block level as it is not provided from camera side but would be required to scan for data, not allocated to files anymore.

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I am no expert but from what I have experienced getting deleted files from an SSD is difficult at best. I have had good luck with Sandisk Recovery, but never with an SSD.

 

Good luck.

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My communications with Leica about the failed M11D SSD brought, in passing, a remark that they do not recover deleted files.  So I'd not delete anything until you're absolutely positive.  Also have the background transfer to device on at all times and ensure you are getting the files over before deleting.  Or use backup to card.  Or better just the card.  Fortunately I'm rid of the M11 internal memory now.  On the other hand, I never had any problems with the X2D and its 1TB of internal memory.

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I think that you are completely right. Leica probably gave the camera internal memory in lieu of a second card slot through lack of space. It is in general wisest to use the second card as backup (Card1=card2). Cards can fail (fortunately rarely) and this is extra security. Leica should address this topic in the user manual.

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Posted (edited)

That is how I treat internal memory, a backup to the card in case I ever have a card failure.  I don't delete the images from internal memory until the card has been read and the image is in my catalog and backed up.

But then I've never left home forgetting to insert a memory card into camera. I understand that not everyone can say that.

Edited by marchyman
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